Technical Service Bulletins (TSBs) for the 2015 Suburban are official communications between Chevrolet & their dealerships that describe processes for troubleshooting or fixing certain common problems.
All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns. Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. Read More »
This technical bulletin provides a procedure to reprogram the power steering control module to correct a condition of Loss of Steering Assist due to a software abnormality. Read More »
This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a pop, click, tick, snap, or itch type noise in the steering column or steering wheel when turning left or right during low ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information ... Read More »
This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. Read More »
This Preliminary information communicates a repair procedure for a squeak/squawk type noise coming from the lower column/drivers footwell area when turning. Read More »
This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of ... Read More »
This Preliminary information communicates a repair procedure for a squeak/squawk type noise coming from the lower column/drivers foot well area when turning. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »
This technical bulletin provides repair information for installing a new stabilizer shaft bracket to correct a customer concern of on a clunking noise originating from the front of the vehicle that is more predominant during turns or ... Read More »
This technical bulletin provides a procedure to reprogram the power steering control module to correct a condition of Loss of Steering Assist due to a software abnormality. Read More »
This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. Read More »
This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Read More »
This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT THE MEDIA ORIENTED SYSTEMS TRANSPORT BUS DIAGNOSTIC TOOL KIT (EL-51578) HAS BEEN RELEASED TO HELP DIAGNOSE ANY OF THE MEDIA ORIENTED SYSTEMS TRANSPORT ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have the rear vision camera system displaying "Rear Park Assist Symbols Unavailable" and the steering grid lines displayed do not ... Read More »
This Preliminary Information communication provides information to the technician for a reduced power message, steering assist, engine stall or the instrument panel, radio, and or Heater-Vent-Air Conditioning go blank with multiple ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a pop, click, tick, snap, or itch type noise in the steering column when turning left or right during low speeds or parking ... Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have a grind, pop, shudder or bind feeling/noise in the steering column when turning left or right. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have a grind, pop, shudder or bind feeling/noise in the steering column when turning left or right. Read More »
This Preliminary Information communication advises the technician that the electric steering gear and motor/module kit part numbers 23144655, 23129057, 23185536, 23191364, 23129054, 23144658, 23185542, 23191367, 23129055, 23144657, ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a pop, click, tick, snap, or itch type noise in the steering column or steering wheel when turning left or right during low ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a pop, click, tick, snap, or itch type noise in the steering column or steering wheel when turning left or right during low ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE A GRIND, POP, SHUDDER OR BIND FEELING/NOISE IN THE STEERING COLUMN WHEN TURNING LEFT OR RIGHT. Read More »
Grease or sealant visible on steering gear - should not be interpreted as leak. Some customers or technicians may comment on seeing grease or sealant on certain locations of the steering gear. Read More »
This Preliminary Information communication advises the technician that the electric steering gear and motor/module kit part numbers 23144655, 23129057, 23185536, 23191364, 23129054, 23144658, 23185542, 23191367, 23129055, 23144657, ... Read More »
This Preliminary Information communication advises the technician that the electric steering gear and motor/module kit part numbers 23144655, 23129057, 23185536, 23191364, 23129054, 23144658, 23185542, 23191367, 23129055, 23144657, ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a reduced or loss of power steering assist, steering wheel jerks or kicks back when turning, Service Stabilitrak message with ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN FOR A REDUCED POWER MESSAGE, STEERING ASSIST, ENGINE STALL OR THE INSTRUMENT PANEL, RADIO, AND OR HEATER-VENT-AIR CONDITIONING GO BLANK WITH MULTIPLE ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES WITH ONE OF THE TWO CONCERNS. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a reduced or loss of power steering assist, steering wheel jerks or kicks back when turning, Service Stabilitrak message with ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN FOR A REDUCED POWER MESSAGE, STEERING ASSIST, ENGINE STALL OR THE INSTRUMENT PANEL, RADIO, AND OR HEATER-VENT-AIR CONDITIONING GO BLANK WITH MULTIPLE ... Read More »
"THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO INSPECT THE STEERING GEAR FOR A NORMAL CONDITION OF GREASE OR SEALANT ON EXTERIOR CASE OF GEAR DUE TO THE MANUFACTURING PROCESS." Read More »
This Preliminary Information communication advises the technician that the electric steering gear and motor/module kit part numbers 23144655, 23129057, 23185536, 23191364, 23129054, 23144658, 23185542, 23191367, 23129055, 23144657, ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing ... Read More »
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns. Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing ... Read More »
This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a creak, click, pop, and or crack type noise from the front suspension or front frame area while making tight turns. Read More »
This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system ... Read More »
This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of ... Read More »
This Preliminary Information communication provides information to the technician on the steps to help diagnose and repair vehicles with a rattle, squeak, clunk, thump, or bump. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing ... Read More »
This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a creak, click, pop, and or crack type noise from the front suspension or front frame area while making tight turns. Read More »
This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a creak, click, pop, and or crack type noise from the front suspension or front frame area while making tight turns. Read More »
This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related ... Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a buffeting vibration and/or drone type noise, exhaust tone change, and/or body pressure booming. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a squeak, clunk, or knock type noise from the front suspension when hitting bumps. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a creak, click, pop, and or crack type noise from the front suspension or front frame area while making tight turns. Read More »
This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair vehicles with a rough idle and/or vibration at idle in Drive. This condition will not be present in Park, or Neutral. Read More »
This informational bulletin aids the technician on diagnosing possible vibrations in a vehicle, methods used for testing each scenario and documenting findings. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A SERVICE ENGINE SOON MALFUNCTION INDICATOR LAMP, ANTILOCK BRAKING SYSTEM MALFUNCTION INDICATOR LAMP, SERVICE SUSPENSION SYSTEM ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN WITH THE STEPS TO DIAGNOSIS AND REPAIR VEHICLES WITH VARIOUS HANDLING, VEHICLE DYNAMICS CONCERNS, NOISES FROM THE SUSPENSION OR UNDERBODY, OR ISSUES RELATED ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE THE CONCERN WHEN THE VEHICLE HA SA SERVICE ENGINE SOON LIGHT, ANTILOCK BRAKING SYSTEM LIGHT OR SERVICE SUSPENSION MESSAGE, MISFIRE, HESITATION, NO ... Read More »
This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a squeak, clunk, or knock type noise from the front suspension when hitting bumps. Read More »
This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Read More »
This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair vehicles with a rough idle and/or vibration at idle in Drive. This condition will not be present in Park, or Neutral. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the ... Read More »
This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that have rough, harsh, or stiff ride. Read More »
This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related ... Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a buffeting vibration and/or drone type noise, exhaust tone change, and/or body pressure booming. Read More »
This preliminary informational bulletin provides technicians a recommendation for when they are performing a front end alignment and find an alignment dowel pin missing . Read More »
This informational bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns. Read More »
This Preliminary Information communication provides information to the technician that before calling General Motors Technical Assistance Center for assistance, there is some basic diagnostic information that must be obtained in order for ... Read More »
This informational bulletin was created to aid the technician in diagnosing the difference between a shock or strut that has a fluid residule from a possible external source from a leaking shaft seal. Read More »
This Preliminary Information communication provides information to the technician on the steps to help diagnose and repair vehicles with a rattle, squeak, clunk, thump, or bump. Read More »
This preliminary informational bulletin provides technicians a recommendation for when they are performing a front end alignment and find an alignment dowel pin missing . Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. Read More »
This Preliminary Information communication provides information to the technician on the steps to help diagnose and repair vehicles with a rattle, squeak, clunk, thump, or bump. Read More »
Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Read More »
This informational bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak. Read More »
This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Read More »
This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with ... Read More »
15303 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE FOR CERTAIN 2015 MODEL YEAR CHEVROLET TAHOE AND CHEVROLET SUBURBAN, GMC YUKON AND GMC YUKON XL 2WD VEHICLES EQUIPPED WITH AUTO LEVELLING REAR SUSPENSION (RPO Z85 AND AVF). Read More »
This Preliminary Information communication provides information to the technician on the steps to help diagnose and repair vehicles with a rattle, squeak, clunk, thump, or bump. Read More »
Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Read More »
This Preliminary Information communication provides information to the technician with the steps to diagnose and repair vehicles that may have a whine noise at highway speeds from the rear of the vehicle. Read More »
This Preliminary Information communication provides information to the technician for a Service Engine Soon light with a Diagnostic Trouble code P0300 set. There may be a rough running engine associated with this concern. Read More »
This Preliminary Information communication provides information to the technician for a Service Engine Soon light with a Diagnostic Trouble code P0300 set. There may be a rough running engine associated with this concern. Read More »
This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation. Read More »
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »
This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system ... Read More »
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. Read More »
This technical bulletin provides repair information to correct a customer concern of pulsing, grinding, scraping noise from brakes, uneven front brake pad wear. Read More »
This technical bulletin provides repair information to correct a customer concern of pulsing, grinding, scraping noise from brakes, uneven front brake pad wear. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver ... Read More »
N182202780 - Special Coverage Adjustment. In some circumstances, some 2014-2017 model year Cadillac Escalade, Chevrolet Silverado, Chevrolet Suburban, Chevrolet Tahoe, GMC Sierra, and GMC Yukon vehicles may have a condition where ... Read More »
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have issues were the customer will need increased effort to depress the brake pedal. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System” message on the Driver Information ... Read More »
This informational bulletin provides information on installing the correct tires for vehicles with the condition of under hard acceleration at higher speeds, the traction control light will flash. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE ISSUES WERE THE CUSTOMER WILL NEED INCREASED EFFORT TO DEPRESS THE BRAKE PEDAL. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEP NEEDED TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE UNEVEN BRAKE PAD WEAR. TECHNICIAN WILL NEED TO INSPECT AND MEASURE THE BRAKE PADS THICKNESS. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE ISSUES WERE THE CUSTOMER WILL NEED INCREASED EFFORT TO DEPRESS THE BRAKE PEDAL. Read More »
This technical bulletin provides repair information to correct a customer concern of a Service Stabilitrak message displayed on the Driver Information Center (DIC). Read More »
This Preliminary Information communication provides information to the technician about vehicle with low miles that may have uneven front brake wear. Technician may find an inner pad worn out more than the outside. Read More »
This Preliminary Information communication provides information to the technician about vehicles that when the dome lamps are off, if the brake pedal is applied or turn signal is operated, the dome lamp will flash on and off. Read More »
This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option ... Read More »
This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? ... Read More »
This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ... Read More »
This Preliminary Information communication advises the technician that there is a new DOT 3 brake fluid for the 2014 Silverado and Sierra 1500. Technician can order the new DOT 3 brake fluid from their parts department. Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »
This Preliminary Information communication provides information to the technician on the step needed to diagnose and repair vehicles that may have uneven brake pad wear. Technician will need to inspect and measure the brake pads thickness. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »
This Preliminary Information communication provides information to the technician on the step needed to diagnose and repair vehicles that may have uneven brake pad wear. Technician will need to inspect and measure the brake pads thickness. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0442. Read More »
Special Coverage Adjustment - In some circumstances, some 2014-2018 model year Cadillac Escalade, Chevrolet Silverado, Chevrolet Suburban, Chevrolet Tahoe, GMC Sierra, and GMC Yukon vehicles may have a condition where customers may ... Read More »
This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN WITH THE STEPS ON DIAGNOSING AND REPAIRING VEHICLES THAT MAY HAVE UNWANTED GRADE BRAKING, REDUCED ENGINE POWER WITH NO DRIVER INFORMATION CENTER MESSAGES ? ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE ISSUES WERE THE CUSTOMER WILL NEED INCREASED EFFORT TO DEPRESS THE BRAKE PEDAL. Read More »
This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? ... Read More »
This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? ... Read More »
This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Trailer Brake message in the Driver Information Center. Also the vehicle will have a Diagnostic Trouble Code U0415 set. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
14056 - MESSAGE NO BULLETIN. CERTAIN VEHICLES, EQUIPPED WITH THE TRAILERING PACKAGE (RPO Z82 WITHOUT RPO JL1), WERE SHIPPED TO DEALERS WITHOUT THE ELECTRIC BRAKE CONTROLLER WIRE HARNESS. Read More »
This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option ... Read More »
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GENERAL MOTORS: PARTS FOR MOST VEHICLES, CLUTCH, MASTER CYLINDER ASSEMBLY ARE, REQUIRED AND REQUESTED, TO BE RETURNED AND NEED TO REORDER REPLACEMENT PARTS USING SAME PART NUMBERS. Read More »
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS
This technical bulletin provides repair information to correct a customer concern of pulsing, grinding, scraping noise from brakes, uneven front brake pad wear. Read More »
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR
This technical bulletin provides a procedure to replace the rear brake rotors to correct a condition of Squeak/Squeal Type Noise Heard at Low Speeds During Brake Apply due to moisture build up on the rotors. Read More »
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE THE CONCERN WHEN THE VEHICLE HA SA SERVICE ENGINE SOON LIGHT, ANTILOCK BRAKING SYSTEM LIGHT OR SERVICE SUSPENSION MESSAGE, MISFIRE, HESITATION, NO ... Read More »
N182202780 01 - Special Coverage. Certain Vehicles may have a condition where customers may experience increased brake pedal effort, hardbrake pedal, and/or potentially increased stopping distance. Read More »
This technical bulletin provides repair information to correct a customer concern of pulsing, grinding, scraping noise from brakes, uneven front brake pad wear. Read More »
This Preliminary Information communication provides information to the technician on the steps needed to diagnose and repair vehicles that may have uneven brake pad wear. Technician will need to inspect and measure the brake pads thickness. Read More »
This Preliminary Information communication provides information to the technician on the steps needed to diagnose and repair vehicles that may have uneven brake pad wear. Read More »
This technical bulletin provides a procedure to replace the rear brake rotors to correct a condition of Squeak/Squeal Type Noise Heard at Low Speeds During Brake Apply due to moisture build up on the rotors. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE THE CONCERN WHEN THE VEHICLE HA SA SERVICE ENGINE SOON LIGHT, ANTILOCK BRAKING SYSTEM LIGHT OR SERVICE SUSPENSION MESSAGE, MISFIRE, HESITATION, NO ... Read More »
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a diagnostic trouble code U0159 set in the instrument panel cluster and/or the body control module. Read More »
This preliminary informational bulletin provides information regarding the normal characteristic of instrument panel red brake light intermittently comes on. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN WITH THE STEPS ON DIAGNOSING AND REPAIRING VEHICLES THAT MAY HAVE UNWANTED GRADE BRAKING, REDUCED ENGINE POWER WITH NO DRIVER INFORMATION CENTER MESSAGES ? ... Read More »
This preliminary informational bulletin adds the 2015 Chevrolet Colorado and GMC Canyon to diagnosis and repair information to correct a customer concern of alleged no park, vehicle rolls in park or park will not hold. Read More »
This preliminary informational bulletin provides diagnosis and repair information to correct a customer concern of alleged no park or vehicle rolls in park or park will not hold. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th ... Read More »
PARKING BRAKE:CONVENTIONAL:MECHANICAL:LINKAGE AND CABLE
This Preliminary Information communication provides information to the technician about vehicles that a driveline noise or vibration at various speeds and operating conditions. Read More »
This preliminary informational bulletin provides diagnosis and repair information to correct a customer concern of alleged no park or vehicle rolls in park or park will not hold. Read More »
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D Read More »
This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. Read More »
This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only). Read More »
This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. Read More »
This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »
This Preliminary information communicates to dealers an issue on remanufactured engines with part numbers 19368174 and 19368176 where the incorrect crankshaft timing gear was installed. Read More »
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. Read More »
Malfunction Indicator Lamp Illuminated (MIL) - DTC P2635 and/or P018B Set In High Ambient Temperatures With Hesitation, Surging and Stalling Condition Some customers may comment that the Malfunction Indicator Light (MIL) is illuminated. Read More »
This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
Special Coverage Adjustment - In some circumstances, some 2014-2018 model year Cadillac Escalade, Chevrolet Silverado, Chevrolet Suburban, Chevrolet Tahoe, GMC Sierra, and GMC Yukon vehicles may have a condition where customers may ... Read More »
This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record ... Read More »
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Read More »
Special Coverage (Diagnosis Time Added). On some vehicles, may have a condition where thermal cycling on the combination transmission fluid/oil and AC condenser cooler creates a crack that may allow refrigerant to escape. Read More »
Special Coverage (Parts Ordering Information Added). On some vehicles, may have a condition where thermal cycling on the combination transmission fluid/oil and AC condenser cooler creates a crack that may allow refrigerant to escape. Read More »
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »
This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours. Read More »
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D Read More »
This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels ... Read More »
This informational bulletin explains to the tech on how to order a new fuel injector by matching the part number on the part and ordering it from the EPC. Read More »
This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »
This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »
This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. Read More »
This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »
This diagnostic tip provides a procedure to aid in performing a diagnostic test to verify if the camshaft alignment pin has been sheared away to correct a crank/No Start condition. Read More »
This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with ... Read More »
This diagnostic tip provides a procedure to aid in performing a diagnostic test to verify if the camshaft alignment pin has been sheared away. Read More »
This Bulletin provides information for rebuilding fuel injectors in the event of an underhood fuel odor and/or extended cranking condition. Read More »
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »
This Bulletin provides the technician with information on how to perform a oil consumption test and a procedure to replace the pistons if found the cause of the oil consumption. Read More »
This Preliminary Information communication provides information to the technician for a Service Engine Soon light with a Diagnostic Trouble code P0300 set. There may be a rough running engine associated with this concern. Read More »
This Bulletin provides the technician with information on how to perform a oil consumption test and a procedure to replace the pistons if found the cause of the oil consumption. Read More »
This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with ... Read More »
This Preliminary information communicates Check Engine Light on and vehicle runs rough. This condidtion will occur within the first 5 minutes after the vehicle is started. Read More »
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Read More »
This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a buffeting vibration and/or drone type noise, exhaust tone change, and/or body pressure booming. Read More »
This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Read More »
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »
This Bulletin provides the technician with information on how to perform a oil consumption test and a procedure to replace the pistons if found the cause of the oil consumption. Read More »
This informational bulletin provides diagnostic/inspection information for the air box and air filter seal to correct a MIL and DTCs P0420 and P0430 setting. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P2635, U0074 and or U18A2. Read More »
This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL on. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be ... Read More »
This informational bulletin aids the technician on diagnosing possible vibrations in a vehicle, methods used for testing each scenario and documenting findings. Read More »
This Preliminary Information communication advises the technician that there have been some reports that the current engine hours are not correct and display 0.0. Read More »
This Preliminary Information communication provides information to the technician for a Service Engine Soon light with a Diagnostic Trouble code P0300 set. There may be a rough running engine associated with this concern. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on and Diagnostic Trouble Code P0300 - P0308 may set. Read More »
This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have the oil pressure gauge jumps from approximately 40 lb. to 60 lb. The 4.3L (LV3), 5.3L (L83), 6. Read More »
Special Coverage. Some vehicles may have a condition where thermal cycling on the combination transmission fluid/oil and AC condenser cooler creates a crack that may allow refrigerant to escape. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have the oil pressure gauge jumps from approximately 40 lb. to 60 lb. The 4.3L (L83), 5.3L (L86), 6. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have extended or long crank time during cold ambient air temperatures. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be ... Read More »
This Bulletin provides guidelines for Dealers required to contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of ... Read More »
This informational bulletin provides a revision for 09-06-04-015B (Vehicles Sitting Outside on Dealer Lots for Extended Periods with Hard Start/No Start Condition) to add the 2015-2018 model years. Read More »
This Preliminary information communicatesA vehicle has DTC P06DD setting. (This PI applies to vehicles that have either an original or replacement oil pump).The oil pump control solenoid may be damaged or broke. Read More »
This Preliminary information communicatesA vehicle has DTC P06DD setting. (This PI applies to vehicles that have either an original or replacement oil pump).The oil pump control solenoid may be damaged or broke . Read More »
This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2 9U.S. and Canada Read More »
This Preliminary information communicatesP0016 setting after internal engire repair. The engine Base timing is not being set correctly. The information in this PI will be helpful in setting the timing in the vehicle. Read More »
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Read More »
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »
This Preliminary Information communication provides information to the technician about vehicles with the Service Engine Soon Malfunction Indicator Lamp on. Read More »
This Preliminary Information communication provides information to the technician how to diagnose and repair a vehicle with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or ... Read More »
This informational bulletin provides information to dealership personnel on automatic transmission shift and engine drivability concerns and/or MIL ON due to aftermarket oil bath air filter use. Read More »
This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option ... Read More »
This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with ... Read More »
This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only). Read More »
This preliminary information communicates a Diagnostic Tip for a Service Trailer Brake Message with DTC C111B C1112 C1113 C1114 advising to address any battery issues first before any in depth diagnostics are done. Read More »
This Preliminary Information communication advises the technician that there have been some reports that the current engine hours are not correct and display 0.0. Read More »
This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or ... Read More »
This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with ... Read More »
This informational bulletin provides warranty policy information on revised wiring repair labor operations and required additional information. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift gate Regular Production Option Code (TB5) is inoperative with ... Read More »
This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on engine surfaces. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have extended or long crank time during cold ambient air temperatures. Read More »
This Preliminary Information communication advises the technician on the steps to diagnose the concern and the steps to repair the concern. Customer hears a rattle or ticking noise that is louder inside the vehicle than outside. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on or engine misfire, rough idle, extended crank, or crank no start in some cases. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a rough idle and/or momentary lack of power after cold starting the engine and immediately placing the transmission in gear. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the engine may run hot with the snow plow installed. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be ... Read More »
This Preliminary Information communication provides information to the technician about engine block that have a possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder ... Read More »
This Preliminary Information communication advises the technician that generation 5 engines with Regular Production Option Code L83, L86, or LV3 may have an oil consumption concern were one quart in 2000 miles is being used. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ABOUT THE CALCULATION AND OPERATION OF THE ENGINE OIL LIFE MONITOR. THE MONITOR CALCULATES THE PERCENT OF OIL LIFE REMAINING, BASED ON 3 PATHWAYS. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A SERVICE ENGINE SOON MALFUNCTION INDICATOR LAMP ON. TECHNICIAN MAY FIND DIAGNOSTIC TROUBLE CODES P0106 AND P0506. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLE THAT MAY HAVE A SERVICE ENGINE SOON MALFUNCTION INDICATOR LAMP ON. TECHNICIAN MAY FIND DIAGNOSTIC TROUBLE CODES P2635, U0074 AND OR U18A2. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A SERVICE ENGINE SOON MALFUNCTION INDICATOR LAMP ON AND DIAGNOSTIC TROUBLE CODE P0300 - P0308 MAY SET. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THE STEPS NEEDED TO DIAGNOSE AND REPAIR VEHICLES WITH A ROUGH IDLE AND/OR VIBRATION AT IDLE IN DRIVE. THIS CONDITION WILL NOT BE PRESENT IN PARK, OR NEUTRAL. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN WITH THE STEPS ON DIAGNOSING AND REPAIRING VEHICLES THAT MAY HAVE UNWANTED GRADE BRAKING, REDUCED ENGINE POWER WITH NO DRIVER INFORMATION CENTER MESSAGES ? ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE A MALFUNCTION INDICATOR LAMP ON OR ENGINE MISFIRE, ROUGH IDLE, EXTENDED CRANK, OR CRANK NO START IN SOME CASES. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT GENERATION 5 ENGINES WITH REGULAR PRODUCTION OPTION CODE L83, L86, OR LV3 MAY HAVE AN OIL CONSUMPTION CONCERN WERE ONE QUART IN 2000 MILES IS BEING USED. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION HAS THE STEPS ON DIAGNOSING THE CONCERN OF EXCESSIVE OIL CONSUMPTION FOR THE GENERATION 5 ENGINE AND TO CALL GENERAL MOTORS TECHNICAL ASSISTANCE CENTER FOR FURTHER ASSISTANCE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE HESITATION OR A STALLING CONDITION WHILE IN AMBIENT TEMPERATURES 100 DEGREES OR HIGHER. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A SERVICE ENGINE SOON MALFUNCTION INDICATOR LAMP, ANTILOCK BRAKING SYSTEM MALFUNCTION INDICATOR LAMP, SERVICE SUSPENSION SYSTEM ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT GENERATION 5 ENGINES WITH REGULAR PRODUCTION OPTION CODE L83, L86, OR LV3 MAY HAVE AN OIL CONSUMPTION CONCERN WERE ONE QUART IN 2000 MILES IS BEING USED. Read More »
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION TO GM DEALERS ON THE CORRECT CLEANING METHODS WHEN CLEANING ENGINE GASKET SEALING SURFACES. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE RATTLE OR TICKING NOISE THAT IS LOUDER INSIDE THE VEHICLE THAN OUTSIDE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE DIAGNOSTIC TROUBLE CODE P06DD OR NO OR LOW OIL PRESSURE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THE STEPS NEEDED TO DIAGNOSE AND REPAIR VEHICLES WITH A ROUGH IDLE AND/OR VIBRATION AT IDLE IN DRIVE. THIS CONDITION WILL NOT BE PRESENT IN PARK, OR NEUTRAL. Read More »
This informational bulletin provides information on identifying non-GM (aftermarket) engine calibrations for gasoline engines using Tech 2 or GDS 2. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPLACE THE VALVE LIFTER OIL MANIFOLD AND AFFECTED BANK OF AFM LIFTERS TO CORRECT A CUSTOMER CONCERN ON A MALFUNCTION INDICATOR LAMP (MIL) ON AND/OR AN ENGINE MISFIRE/TICK NOISE WITH DTC ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF THE SERVICE ENGINE SOON LIGHT IS ON, AND THE ENGINE HAS LOW OIL PRESSURE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF BLACK SMOKE WHEN STARTING THE VEHICLE AFTER SITTING. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION HAS THE STEPS FOR DIAGNOSING THE CONCERN OF EXCESSIVE OIL CONSUMPTION FOR THE GENERATION 5 ENGINE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION HAS THE STEPS FOR DIAGNOSING THE CONCERN OF EXCESSIVE OIL CONSUMPTION FOR THE GENERATION 5 ENGINE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE THE CONCERN WHEN THE VEHICLE HA SA SERVICE ENGINE SOON LIGHT, ANTILOCK BRAKING SYSTEM LIGHT OR SERVICE SUSPENSION MESSAGE, MISFIRE, HESITATION, NO ... Read More »
This informational bulletin provides information on Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2? or GDS 2 (U.S. and Canada) Read More »
This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? ... Read More »
This Preliminary Information communication advises the technician that generation 5 engines with Regular Production Option Code L83, L86, or LV3 may have an oil consumption concern were one quart in 2000 miles is being used. Read More »
This informational bulletin provides information on what some possibile causes coud be contributing to various engine noises during cold start and warm engine operation Read More »
This Preliminary Information communication provides information to the technician the steps to diagnose and repair the concern of the display is showing 32? F (0? C) after a battery or reprogramming a module. Read More »
This Preliminary Information communication provides information to the technician how to diagnose and repair a vehicle with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or ... Read More »
This Preliminary Information communication advises the technician that generation 5 engines with Regular Production Option Code L83, L86, or LV3 may have an oil consumption concern were one quart in 2000 miles is being used. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN HOW TO DIAGNOSE AND REPAIR A VEHICLE WITH AN ENGINE THAT RUNS WITH AN INTERMITTENT CRANK NO START WITH A DIAGNOSTIC TROUBLE CODE P0011 OR P00C6 CURRENT OR ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A COLD ENGINE TICK NOISE FOR 50 SECONDS AT START UP. Read More »
This technical bulletin provides a procedure to replace 4-5-6 clutch hub to correct a condition of No Fourth, Fifth and Sixth Gears and/or Malfunction indicator Lamp Illuminated with DTC P0796 Read More »
Some customers may comment about a rough idle and/or vibration at idle in Drive. This condition may be most noticeable following extended driving, while idling at a stop in Drive. Read More »
This informational bulletin provides information on close coupled converters and there affect on newly installed engines or engines during there break in period. Read More »
This Preliminary Information communication provides information to the technician about vehicles with engine oil consumption. If published Service Information for oil consumption with no fix. Read More »
This technical bulletin provides repair information to correct a customer concern of engine misfire/tick noise, Malfunction Indicator Lamp (MIL) On, DTC P0300 set. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have extended or long crank time during cold ambient air temperatures. Read More »
This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option ... Read More »
This Preliminary Information communication provides information to the technician about vehicles with a crankshaft balancer appears to be out of balance or wobbling while watching it with the engine running. Read More »
This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. Read More »
This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM. Read More »
This Preliminary Information communication advises the technician before replacing the crankshaft to review the following. Dealer should complete the Service Information diagnostics and the Cost Comparison Worksheet for Assembly Repair vs. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have extended or long crank time during cold ambient air temperatures. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have low oil pressure after an oil change. Technician will inspect the oil filter part number PF63E. Read More »
GMC/CHEVROLET/CADILLAC: INFORMATION PROVIDED ON SOME VEHICLES AND SUV, FOR REPLACEMENT OF CRANKSHAFT, FOR ENGINE REPAIR AND OIL TANK AND LINES WOULD BE REPLACED ON DRY SUMP ENGINES WHEN REPAIRING AND/OR REPLACING. Read More »
CHEVROLET/GMC: ON TRUCKS/SUVS AFTER HAVING AN OIL AND FILTER CHANGE, THE PRESSURE FOR OIL IS LOW AND SES LIGHT HAD DIAGNOSTIC TROUBLE CODE (DTC) P0521 APPEAR. MODEL 2014-15 SILVERADO, SUBURBAN, TAHOE, SIERRA, YUKON, YUKON XL. Read More »
CADILLAC/GMC/CHEVROLET: ON SOME SUVS, WHEN SHIFTER IN PARK POSITION AND HAVE BEEN IDLING FOR 2 HOURS OR MORE, THE ENGINE WOULD STOP RUNNING. MODEL 2015 ESCALADE (ALL), TAHOE, SUBURBAN, YUKON (ALL). Read More »
GENERAL MOTORS: IN SOME VEHICLES AND TRUCKS, WHEN TRANSFERRING INTAKE MANIFOLD TO REPLACE AN ENGINE LONG SERVICE BLOCK, DUE TO INTERNAL DAMAGE, EXTREME CAUTION MUST BE TAKEN FOR COMPONENT DEBRIS VIA BROKEN, BENT OR MISSING INTAKE VALVES. Read More »
This Preliminary Information communication provides information to the technician about vehicles that stop running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM. Read More »
This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair vehicles with a rough idle and/or vibration at idle in Drive. This condition will not be present in Park, or Neutral. Read More »
This Preliminary Information communication provides information to the technician how to diagnose and repair a vehicle with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or ... Read More »
This Preliminary Information communication advises the technician to check for an engine build code of K and the dates between 15005 and 15117, the customer concern is an engine oil leak at the oil filter location of the oil pan. Read More »
CHEVROLET/CADILLAC/GMC: INSTRUCTION INFORMATION REGARDING AN OIL LEAKAGE FROM ENGINE, AROUND LOCATION OF OIL FILTER OF OIL PAN. MODEL 2015 ESCALADE, SIERRA/SILVERADO 1500, SUBURBAN, YUKON, YUKON XL, TAHOE. Read More »
This Preliminary Information communication provides information to the technician about vehicles with a Service Engine Soon Malfunction Indicator Lamp on and a misfire or a tick noise. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a dimly illuminated Service Engine Soon Malfunction Indicator Lamp when the engine is running. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A SERVICE ENGINE SOON WITH DIAGNOSTIC TROUBLE CODE P0300 AND AN ENGINE MISFIRE. Read More »
This informational bulletin provides information that may be useful in diagnosing/testing batteries that have set for a long period of time and/or set in cold weather climates to correct a customer concern of symptoms that include, but ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that the engine may run hot with the snow plow installed. Read More »
This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair vehicles with a rough idle and/or vibration at idle in Drive. This condition will not be present in Park, or Neutral. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on or engine misfire, rough idle, extended crank, or crank no start in some cases. Read More »
This Preliminary Information communication advises the technician that there have been some reports that the current engine hours are not correct and display 0.0. Read More »
This Preliminary Information communication advises the technician that the engine part number 19317708 and 19316786 restriction through General Motors Product Quality Center has ended. Read More »
This Preliminary Information communication advises the technician that the Engine Control Module part number 12656993 and 12662034 placed on restriction through the General Motors Product Quality Center. Read More »
GM: ENGINE WILL CRANK BUT WILL NOT START. DTC P00C6 MAY BE SET. LOW FUEL RAIL PRESSURE. ALSO INCLUDES CHEVROLET CORVETTE, GMC YUKON XL AND SIERRA. MODEL YEAR 2015. *JS UPDATED 05/19/2014 *JS UPDATED 11/12/14. Read More »
This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair vehicles with a rough idle and/or vibration at idle in Drive. This condition will not be present in Park, or Neutral. Read More »
This information bulletin provides additional information to the technician on how to diagnose possible normal engine noise during a cold star and a warm engine operation. Read More »
This information bulletin provides additional information to the technician on how to diagnose possible normal engine noise during a cold star and a warm engine operation. Read More »
This informational bulletin provides a process to the service agents that are not required to contact PQC, to determine when to replace a assembly as opposed to repairing and if an engine or transmission is being returned, that it has all ... Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Read More »
This Preliminary Information communication provides information to the technician how to diagnose and repair a vehicles with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or ... Read More »
This Preliminary Information communication provides information to the technician how to diagnose and repair vehicles with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or ... Read More »
This Preliminary Information communication advises the technician that the Engine Control Module part number 12656993 will be placed on restriction through the General Motors Product Quality Center. Read More »
This informational bulletin provides a process to the service agents that are not required to contact PQC, to determine when to replace a assembly as opposed to repairing and if an engine or transmission is being returned, that it has all ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a cold engine tick noise for 50 seconds at start up. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an engine extended or long crank time during ambient air temps of ?18? Celsius (0? Fahrenheit) or colder when using E85 fuel. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have extended or long crank time during cold ambient air temperatures. Read More »
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »
This service bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough. Read More »
This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels ... Read More »
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system. Read More »
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, ... Read More »
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns. Read More »
This service bulletin explains the difference in oil filters for gas engines with new oil pump control systems and the possibilities of what may happen using the incorrect filter. Read More »
The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay. Read More »
This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
This informational bulletin advised the technician that the engine and related parts will be debited if found that the tech didn't properly prepare the engine block from dirt and debris in bolt holes or if found that the block was damaged ... Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder. Read More »
This service bulletin provides information to dealership personnel on automatic transmission shift and engine driveability concerns and/or MIL ON due to aftermarket oil bath air filter use. Read More »
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »
This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »
This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. Read More »
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »
This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »
This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »
This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »
This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set. Read More »
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, ... Read More »
This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global ... Read More »
This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head gasket(s) has been possibly installed backwards to correct a concern of an Engine Thermostat Tick Noise and/or Running ... Read More »
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system. Read More »
This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head gasket(s) has been possibly installed backwards to correct a concern of an Engine Thermostat Tick Noise and/or Running ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th ... Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. Read More »
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set. Read More »
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »
This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »
This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours. Read More »
This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder. Read More »
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system. Read More »
This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. Read More »
This Preliminary information communicates to dealers an issue on remanufactured engines with part numbers 19368174 and 19368176 where the incorrect crankshaft timing gear was installed. Read More »
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D Read More »
This informational bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine ... Read More »
This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the blower motor may be noisy or vibrate when running. Read More »
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Read More »
This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global ... Read More »
This preliminary information bulletin provides a procedure for radiator and engine coolant thermostat replacement to eliminate coolant smell and/or a slight leak at the radiator. Read More »
This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »
This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. Read More »
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. Read More »
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto ... Read More »
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D Read More »
This Bulletin provides the technician with information on how to perform a oil consumption test and a procedure to replace the pistons if found the cause of the oil consumption. Read More »
This informational bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine ... Read More »
Special Coverage (Diagnosis Time Added). On some vehicles, may have a condition where thermal cycling on the combination transmission fluid/oil and AC condenser cooler creates a crack that may allow refrigerant to escape. Read More »
Special Coverage (Parts Ordering Information Added). On some vehicles, may have a condition where thermal cycling on the combination transmission fluid/oil and AC condenser cooler creates a crack that may allow refrigerant to escape. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th ... Read More »
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours. Read More »
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »
This Preliminary Information communication provides information to the technician how to diagnose and repair a vehicle with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a coolant loss and/or coolant odor after driving the vehicle. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a buffeting vibration and/or drone type noise, exhaust tone change, and/or body pressure booming. Read More »
This Preliminary Information communication provides information to the technician on the steps needed to diagnose and repair vehicles that may have a rattle noise from the dash. Read More »
N182202780 01 - Special Coverage. Certain Vehicles may have a condition where customers may experience increased brake pedal effort, hardbrake pedal, and/or potentially increased stopping distance. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have Diagnostic Trouble Code P06DD or no or low oil pressure. Read More »
This diagnostic tip provides information to the tech to aid in performing a diagnostic test to verify if the camshaft alignment pin has been sheared away. Read More »
This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have Diagnostic Trouble Code P06DD or no or low oil pressure. Read More »
This informational bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Read More »
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D Read More »
This Preliminary information communicates P0016 setting after internal engire repair. The engine Base timing is not being set correctly. The information in this PI will be helpful in setting the timing in the vehicle. Read More »
This preliminary information bulletin provides a procedure for radiator and engine coolant thermostat replacement to eliminate coolant smell and/or a slight leak at the radiator. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Read More »
This Preliminary information communicates to the dealer additional information on checking for the engne crankcase being overfull on oil causing an engine vibration concern. Read More »
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »
This Preliminary Information communication advises the technician that generation 5 engines with Regular Production Option Code L83, L86, or LV3 may have an oil consumption concern were one quart in 2000 miles is being used. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Read More »
This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. Read More »
This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift gate Regular Production Option Code (TB5) is inoperative with ... Read More »
This Preliminary information communicatesA vehicle may have a concern ofDTCP050D settingalongwith a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Read More »
This Preliminary information communicatesA vehicle may have a concern ofDTCP050D settingalongwith a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a coolant loss and/or coolant odor after driving the vehicle. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the blower motor may be noisy or vibrate when running. Read More »
This PI was superseded to update model years and add information concerning idle surge, reduced engine power mode, and/or DTCs P0068, P0121, P1516, P2101, P2119, and/or P2176 that may be experienced on high mileage vehicles. Read More »
This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL on. Read More »
This Preliminary information communicatesA vehicle may have a concern ofDTCP050D settingalongwith a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Read More »
This Preliminary Information communication advises the technician that generation 5 engines with Regular Production Option Code L83, L86, or LV3 may have an oil consumption concern were one quart in 2000 miles is being used. Read More »
This Preliminary Information communication provides information to the technician of additional information when diagnosing a service driver assist message with a diagnostic trouble code B172E and or a B172F. Read More »
This preliminary information bulletin provides a procedure for radiator and engine coolant thermostat replacement to eliminate coolant smell and/or a slight leak at the radiator. Read More »
This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »
This Preliminary information communicatesA vehicle may have a concern ofDTCP050D settingalongwith a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a coolant loss and/or coolant odor after driving the vehicle. Read More »
This Preliminary information communicatesA vehicle may have a concern ofDTCP050D settingalongwith a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Read More »
This preliminary information bulletin provides a procedure for radiator and engine coolant thermostat replacement to eliminate coolant smell and/or a slight leak at the radiator. Read More »
This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a coolant loss and/or coolant odor after driving the vehicle. Read More »
This preliminary information bulletin provides a procedure for radiator and engine coolant thermostat replacement to eliminate coolant smell and/or a slight leak at the radiator. Read More »
This preliminary information bulletin provides a procedure for radiator and engine coolant thermostat replacement to eliminate coolant smell and/or a slight leak at the radiator. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE LOW OIL PRESSURE MESSAGE. TECHNICIAN MAY ALSO FIND A DIAGNOSTIC TROUBLE CODE P0521 IN THE ENGINE CONTROL MODULE. Read More »
THIS INFORMATIONAL BULLETIN EXPLAINS A POSSIBLE NORMAL WHINING NOISE FROM THE BALANCE SHAFT CHAIN IF THE VEHICLE HAS LESS THAN 10,000 MILES ON IT. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPLACE THE VALVE LIFTER OIL MANIFOLD AND THE LIFTERS TO CORRECT THE CUSTOMERS CONCERN OF ENGINE MISFIRE, TICK NOISE AND MIL ON. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a coolant loss and/or coolant odor after driving the vehicle. Read More »
This Preliminary Information communication provides information to the technician about vehicles with misfires or roughness on cold start up. Technician may find a Diagnostic Trouble Code P0300 stored. Read More »
This informational bulletin provides information to technicians regarding intake manifold inspection/replacement after severe internal engine damage. Read More »
This technical bulletin provides repair information to correct a customer concern of engine misfire/tick noise, Malfunction Indicator Lamp (MIL) On, DTC P0300 set. Read More »
This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Code P0011. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the blower motor may be noisy or vibrate when running. Read More »
This informational bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered seepage. Read More »
This informational bulletin provides information to technicians regarding intake manifold inspection/replacement after severe internal engine damage. Read More »
This Preliminary Information communication advises the technician about the calculation and operation of the engine oil life monitor. The monitor calculates the percent of oil life remaining, based on 3 pathways. Read More »
This Preliminary Information communication provides information to the technician about vehicles with a Service Engine Soon Malfunction Indicator Lamp on and a misfire or a tick noise. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service 4WD message on the Driver Information Center when operated below 10 degrees Fahrenheit (-12 Celsius). Read More »
This informational bulletin supplies infomation for identifying non-GM (Aftermarket) engine calibrations for gasoline engines using Tech 2? or GDS 2 (U.S. and Canada). Read More »
This Preliminary Information communication provides information to the technician about vehicles that engine oil dipstick indicates engine is over filled when performing a Pre-Delivery Inspection or after an oil and filter change. Read More »
This Preliminary Information communication advises the technician that If it is determined the crankshaft needs to be replaced complete the Service Information diagnostics to determine if the crankshaft requires replacement. Read More »
This Preliminary Information communication provides information to the technician about vehicles that engine oil dipstick indicates engine is over filled when performing a Pre-Delivery Inspection or after an oil and filter change. Read More »
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Read More »
This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or ... Read More »
This information bulletin provides additional information to the technician on how to diagnose possible normal engine noise during a cold star and a warm engine operation. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have an air condition that has poor performance during high ambient temperatures. Read More »
This informational bulletin provides information to the technician on what parts of an engine or transmission will require the PQC to be notified. Read More »
This Preliminary Information communication provides information to the technician about vehicles that during very cold ambient temperatures there may be a no crank or a click no crank condition. Read More »
This informational bulletin provides information to the technician on what parts of an engine or transmission will require the PQC to be notified. Read More »
This information bulletin provides additional information to the technician on how to diagnose possible normal engine noise during a cold star and a warm engine operation. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that the blower motor may be noisy or vibrate when running. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code C0569 that will not clear. Read More »
This informational bulletin supplies infomation for identifying non-GM (Aftermarket) engine calibrations for gasoline engines using Tech 2? or GDS 2 (U.S. and Canada). Read More »
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center. Read More »
THIS INFORMATIONAL BULLETIN EXPLAINS THE USE OF DIESEL FUEL ADDITIVES IN AN ENGINE, ARE NOT REQUIRED UNLESS THE CUSTOMER DESIRES ADDITIVES TO PREVENT FUEL CONCERNS DEPENDING ON FUEL OR TEMPERATURE RELATED CONDITIONS. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift-gate Regular Production Option Code (TB5) is inoperative with ... Read More »
ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER
This Bulletin provides the technician with information on how to perform a oil consumption test and a procedure to replace the pistons if found the cause of the oil consumption. Read More »
ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D Read More »
This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder. Read More »
This Preliminary information communicates A vehicle may have a need for Camshaft replacement or have misfires on non AFM cylinders after the camshaft was replaced. Read More »
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »
This preliminary information bulletin provides a procedure for radiator and engine coolant thermostat replacement to eliminate coolant smell and/or a slight leak at the radiator. Read More »
This preliminary information bulletin provides a procedure for radiator and engine coolant thermostat replacement to eliminate coolant smell and/or a slight leak at the radiator. Read More »
This preliminary bulletin provides information on how to check for ice and/or snow build up and to install a radiator cover to correct the customers concern of reduced engine power and service engine message on. Read More »
ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS
This informational bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine ... Read More »
This service bulletin provides information to correct a customer concern of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a buffeting vibration and/or drone type noise, exhaust tone change, and/or body pressure booming. Read More »
This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up. Read More »
This informational bulletin explains the normal characteristics of exhaust noise during active fuel management when in Three or Four Cylinder Mode. Read More »
This Preliminary information communicatesA vehicle may have a concern ofDTCP050D settingalongwith a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a buffeting vibration and/or drone type noise, exhaust tone change, and/or body pressure booming. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a squeak or chirp type noise from the rear of the vehicle. Technician should use the latest version of PI1201. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an exhaust leak, noisy exhaust, or noise mid-vehicle. Read More »
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON CHANGES IN EXHAUST TONE FOR ACTIVE FUEL MANAGEMENT ENGINES WHEN IN THREE OR FOUR CYLINDER MODE. Read More »
This preliminary informational bulletin provides repair information to correct a customer concern of warm air exhausting from driver and/or passenger front seat back into 2nd row seating area causing occupant discomfort. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a tinny, rattle or buzz noise from the rear of the vehicle. Read More »
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »
This informational bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states. Read More »
This preliminary information document communicates a tip on the way to diagnose possible induction or exhaust air leaks using the evaporative emission cart smoke machine and ultrasonic leak detector tools. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0442. Read More »
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
This Preliminary information communicates to the dealer additional information on checking for the engne crankcase being overfull on oil causing an engine vibration concern. Read More »
This Preliminary information communicates to the dealer additional information on checking for the engne crankcase being overfull on oil causing an engine vibration concern. Read More »
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Read More »
This informational bulletin explains how the catalytic converters may need an inspection, cleaning or replacement if debris have entered the exhaust system. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Read More »
This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. Read More »
This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. Read More »
This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. Read More »
This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Read More »
This Preliminary Information communication provides information to the technician on the steps needed to diagnose and repair vehicles that may have a rattle noise from the dash. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a squeak or chirp type noise from the rear of the vehicle. Technician should use the latest version of PI1201. Read More »
This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL on. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS NEEDED TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE A RATTLE NOISE FROM THE DASH. Read More »
GENERAL MOTORS: IN SOME VEHICLES AND TRUCKS, WHEN TRANSFERRING INTAKE MANIFOLD TO REPLACE AN ENGINE LONG SERVICE BLOCK, DUE TO INTERNAL DAMAGE, EXTREME CAUTION MUST BE TAKEN FOR COMPONENT DEBRIS VIA BROKEN, BENT OR MISSING INTAKE VALVES. Read More »
This Preliminary Information communication provides information to the technician on the steps needed to diagnose and repair vehicles that may have a rattle noise from the dash. Read More »
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation. Read More »
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »
This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel ... Read More »
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or ... Read More »
This service bulletin provides information to correct a customer concern of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated. Read More »
This Preliminary information communicates the use of Winter grade fuel during the warm months of 2020 and the potential rivability issues that it can cause. Read More »
This Bulletin provides information for rebuilding fuel injectors in the event of an underhood fuel odor and/or extended cranking condition. Read More »
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
This Bulletin provides information to correct a customer concern of a siren or whine noise from the in-tank fuel pump at temperatures below -6C or 20F, accompanied by start and stall, no start, loss of power and MIL illuminated. Read More »
This Preliminary Information communication provides information to the technician for a vehicle setting both a P2635 and P018B diagnostic trouble codes. Read More »
This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. Read More »
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation. Read More »
This Technical Bulletin provides information to correct a customer concern of a siren or whine noise from the in-tank fuel pump at temperatures below -6C or 20F, accompanied by start and stall, no start, loss of power and MIL illuminated. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Read More »
This Preliminary Information communication provides information to the technician about vehicles with the Service Engine Soon Malfunction Indicator Lamp on. Read More »
This informational bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles. Read More »
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »
This Preliminary information communicatesIn ambient temperatures 100F (37.7 C)degrees or higher, DTCs P2635 and/or P018B may set.The vehicle may also exhibit a hesitation or stalling condition. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hesitation or a stalling condition while in ambient temperatures 100 degrees or higher. Read More »
This Preliminary Information communication advises the technician when Service Information diagnostics indicates a fuel injector may need to be removed for a repair or replaced the injector will need a new seal. Read More »
This Preliminary Information communication provides information to the technician about engine block that have a possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hesitation or a stalling condition while in ambient temperatures 100 degrees or higher. Read More »
This informational Bulletin provides Do's and Don'ts for maximizing gasoline engine fuel economy, other various tips and a list of websites for additional information. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0442. Read More »
This Preliminary Information communication provides information to the technician to help determine if the vehicle is equipped with factory or aftermarket Compressed Natural Gas, Liquefied Petroleum Gas, or Bi-Fuel Systems. Read More »
This Preliminary Information communication provides information to the technician about vehicles with a Service Engine Soon Malfunction Indicator Lamp on and a misfire or a tick noise. Read More »
This Preliminary Information communication advises the technician when Service Information diagnostics indicates a fuel injector may need to be removed for a repair or replaced the injector will need a new seal. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0171 and P0174. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a rattle, tick and/or a vibration from the rear of the vehicle. Read More »
This preliminary bulletin provides directions on testing the in tank fuel pump and which bulletin to refer to after the diagnostics are complete. Read More »
This preliminary bulletin provides a procedure to test and replace if necessary, the fuel pump to correct the customers concern of the MIL on. Read More »
This Preliminary Information communication provides information to the technician how to diagnose and repair vehicles with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0442. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an engine extended or long crank time during ambient air temps of ?18? Celsius (0? Fahrenheit) or colder when using E85 fuel. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0171 and P0174. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE HESITATION OR A STALLING CONDITION WHILE IN AMBIENT TEMPERATURES 100 DEGREES OR HIGHER. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hesitation or a stalling condition while in ambient temperatures 100 degrees or higher. Read More »
This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set. Read More »
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hesitation or a stalling condition while in ambient temperatures 100 degrees or higher. Read More »
This Preliminary information communicatesIn ambient temperatures 100F (37.7 C)degrees or higher, DTCs P2635 and/or P018B may set.The vehicle may also exhibit a hesitation or stalling condition. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE RATTLE OR TICKING NOISE THAT IS LOUDER INSIDE THE VEHICLE THAN OUTSIDE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF A RATTLE OR TICKING NOISE THAT IS LOUDER INSIDE THE VEHICLE THAN OUTSIDE. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a hard brake pedal or that increased effort is needed to depress the brake pedal. Read More »
Malfunction Indicator Lamp Illuminated (MIL) - DTC P2635 and/or P018B Set In High Ambient Temperatures With Hesitation, Surging and Stalling Condition Some customers may comment that the Malfunction Indicator Light (MIL) is illuminated. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. Read More »
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS TO DIAGNOSING THE CONCERN OF A RATTLE, TICK AND/OR A VIBRATION FROM THE REAR OF THE VEHICLE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE RATTLE OR TICKING NOISE THAT IS LOUDER INSIDE THE VEHICLE THAN OUTSIDE. Read More »
GMC/CHEVROLET/CADILLAC: BETWEEN FUEL TANK AD ETHANOL SENSOR, A NOISE OF RATTLE, TICK AND/OR VIBRATION, IS COMING FROM FUEL FEED LINE IN REAR OF VEHICLE AND PRESSURE SHOULD BE APPLIED TO FUEL LINE AND REPLACE IF SOURCE IS PRESENT. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a rattle, tick and/or a vibration from the rear of the vehicle. Read More »
This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels ... Read More »
This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have extended or long crank time during cold ambient air temperatures. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF BLACK SMOKE WHEN STARTING THE VEHICLE AFTER SITTING. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have extended or long crank time during cold ambient air temperatures. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN HOW TO DIAGNOSE AND REPAIR A VEHICLE WITH AN ENGINE THAT RUNS WITH AN INTERMITTENT CRANK NO START WITH A DIAGNOSTIC TROUBLE CODE P0011 OR P00C6 CURRENT OR ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have Service Engine Soon Malfunction Indicator Lamp. Read More »
This informational bulletin explains to the tech on how to order a new fuel injector by matching the part number on the part and ordering it from the EPC. Read More »
This Bulletin provides information for rebuilding fuel injectors in the event of an underhood fuel odor and/or extended cranking condition. Read More »
This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up. Read More »
This Preliminary Information communication advises the technician when Service Information diagnostics indicates a fuel injector may need to be removed for a repair or replaced the injector will need a new seal. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF A RATTLE OR TICKING NOISE THAT IS LOUDER INSIDE THE VEHICLE THAN OUTSIDE. Read More »
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift gate Regular Production Option Code (TB5) is inoperative with ... Read More »
This informational bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles. Read More »
This bulletin provides repair information to correct a customer concern of fuel odor, fuel leaks from UH SIDI Pipes between High Pressure Pump and Fuel Rails Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
This informational bulletin provides dealership personnel with information on flexible fuel vehicles (FFVs) and the usage of E85 fuel in GM vehicles. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0442. Read More »
GMC/CHEVROLET/CADILLAC: BETWEEN FUEL TANK AD ETHANOL SENSOR, A NOISE OF RATTLE, TICK AND/OR VIBRATION, IS COMING FROM FUEL FEED LINE IN REAR OF VEHICLE AND PRESSURE SHOULD BE APPLIED TO FUEL LINE AND REPLACE IF SOURCE IS PRESENT. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P2635, U0074 and or U18A2. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P2635, U0074 and or U18A2. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have low oil pressure message. Technician may also find a Diagnostic Trouble Code P0521 in the Engine Control Module. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have low oil pressure after an oil change. Technician will inspect the oil filter part number PF63E. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an inaccurate fuel gauge. Technician should drive the vehicle to duplicate the concern. Read More »
This Preliminary information communicatesIn ambient temperatures 100F (37.7 C)degrees or higher, DTCs P2635 and/or P018B may set.The vehicle may also exhibit a hesitation or stalling condition. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS TO DIAGNOSING THE CONCERN OF A RATTLE, TICK AND/OR A VIBRATION FROM THE REAR OF THE VEHICLE. Read More »
GMC/CHEVROLET/CADILLAC: BETWEEN FUEL TANK AD ETHANOL SENSOR, A NOISE OF RATTLE, TICK AND/OR VIBRATION, IS COMING FROM FUEL FEED LINE IN REAR OF VEHICLE AND PRESSURE SHOULD BE APPLIED TO FUEL LINE AND REPLACE IF SOURCE IS PRESENT. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an oil leak shortly after a cold start when extremely low ambient temperatures are present. Read More »
This Preliminary Information communication advises the technician when Service Information diagnostics indicates a fuel injector may need to be removed for a repair or replaced the injector will need a new seal. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have extended or long crank time during cold ambient air temperatures. Read More »
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, ... Read More »
This service bulletin advises the technician that the possible cause may not be from a faulty clutch piston or extension housing and to perform testing on transmission for other possible issues, but it still may be possible on high ... Read More »
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns. Read More »
This information bulletin advises the technician the difference between a welch cap leak and the output seal of the t-case or transmission leaking ATF, causing the customer concern of a Red Fluid Leak from Center of Vehicle Located by ... Read More »
The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay. Read More »
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
This service bulletin provides information to dealership personnel on automatic transmission shift and engine driveability concerns and/or MIL ON due to aftermarket oil bath air filter use. Read More »
This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
This service bulletin provides information for after installation of a replacement upper valve body, the transmission may have no Reverse and no 2nd gear. Read More »
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto ... Read More »
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, ... Read More »
This service bulletin advises the technician that the possible cause may not be from a faulty clutch piston or extension housing and to perform testing on transmission for possible other issues, but it still may be possible on high mile ... Read More »
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto ... Read More »
This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global ... Read More »
This information advises the technician the difference between a welch cap leak and the output seal of the t-case or transmission leaking ATF causing the customers concern. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th ... Read More »
This Preliminary Information communication advises the technician that the customer may experience a 2-3 slip or flare after the vehicle has been sitting for a period of time. Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. Read More »
This informational bulletin advises the technician of possibly installing the incorrect 1-2-7-8-R clutch fluid passage seal and which seal should be used with measurements of the seal. Read More »
This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with ... Read More »
This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the engine is started while diagnosing for noise from the engine or transmission. Read More »
This technical bulletin provides a procedure to clear the codes and test the Tcase if found that the customer has tried to shift the t-case from 4lo to Hi gears while driving. Read More »
This Preliminary Information communication provides information to the technician about being to achieve pre-load when setting up the pinion bearing pre-loads during reassembly of the 9.5/9.76 inch rear axles. Read More »
This Preliminary information communicates to dealers an issue on remanufactured engines with part numbers 19368174 and 19368176 where the incorrect crankshaft timing gear was installed. Read More »
This technical bulletin provides a procedure to reprogram the power steering control module to correct a condition of Loss of Steering Assist due to a software abnormality. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. Read More »
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, ... Read More »
This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global ... Read More »
This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »
This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »
This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »
This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record ... Read More »
Special Coverage (Diagnosis Time Added). On some vehicles, may have a condition where thermal cycling on the combination transmission fluid/oil and AC condenser cooler creates a crack that may allow refrigerant to escape. Read More »
Special Coverage (Parts Ordering Information Added). On some vehicles, may have a condition where thermal cycling on the combination transmission fluid/oil and AC condenser cooler creates a crack that may allow refrigerant to escape. Read More »
This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global ... Read More »
This Preliminary Information communication advises the technician that the customer may experience a 2-3 slip or flare after the vehicle has been sitting for a period of time. Read More »
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. Read More »
This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record ... Read More »
This preliminary informational bulletin adds the 2016 model year to diagnostic tips and repair information to correct a customer concern of reduced acceleration at low speed and/or transmission slipping from a launch, DTC P0751 set. Read More »
This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option ... Read More »
This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record ... Read More »
This Preliminary Information communication provides information to the technician that a whine noise heard from the automatic transmission fluid pan hear with the the key on and engine off, or for up to one minute after the vehicle has ... Read More »
This Preliminary information communicatesSES lamp, setting DTC P0333 when shifting the Transmissionfrom park.DTC P0333 cansetdue to voltage from the Transmission park/neutral signal 1circuit bleeding into the knock sensor system circuits. Read More »
This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of ... Read More »
Special Coverage. Some vehicles may have a condition where thermal cycling on the combination transmission fluid/oil and AC condenser cooler creates a crack that may allow refrigerant to escape. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift gate Regular Production Option Code (TB5) is inoperative with ... Read More »
This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. Read More »
This informational bulletin provides information to dealership personnel on automatic transmission shift and engine drivability concerns and/or MIL ON due to aftermarket oil bath air filter use. Read More »
This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option ... Read More »
This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with ... Read More »
17336 02 - Special Coverage (Parts and Service Procedure Revised). On some vehicles, may have a condition where thermal cycling on the combination transmission fluid/oil and AC condenser cooler creates a crack that may allow refrigerant ... Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a rough idle and/or momentary lack of power after cold starting the engine and immediately placing the transmission in gear. Read More »
This Bulletin provides guidelines for Dealers to determine whether or not they need to contact the PQC for an engine, transmission or transfer case assembly replacement and information explaining the PQC process, Global Warranty ... Read More »
This Preliminary Information communication provides information to the technician for a reduced power message, steering assist, engine stall or the instrument panel, radio, and or Heater-Vent-Air Conditioning go blank with multiple ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option ... Read More »
This Preliminary Information communication advises the technician that the part restriction on the 8L45/8L90 8 speed and the LCT1000 6 Speed Allison automatic transmission has ended. Read More »
This informational bulletin provides information to dealership personnel on proper engine and automatic transmission/transaxle identification. Read More »
This Preliminary Information communication advises the technician that the LCT1000 6 Speed Allison, 8L90 and 8L45 8 speed automatic transmission as well as the transmission control module is on restriction through General Motors Product ... Read More »
This Preliminary Information communication provides information to the technician of an engine power reduced message on the driver information center after performing the Canada Onstar? 4G upgrade. Read More »
This preliminary informational bulletin provides diagnostic tips to correct a customer concern of a Malfunction Indicator Lamp (MIL) illuminated and a technician finding DTC P0741:Torque Converter Clutch Stuck Off, set. Read More »
This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair vehicles with a rough idle and/or vibration at idle in Drive. This condition will not be present in Park, or Neutral. Read More »
This informational bulletin was created for the Manual Transmission Operating Characteristics. The different noises caused by driver habit, weather conditions , and normal manual transmission noises. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a service 4 wheel drive message and the transfer case is stuck in neutral. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a service 4 wheel drive message and the transfer case is stuck in neutral. Read More »
This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option ... Read More »
This informational bulletin provides a process to the service agents that are not required to contact PQC, to determine when to replace a assembly as opposed to repairing and if an engine or transmission is being returned, that it has all ... Read More »
This Preliminary Information communication provides information to the technician about vehicles with a crankshaft balancer appears to be out of balance or wobbling while watching it with the engine running. Read More »
This informational bulletin provides information to the technician on what parts of an engine or transmission will require the PQC to be notified. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th ... Read More »
This informational bulletin provides a process to the service agents that are not required to contact PQC, to determine when to replace a assembly as opposed to repairing and if an engine or transmission is being returned, that it has all ... Read More »
GENERAL MOTORS: PARTS FOR MOST VEHICLES, CLUTCH, MASTER CYLINDER ASSEMBLY ARE, REQUIRED AND REQUESTED, TO BE RETURNED AND NEED TO REORDER REPLACEMENT PARTS USING SAME PART NUMBERS. Read More »
This preliminary bulletin provides a procedure to remove and inspect the clutch select solenoid valve for damage, located in the valve body to correct the customers concern of reduced acceleration at low speeds and trans slip at lauch. Read More »
This Preliminary information communicatesSES lamp, setting DTC P0333 when shifting the Transmissionfrom park.DTC P0333 cansetdue to voltage from the Transmission park/neutral signal 1circuit bleeding into the knock sensor system circuits. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS NEED TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE STALLING SHUDDER AND/OR HARD SHIFTING INTO 1ST GEAR OR REVERSE VIBRATION ON LAUNCH (WITH ... Read More »
This informational bulletin provides technicians with information to assist in identifying operating characteristics of manual transmissions that repair attempts will not change. Read More »
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? ... Read More »
This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with ... Read More »
This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. Read More »
This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic ... Read More »
This Bulletin provides guidelines for Dealers required to contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of ... Read More »
This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with ... Read More »
This Bulletin provides guidelines for Dealers required to contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Harsh Shift 1/2 and 2/3 and Sputter Applying Throttle Between 0 and 30%, Rough idle. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN WITH THE STEPS ON DIAGNOSING AND REPAIRING VEHICLES THAT MAY HAVE UNWANTED GRADE BRAKING, REDUCED ENGINE POWER WITH NO DRIVER INFORMATION CENTER MESSAGES ? ... Read More »
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON HOW TO INSPECT THE UPPER VALVE BODY TO DETERMINE THE CORRECT RPO USAGE TO CORRECT A CONCERN THAT AFTER INSTALLATION OF A REPLACEMENT UPPER VALVE BODY, THE TRANSMISSION MAY HAVE NO ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS NEED TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE STALLING SHUDDER AND/OR HARD SHIFTING INTO 1ST GEAR OR REVERSE VIBRATION ON LAUNCH (WITH ... Read More »
Some customers may comment that the vehicle has reduced acceleration at low speed and/or transmission is slipping from a launch. Technicians may find DTC P0751 set or stored in history. Read More »
This preliminary informational bulletin adds the 2016 model year to diagnostic tips and repair information to correct a customer concern of reduced acceleration at low speed and/or transmission slipping from a launch, DTC P0751 set. Read More »
GMC/CADILLAC/CHEVROLET: AFTER POSITIONING SHIFT LEVER INTO PARK, IT FAILS TO HOLD AND VEHICLE ROLLS WHEN BRAKE PEDAL IS RELEASED. MODEL 2013-15. Read More »
This Preliminary Information communication advises the technician that the LCT1000 6 Speed Allison automatic transmission is on restriction through General Motors Product Quality Center. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE LCT1000 6 SPEED ALLISON AUTOMATIC TRANSMISSION IS ON RESTRICTION THROUGH GENERAL MOTORS PRODUCT QUALITY CENTER. Read More »
This preliminary bulletin provides a procedure to perform a transmission inspection and adjustment before having to replace the parking pawl actuator if the inspection found no problem. Read More »
This Preliminary Information communication advises the technician that the engine part number 19317708 and 19316786 restriction through General Motors Product Quality Center has ended. Read More »
This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option ... Read More »
This informational bulletin provides information to the technician on what parts of an engine or transmission will require the PQC to be notified. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th ... Read More »
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have "Service 4 Wheel Drive" message on the Driver Information Center. Read More »
This Preliminary Information communication advises the technician that the Engine Control Module part number 12662034 was placed on restriction through the General Motors Product Quality Center. Read More »
This Preliminary Information communication advises the technician that the Engine Control Module part number 12662034 is on restriction through the General Motors Product Quality Center. Read More »
This Preliminary Information communication advises the technician that the Engine Control Module part number 12656993 and 12662034 placed on restriction through the General Motors Product Quality Center. Read More »
This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? ... Read More »
This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ... Read More »
POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
On some 2015-2017 model year Cadillac Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, GMC Yukon and Yukon XL vehicles, may have a condition where thermal cycling on the combination transmission fluid/oil and AC condenser cooler creates ... Read More »
POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY
This service bulletin provides information for after installation of a replacement upper valve body, the transmission may have no Reverse and no 2nd gear. Read More »
POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT
CHEVROLET/GMC: IN FULL UP POSITION OF TILT STEERING COLUMN AND SHIFT LEVER MOVES BETWEEN GEARS AND COMES IN CONTACT WITH IGNITION KEY HEAD CAUSING ROTATION OF KEY AND ENGINE TO SHUT OFF. Read More »
POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER
This Preliminary Information communication advises the technician that generation 5 engines with Regular Production Option Code L83, L86, or LV3 may have an oil consumption concern were one quart in 2000 miles is being used. Read More »
This preliminary informational bulletin provides diagnostic tips that may be helpful in correcting a customer concern of a Malfunction Indicator Lamp (MIL) illuminated. Technicians may find DTC P0741 Torque Converter Clutch Stuck Off set . Read More »
POWER TRAIN:AUTOMATIC TRANSMISSION:PARK/NEUTRAL START INTERLOCK SWITCH
This preliminary informational bulletin provides diagnosis and repair information to correct a customer concern of alleged no park, vehicle rolls in park or park will not hold. Read More »
This preliminary informational bulletin provides diagnosis and repair information to correct a customer concern of alleged no park, vehicle rolls in park or park will not hold. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th ... Read More »
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto ... Read More »
This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE A ?SERVICE 4WD MESSAGE? DISPLAYED IN THE DRIVER INFORMATION CENTER. TECHNICIAN MAY FIND DIAGNOSTIC TROUBLE CODES C0392 OR C0396. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLES MAY HAVE A HIGH PITCHED WHINE NOISE FROM THE VEHICLE NOTICED WHEN DRIVING IN AUTO 4WD. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a ?Service 4WD Message? displayed in the Driver Information Center. Technician may find Diagnostic Trouble Codes C0392 or C0396. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service 4WD message on the Driver Information Center when operated below 10 degrees Fahrenheit (-12 Celsius). Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLES MAY HAVE A HIGH PITCHED WHINE NOISE FROM THE VEHICLE NOTICED WHEN DRIVING IN AUTO 4WD. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service 4WD message on the Driver Information Center. Read More »
14616 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM THE TRANSFER CASE CONTROL MODULE ON CERTAIN VEHICLES EQUIPPED WITH RPO NQH TRANSFER CASE. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a repeat service 4 wheel drive message. Technician may find Diagnostic Trouble Codes C0398, C038D or C0397. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a repeat service 4 wheel drive message. Technician may find Diagnostic Trouble Codes C0398, C038D or C0397. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a service 4 wheel drive message and the transfer case is stuck in neutral. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a service 4 wheel drive message and the transfer case is stuck in neutral. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a transfer case that will not shift out of 4 wheel drive low or takes a long time to shift out of 4 wheel drive low. Read More »
This preliminary informational bulletin provides technicians with information on the normal condition of white, milky or cloudy appearance of front differential fluid. Read More »
This Preliminary Information communication provides information to the technician with the steps to diagnose and repair vehicles that may have a whine noise at highway speeds from the rear of the vehicle. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Read More »
This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961). Read More »
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that the radio will lose audio except warning chimes and become inoperative after using Siri. Read More »
This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961). Read More »
This Preliminary Information communication advises the technician that the customer may experience a 2-3 slip or flare after the vehicle has been sitting for a period of time. Read More »
The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. Read More »
This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. Read More »
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »
This technical bulletin provides a procedure for testing the battery cables for voltage drop, Checking for a bad ground at g218, Inspecting for a short at the starter B+ to shield and testing for a faulty battery. Read More »
This Preliminary information communicates a process to correct the concern of Unable to contact OnStar after the 3G EOL on 2015-2022 model year vehicles in the United States. Read More »
This Preliminary information communication provides information to the technician about vehicles with the rear body fuse block with a loose fuse connection. Technician will need to check terminal tension on the rear fuse block. Read More »
This technical bulletin provides a procedure to reprogram the power steering control module to correct a condition of Loss of Steering Assist due to a software abnormality. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set. Read More »
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P0333 Set. Read More »
This technical bulletin provides a procedure for testing the battery cables for voltage drop, Checking for a bad ground at g218, Inspecting for a short at the starter B+ to shield and testing for a faulty battery. Read More »
This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. Read More »
This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? ... Read More »
This Preliminary Information communication advises the technician that the customer may experience a 2-3 slip or flare after the vehicle has been sitting for a period of time. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Read More »
This Preliminary information communicates instructions dealer to inspect for a broken or damaged side objector sensor/module bracket if there is a "Side Detection System Unavailable" message displayed at startup. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Trailer Brake message in the Driver Information Center. Also the vehicle will have a Diagnostic Trouble Code U0415 set. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a pop, click, tick, snap, or itch type noise in the steering column or steering wheel when turning left or right during low ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system ... Read More »
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »
This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. Read More »
This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. Read More »
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. Read More »
This Preliminary information communicates if the sunroof, rear sliding window, and/or wireless charging are found to be inoperative due to the F2DL and/or the F8DL fuse(s) being open. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information ... Read More »
This Preliminary Information communication provides information to the technician on how the radio display gets the air ambient temperature. Read More »
This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Read More »
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes E4398, E4399, E4403, M4404, M4413, E4414, E4423, E4491 or E6961). Read More »
This Preliminary information communicates a Service Adaptive Cruise With DTC C018C SYM3A After Replacing K14 Distance Sensing Cruise Control Module and provides tips for completing all necessary steps and to contact TCSC if configuration ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information ... Read More »
This Preliminary information communication provides information to the technician about vehicles with the rear body fuse block with a loose fuse connection. Technician will need to check terminal tension on the rear fuse block. Read More »
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module. Read More »
This Preliminary information communicates a Service Adaptive Cruise With DTC C018C SYM3A After Replacing K14 Distance Sensing Cruise Control Module and provides tips for completing all necessary steps and to contact TCSC if configuration ... Read More »
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. Read More »
This Preliminary Information communication provides information to the technician for a Service Engine Soon light with a Diagnostic Trouble code P0300 set. There may be a rough running engine associated with this concern. Read More »
This Preliminary Information communicates to technicians that the Daytime Running Lamps (DRL's) or the auto headlamps will not shut off when using the daytime running lamp disable switch (Which is part of the headlamp switch), if the ... Read More »
This technical bulletin provides repair information to correct a customer concern of Audio Muting When Listening to Some SiriusXM Channels Due to Interference in Some Geographic Locations. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift gate Regular Production Option Code (TB5) is inoperative with ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Read More »
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a content theft alarm sounding for no apparent reason. Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »
This Preliminary Information communication provides information to the technician that a customer may request the factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Read More »
This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system ... Read More »
This technical bulletin provides a procedure to replace the GEN I charging system with a GEN II charging system only if vehicles apply within the settings. Read More »
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module. Read More »
This Preliminary Information communication provides information to the technician of additional information when diagnosing a service driver assist message with a diagnostic trouble code B172E and or a B172F. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on and Diagnostic Trouble Code P0300 - P0308 may set. Read More »
This Preliminary information communicates to the technician when diagnosing intermittent circuit concerns to look at the connector for missing weather pack seals that could allow water intrusion into the connector and lead to corrosion on ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a “Service 4WD Message” displayed in the Driver Information Center. Read More »
This Preliminary Information communication provides information to the technician the steps to diagnose and repair the concern of the display is showing 32° F (0° C) after a battery or reprogramming a module. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a diagnostic trouble code U0159 set in the instrument panel cluster and/or the body control module. Read More »
This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System” message on the Driver Information ... Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift gate Regular Production Option Code (TB5) is inoperative with ... Read More »
This Preliminary information communicates aService Adaptive Cruise With DTC C018C SYM3A After Replacing K14 Distance Sensing Cruise Control Module and provides tips for completing all necessary steps and to contact TCSC if configuration ... Read More »
This technical bulletin provides a procedure to properly reprogram an onstar module to correct a condition of Red LED, No WiFi Operation, and/or Limited OnStar? Module Functionality After OnStar Module Replacement for Another Condition. Read More »
This technical bulletin provides repair information to correct customer concerns of OnStar, XM, GPS or antenna malfunction ? may set DTC B2462, B2470 or B125C - and/or water leak on headliner at sun visor or overhead console areas, ... Read More »
This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. Read More »
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the voice recognition is inoperative. Technician will need to toggle through all languages then back to the desired language. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. Read More »
This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries. Read More »
This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hesitation or a stalling condition while in ambient temperatures 100 degrees or higher. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ... Read More »
This Preliminary Information communication provides information to the technician of additional information when diagnosing a service driver assist message with a diagnostic trouble code B172E and or a B172F. Read More »
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. Read More »
This informational bulletin communicates part restriction and ordering process information for OnStar Vehicle Communication Interface Modules (VCIM) (GMNA Only). Read More »
This Preliminary Information communication provides information to the technician about the text messaging feature on some newer General Motors infotainment systems. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hesitation or a stalling condition while in ambient temperatures 100 degrees or higher. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift gate Regular Production Option Code (TB5) is inoperative with ... Read More »
15086A - Customer Satisfaction Program. On certain passenger cars and light duty trucks, equipped with Gen 10 OnStar?, the embedded phone flash memory chip may become corrupted, causing the OnStar? system to become inoperative. Read More »
This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a diagnostic trouble code U0159 set in the instrument panel cluster and /or the body control module. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System” message on the Driver Information ... Read More »
This informational bulletin provides information on On rare occasions, a security code input message with SPS error code E5659, M5304, and/or M5530 may be displayed in TIS2web when the technician is programming any module. Read More »
This Preliminary Information communicationends thewireless charging module restriction through the General Motors Technical Assistance Center. Read More »
This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a reduced or loss of power steering assist, steering wheel jerks or kicks back when turning, Service Stabilitrak message with ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a dead battery after sitting for more than 20 days. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System" message on the Driver Information Center when ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a message on the radio ?maximum number of phones are currently paired to the vehicle?. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a diagnostic trouble code U0159 set in the instrument panel cluster and /or the body control module. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information ... Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a click, rattle or a squeak nose coming from the dash. Read More »
This Preliminary information communication provides information to the technician about vehicles with the rear body fuse block with a loose fuse connection. Technician will need to check terminal tension on the rear fuse block. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have an unwanted power liftgate opening or closing if the key fob is near the Hands Free liftgate detection area. Read More »
This Preliminary Information communication provides information to the technician only to provide additional tips when diagnosing a front heated seat concern and is not meant to be a diagnostic flow chart or replace Service Information. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Read More »
This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the transport mode message on and off. Read More »
This Preliminary Information communication provides information to the technician about the USB port going inoperative when using Multi-Media Interface Tester. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the voice recognition is inoperative. Technician will need to toggle through all languages then back to the desired language. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hesitation or a stalling condition while in ambient temperatures 100 degrees or higher. Read More »
The information in this bulletin details the proper configurations for the ignition key, fob, key tags and key rings and applying a QR code sticker or barcode sticker to a key fob. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLE THAT MAY HAVE A SERVICE ENGINE SOON MALFUNCTION INDICATOR LAMP ON. TECHNICIAN MAY FIND DIAGNOSTIC TROUBLE CODES P2635, U0074 AND OR U18A2. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE AN ONSTAR SYSTEM THAT WILL NOT POWER UP. TECHNICIAN SHOULD TURN OFF THE IGNITION AND CANCEL RETAINED ACCESSORY POWER. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE THE ONSTAR WIRELESS FIDELITY INOPERATIVE. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO CHECK THE CYLINDERS FOR DAMAGED PISTONS AND DETERMINE IF THE USE OF AFTERMARKET CALIBRATIONS OR PERFORMANCE PARTS MAY BE THE CAUSE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT THE USE OF J-35616-64B TERMINAL TEST PROBE, REPLACEMENT TERMINALS, AND TERMINATED LEADS. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN OF ADDITION INFORMATION WHEN DIAGNOSING A SERVICE DRIVER ASSIST MESSAGE WITH A DIAGNOSTIC TROUBLE CODE B172E AND OR A B172F. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT WHEN PROGRAMING THE IMMOBILIZER THEFT LEARN IT MAY NOT COMPLETE AND/OR SHOW "CONTROLLER ID NOT SUPPORTED" AFTER THE FIRST FEW MINUTES INTO THE LEARN ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A SERVICE ENGINE SOON MALFUNCTION INDICATOR LAMP, ANTILOCK BRAKING SYSTEM MALFUNCTION INDICATOR LAMP, SERVICE SUSPENSION SYSTEM ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR VEHICLES THAT HAVE REMOTE START IS INOPERATIVE, POWER LIFT-GATE REGULAR PRODUCTION OPTION CODE (TB5) IS INOPERATIVE WITH ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES THAT HAVE A NO CRANK OR A START AND THEN IMMEDIATE STALL, SERVICE ENGINE SOON MALFUNCTION INDICATOR LAMP MAY NOT BE ... Read More »
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION FOR IGNITION KEY, FOB, KEY TAGS AND KEY RINGS CONFIGURATION FOR VARIOUS VEHICLES AND APPLYING A QR CODE STICKER OR BARCODE STICKER TO THE FOB. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REMOVE THE TRANSPORT MODE ON MESSAGE DISPLAYED IN THE DIC DUE TO VEHICLES SHIPPED OVER LONG DISTANCES OUTSIDE THE U.S. AND CANADA. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON STEPS TO PERFORM TO DETERMINE IF THE CUSTOMER'S BATTERY DRAIN CONCERN IS BEING CAUSED BY A KNOWN CONCERN WITH BLUETOOTH CALL TRANSFER OPERATION WHEN EXITING THE VEHICLE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT SOME VEHICLES MAY HAVE A DIM DRIVER INFORMATION CENTER WHEN THE INTERIOR OF THE VEHICLE IS HOT FROM A SUN LOAD OR EXTENDED HEATER OPERATION. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT ,WHEN TESTING ANY CIRCUIT FOR OPEN OR RESISTANCE, IT IS IMPERATIVE THAT ALL RELATED TERMINAL PIN FIT AND TENSION BE CHECKED WHEN THE TEST STEPS REQUIRE DISCONNECTION ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT DIAGNOSTIC TROUBLE CODE B127E IN THE HUMAN MACHINE INTERFACE WITH REGULAR PRODUCTION OPTION CODE U42 OR UWG WILL BE CURRENT WHEN PLAYING A DVD OR BLU-RAY ON THE ... Read More »
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON THE IDENTIFICATION OF VEHICLES THAT ARE SHIPPED WITH THE TRANSPORT MODE ON AND HOW TO TURN IT OFF. Read More »
This technical bulletin provides a procedure to replace both front overhead console lamps to correct a customer concern that when the dome lamps are off, if the brake pedal is applied or turn signal is operated, the dome lamp may flash on ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF BLACK SMOKE WHEN STARTING THE VEHICLE AFTER SITTING. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF A DEAD BATTERY AFTER LEAVING THE VEHICLE DURING A BLUETOOTH CALL. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE THE CONCERN, AND THE STEPS TO REPAIR THE CONCERN OF THE VEHICLE CRANKS BUT DOES NOT START. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION FOR THE DEALER TO PLEASE COMMUNICATE TO THE CUSTOMER THIS CONDITION IS A NORMAL OPERATING CHARACTERISTIC OF THEIR VEHICLE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE RADIO TO CORRECT A CUSTOMER CONCERN OF RADIO INOPERATIVE, BLUE SCREEN, AM CLIPPING NOISE, HD ON/OFF STATUS NOT RETAINED IN STATIONS, TIME LAG ON TRANSITIONS, NO AUDIO WITH ... Read More »
This Preliminary Information communication advises the technician how to diagnose vehicles with the CD player inoperative. If this concern is encountered, cycle the CD player fuse and re-evaluate the concern. Read More »
This preliminary informational bulletin provides information on GM Accessory Remote start not working with onstars remotelink phone applications Read More »
This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? ... Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be ... Read More »
This Preliminary Information communication provides information to the technician to help diagnose vehicles that may have a radio inoperative. This concern will last through multiple ignition cycles and is not intermittent. Read More »
This Preliminary Information communication provides information to the technician the steps to diagnose and repair the concern of the display is showing 32? F (0? C) after a battery or reprogramming a module. Read More »
This informational bulletin provides information on how to trace and complete a wire to wire repair on vehicle that have the concern of Service Tire Monitor System, Tire Pressures Display Dashes, RKE Short Range, No Fob Detected ... Read More »
This Preliminary Information communication advises the technician how to diagnose vehicles with the CD player inoperative. If this concern is encountered, cycle the CD player fuse and re-evaluate the concern. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have the rear vision camera system displaying "Rear Park Assist Symbols Unavailable" and the steering grid lines displayed do not ... Read More »
This Preliminary Information communication provides information to the technician for a reduced power message, steering assist, engine stall or the instrument panel, radio, and or Heater-Vent-Air Conditioning go blank with multiple ... Read More »
15038 - Dealer Message Only - Not a Field Action. Select 2015 model year vehicles will receive a software download via OnStar? to update the software for the Electronic Climate Control (ECC) system. Read More »
This Preliminary Information communication provides information to the technician for vehicles that exhibit a driver?s power memory seat and power adjustable pedals inoperative. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a click, rattle or a squeak nose coming from the dash. Read More »
This informational bulletin provides information that may be useful in diagnosing/testing batteries that have set for a long period of time and/or set in cold weather climates to correct a customer concern of symptoms that include, but ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an inoperative radio. Technician may find Diagnostic Trouble Code U0184 stored in multiple modules. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the incoming caller ID may no longer be available or displayed after the Canada OnStar upgrade. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service 4WD message on the Driver Information Center when operated below 10 degrees Fahrenheit (-12 Celsius). Read More »
This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Read More »
This Preliminary Information communication provides information to the technician about customers that may complain of various concerns when using Bluetooth components. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Read More »
This Preliminary Information communication provides information to the technician of addition information when diagnosing a service driver assist message with a diagnostic trouble code B172E and or a B172F. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have One or more tire pressures display dashes, Service Tire Monitor System Message, Remote Keyless Entry poor range or inoperative ... Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a click, rattle or a squeak nose coming from the dash. Read More »
This Preliminary Information communication for the dealer to please communicate to the customer this condition is a normal operating characteristic of their vehicle. Read More »
This Preliminary Information communication provides information to the technician about the text messaging feature on some newer General Motors infotainment systems. Read More »
This technical bulletin provides repair information for the correction of a customer concern of short duration musty odors emitted from the HVAC system at vehicle start-up in hot, humid conditions. Read More »
This Preliminary Information communication for the dealer to please communicate to the customer this condition is a normal operating characteristic of their vehicle. Read More »
This informational bulletin provides information to dealership personnel regarding warranty codes generated by EL-50313 Midtronics GR8 Battery Tester/Charger required for claim processing on labor operations 4041510, 4041520 and 250 ... Read More »
This Preliminary Information communication provides information to the technician about when listening to an iPod that the first song will still be displayed when the next song in the list is playing. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a ?Service 4WD Message? displayed in the Driver Information Center. Technician may find Diagnostic Trouble Codes C0392 or C0396. Read More »
This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC ... Read More »
This Preliminary Information communication provides information to the technician to download the USB software from TIS2WEB using the vehicle identification number every time a programming event of the human machine interface module is ... Read More »
This Preliminary Information communication provides information to the technician about the iPod that the first song will still be displayed when the next song in the list is playing. Read More »
This Preliminary Information communication provides information to the technician about being unable to receive OnStar ?Over The Air? updates. Read More »
This Preliminary Information communication provides information to the technician only to provide additional tips when diagnosing a front heated seat concern and is not meant to be a diagnostic flow chart or replace Service Information. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have the OnStar wireless fidelity inoperative. Read More »
This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. Read More »
This Preliminary Information communication provides information to the technician on how to tell vehicles built with text messaging and vehicles that are not. Read More »
This Preliminary Information communication provides information to the technician for vehicles that exhibit a driver?s power memory seat and power adjustable pedals inoperative. Read More »
This technical bulletin provides repair procedure information to correct a customer concern of Transport Mode On message displayed in Driver Information Center (DIC) and/or battery light is flashing. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a clock that is slow to update while driving when the clock auto set feature enabled. Read More »
14281 - CUSTOMER SATISFACTION PROGRAM. CERTAIN 2014-2015 MODEL YEAR CHEVROLET SILVERADO, SUBURBAN, AND TAHOE MODEL VEHICLES AND 2014-2015 MODEL YEAR GMC SIERRA AND YUKON MODEL VEHICLES EQUIPPED WITH A DEALER INSTALLED REAR ENTERTAINMENT ... Read More »
This preliminary informational bulletin provides radio programming information to correct customer concerns about no XM audio or time shift, radio lock-up, slow response, vertical line between clock and temperature, poor FM reception ... Read More »
This preliminary informational bulletin provides reprpgramming information to correct a customer concern of blank display, NAV screen audio content is unavailable via speech recognition, display screen is stuck on incoming call view after ... Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Read More »
14395A - CUSTOMER SATISFACTION PROGRAM (REVISED LABOR TIME). ON SOME 2015 MODEL YEAR BUICK ENCORE, LACROSSE, REGAL, AND VERANO; CADILLAC ATS, CTS, ELR, ESCALADE, SRX AND XTS; CHEVROLET COLORADO, CORVETTE, CRUZE, EQUINOX, IMPALA, MALIBU, ... Read More »
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have battery draw complaint. Technician should not replace the Instrument Panel Cluster for this concern. Read More »
This Preliminary Information communication advises the technician that the E92 Engine Control Module part number 12662034 part restriction through General Motors Product Quality Center has ended. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be ... Read More »
This informational bulletin provides information for fleet vehicles which details the proper configurations for the ignition key, fob, key tags and key rings. Read More »
This preliminary informational bulletin provides technicians diagnostic tips for unable to align radar during distance sensing cruise control module learn procedure. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a dimly illuminated Service Engine Soon Malfunction Indicator Lamp when the engine is running. Read More »
This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport ... Read More »
This informational bulletin provides information on dealer reimbursement procedures for Customer Assistance Center (CAC) Tier 1 and Tier 2 empowerment tools: diagnostic fee, short term rental, and up-front towing (U.S. only). Read More »
This Preliminary Information communication provides information to the technician about vehicles that iPhone is losing pair with the vehicle. Technician should delete the vehicle from the phone and the phone from the vehicle. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A BLANK DISPLAYS, FLASHING DISPLAYS, ?ERROR OR UPDATE FAILED MESSAGES?, NAVIGATION MAP NOT LOADING, BLUETOOTH OR USB CONCERNS. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLES MAY HAVE A HIGH PITCHED WHINE NOISE FROM THE VEHICLE NOTICED WHEN DRIVING IN AUTO 4WD. Read More »
This informational bulletin provides information on control module diagnostics and configuration, programming using the TIS Service Programming System (SPS), set-up and warranty. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT THE WIRELESS CHARGING MODULE HAS BEEN PLACED ON RESTRICTION THROUGH THE GENERAL MOTORS TECHNICAL ASSISTANCE CENTER. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THE STEPS NEEDED TO DIAGNOSE AND REPAIR THE VEHICLES THAT MAY HAVE UNWANTED OR PHANTOM PHONE CALLS. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service 4WD message on the Driver Information Center. Read More »
This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair vehicles with a rough idle and/or vibration at idle in Drive. This condition will not be present in Park, or Neutral. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information ... Read More »
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the radio will lose audio except warning chimes and become inoperative after using Siri. Read More »
This preliminary information bulletin provides a procedure on reprograming the HMI module to repair the customers concern of the blank screen after start up, Rear view camera on, touch screen inop, bluetooth and navigation concerns. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Read More »
This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. Read More »
This preliminary informational bulletin provides a procedure for the technician to test the power seats, the outside power mirriors, shorts in the wiring and the MSM, and reprogram the module if shorts weren't found, for the customers ... Read More »
This Preliminary Information communication provides information to the technician about the wireless charging module has been placed on restriction through the General Motors Technical Assistance Center. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface ... Read More »
This Preliminary Information communication advises the technician how determine if the vehicle is equipped with wireless fidelity. Technician should check the Regular Production Option Code list for (VV4). Read More »
This Preliminary Information communication provides information to the technician about vehicles with wireless fidelity inoperative after the OnStar module was replaced. Read More »
This Preliminary Information communication provides information to the technician about the wireless charging module has been placed on restriction through the General Motors Technical Assistance Center. Read More »
This Preliminary Information communication provides information to the technician about vehicles with OnStar WIFI is inoperative after a VCIM replacement. Read More »
This Preliminary Information communication provides information to the technician about vehicles that when the dome lamps are off, if the brake pedal is applied or turn signal is operated, the dome lamp will flash on and off. Read More »
This Preliminary Information communication provides information to the technician about owners that want the auto door lock disabled. There is no avalible setting or Body Control Module calibration to turn off the auto door locks. Read More »
This Preliminary Information communication advises the technician that If it is determined the crankshaft needs to be replaced complete the Service Information diagnostics to determine if the crankshaft requires replacement. Read More »
This Preliminary Information communication provides information to the technician about vehicles that when starting the vehicle intermittently they have no audio except chime. Read More »
This prelimenary bulletin provides a procedure to replace the accessory a/c and d/c power control module to correct the customers concern of the the power outlet intermittently works. Read More »
This prelimenary bulletin provides a procedure to replace the accessory a/c and d/c power control module to correct the customers concern of the the power outlet intermittently works. Read More »
This Preliminary Information communication advises the technician that the Engine Control Module part number 12662034 was placed on restriction through the General Motors Product Quality Center. Read More »
This Preliminary Information communication provides information to the technician about vehicles that during very cold ambient temperatures there may be a no crank or a click no crank condition. Read More »
This Preliminary Information communication advises the technician that the Engine Control Module part number 12662034 is on restriction through the General Motors Product Quality Center. Read More »
This preliminary informational bulletin provides a procedure for the technician to test the power seats, the outside power mirriors, shorts in the wiring and the MSM, and reprogram the module if shorts weren't found, for the customers ... Read More »
This preliminary informational bulletin provides a procedure for the technician to test the power seats, the outside power mirriors, shorts in the wiring and the MSM, and reprogram the module if shorts weren't found, for the customers ... Read More »
This preliminary informational bulletin provides a procedure for the technician to test the power seats, the outside power mirriors, shorts in the wiring and the MSM, and reprogram the module if shorts weren't found, for the customers ... Read More »
This Preliminary information communication provides information to the technician about vehicles with the rear body fuse block with a loose fuse connection. Technician will need to check terminal tension on the rear fuse block. Read More »
This Preliminary Information communication provides information to the technician how to diagnose and repair a vehicle with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or ... Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift-gate Regular Production Option Code (TB5) is inoperative with ... Read More »
This Preliminary Information communication advises the technician that the Instrument Panel Cluster for vehicles will be placed on restriction through the General Motors Technical Assistance Center. Read More »
This preliminary informational bulletin provides a procedure for the technician to test the power seats, the outside power mirriors, shorts in the wiring and the MSM, and reprogram the module if shorts weren't found, for the customers ... Read More »
This preliminary informational bulletin provides a procedure for the technician to test the power seats, the outside power mirriors, shorts in the wiring and the MSM, and reprogram the module if shorts weren't found, for the customers ... Read More »
This Preliminary Information communication advises the technician that the Engine Control Module part numbers 12656993 and 12662034 are on part restriction through the General Motors Product Quality Center. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This Technical bulletin provides a procedure to request a hard mute from Onstar when navigation is annoucing directions and to correct the customers concern of the radio being loud during navigation. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have a "No Remote Detected" message will display on the DIC and the engine will not crank or while trying to shut the vehicle off, a ... Read More »
This Preliminary Information communication provides information to the technician about vehicles with erratic or hesitation when opening and closing the power lift gate. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have intermittent and hard to duplicate Rear Camera blank, distorted, or fuzzy. Read More »
This Preliminary Information communication provides information to the technician about vehicles that during very cold ambient temperatures there may be a no crank or a click no crank condition. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information ... Read More »
This informational bulletin explains if the fuse is open when the customer plugs in the trailer, that it may be the cause if diagnostics finds no problems to that point. Read More »
This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. Read More »
This technical bulletin provides a procedure to disconnect the battery if the repairs were done to the vehicle and the technician was unable to clear the codes. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have the driver's power seat or the memory seat functions become inoperative. Read More »
This Preliminary Information communication provides information to the technician the steps to diagnose and repair the concern of the display is showing 32? F (0? C) after a battery or reprogramming a module. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have the outgoing end of a Bluetooth call may have static that lasts for a short period of time when beginning a Bluetooth call, or when ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. Read More »
This Preliminary Information communication provides information to the technician about vehicles that during very cold ambient temperatures there may be a no crank or a click no crank condition. Read More »
This Preliminary Information communication provides information to the technician how to diagnose and repair vehicles with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or ... Read More »
This preliminary bulletin provides a procedure to reprogram the body control module to correct the customers concern of the intermittent no start and security lamp on. Read More »
This Preliminary Information communication advises the technician that the Engine Control Module part number 12656993 will be placed on restriction through the General Motors Product Quality Center. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a frequent "off route" messages while following Turn by Turn route. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. Read More »
This Preliminary Information communication provides information to the technician with diagnostic tips about vehicles that have one or more passive entry buttons, located on the outside door handles, are not working or are intermittently ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »
This Preliminary Information communication provides information to the technician about systems operate during a remote vehicle start event. Read More »
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code C0569 that will not clear. Read More »
This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses. Read More »
This technical bulletin provides a procedure for testing the battery cables for voltage drop, Checking for a bad ground at g218, Inspecting for a short at the starter B+ to shield and testing for a faulty battery. Read More »
This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. Read More »
This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message On and Off. Read More »
This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the transport mode message on and off. Read More »
This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries. Read More »
This Preliminary Information communication provides information to the technician the steps to diagnose and repair the concern of the display is showing 32° F (0° C) after a battery or reprogramming a module. Read More »
This preliminary information communicates a Diagnostic Tip for a Service Trailer Brake Message with DTC C111B C1112 C1113 C1114 advising to address any battery issues first before any in depth diagnostics are done. Read More »
This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the transport mode message on and off. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a dead battery after sitting for more than 20 days. Read More »
This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the transport mode message on and off. Read More »
This Preliminary Information communication provides information to the technician the steps to diagnose and repair the concern of the display is showing 32? F (0? C) after a battery or reprogramming a module. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF A DEAD BATTERY AFTER LEAVING THE VEHICLE DURING A BLUETOOTH CALL. Read More »
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION THAT MAY BE USEFUL ON DIAGNOSING BATTERIES THAT HAVE SET FOR A LONG PERIOD OF TIME AND/OR SET IN COLD WEATHER CLIMATES AND TESTING THOSE BATTERIES. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. Read More »
This informational bulletin provides information on Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Read More »
This informational bulletin provides information to dealership personnel regarding original equipment battery part numbers and AC Delco replacement battery approved warranty part numbers. Read More »
This informational bulletin provides information to dealership personnel regarding original equipment battery part numbers and AC Delco replacement battery approved warranty part numbers. Read More »
BUICK/CADILLAC/ GMC/ CHEVROLET: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. BATTERY IS DEAD DUE TO ONSTAR MODULE AND IF VEHICLE FAILS TO START AFTER 4 DAYS AND OCCURS EVEN IF ONSTAR SYSTEM IS NOT ACTIVE. *PE UPDATED 11/6/15. Read More »
This informational bulletin provides information that may be useful in diagnosing/testing batteries that have set for a long period of time and/or set in cold weather climates to correct a customer concern of symptoms that include, but ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that during very cold ambient temperatures there may be a no crank or a click no crank condition. Read More »
14126B - SERVICE UPDATE (REVISED PROGRAMMING INFORMATION). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM THE INSTRUMENT PANEL CLUSTER ON CERTAIN VEHICLES. THESE VEHICLES MAY HAVE AN ODOMETER READING AT ?PEEK IN? (I.E. Read More »
This warranty bulletin explains how to use the EL-50313 Midtronic GR8 Battery tester to test a battery and determin if it is warranty or not. Read More »
This warranty bulletin explains how to use the EL-50313 Midtronic GR8 Battery tester to test a battery and determin if it is warranty or not. Read More »
This Preliminary Information communication provides information to the technician about vehicles that during very cold ambient temperatures there may be a no crank or a click no crank condition. Read More »
This Preliminary Information communication provides information to the technician about vehicles that during very cold ambient temperatures there may be a no crank or a click no crank condition. Read More »
This warranty bulletin explains how to use the EL-50313 Midtronic GR8 Battery tester to test a battery and determin if it is warranty or not Read More »
This Preliminary Information communication provides information to the technician about vehicles that during very cold ambient temperatures there may be a no crank or a click no crank condition. Read More »
This preliminary informational bulletin provides a diagnostic tip for low line pressure or pressure regulator valve stuck after transmission service pump cover replacement. Read More »
This informational bulletin provides information on vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak and that this is considered a normal conditon and no repairs are ... Read More »
This preliminary bulletin provides a procedure to remove and inspect the clutch select solenoid valve for damage, located in the valve body to correct the customers concern of reduced acceleration at low speeds and trans slip at lauch. Read More »
This Preliminary Information communication provides information to the technician how to diagnose and repair a vehicle with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or ... Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver ... Read More »
This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs. Read More »
This technical bulletin provides a procedure to replace the drivers front door window regulator motor and door wiring harness if water and/or corrosion is found in the connectors. Read More »
This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs. Read More »
This informational bulletin provides warranty policy information on revised wiring repair labor operations and required additional information. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver ... Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE AN INTERMITTENT "CHECK TRAILER WIRING" OR "SERVICE TRAILER BRAKE" MESSAGE ON THE DRIVER ... Read More »
This informational bulletin provides warranty policy information on revised wiring repair labor operations and required additional information. Read More »
This Preliminary Information communication provides information to the technician about the vehicles equipped with power folding 3rd row seat and how to diagnosis and repair seats that do not fold down completely or the 60% side does not ... Read More »
This warranty administration bulletin adds the 2016 model year to a communication which provides dealership personnel revised wiring repair labor operations and required additional information. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system ... Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have the driver's power seat or the memory seat functions become inoperative. Read More »
14768 - SERVICE UPDATE. SERVICE PROCEDURE TO REPLACE THE CONSOLE-WIRING HARNESS ON CERTAIN 2015 MODEL YEAR CHEVROLET SUBURBAN, CHEVROLET TAHOE, GMC YUKON AND GMC YUKON XL VEHICLES EQUIPPED WITH A CUSTOM FRONT-FLOOR CONSOLE WITHOUT COOLER. Read More »
GMC/CHEVROLET: AN INCORRECT CONSOLE WIRING HARNESS WILL CAUSE TRANSFER CASE, LANE DEPARTURE/PARK ASSIST SWITCH INDICATORS, CHILD DOOR LOCK, HEATED STEERING WHEEL NOT FUNCTION PROPERLY AND NEED TO REPLACE CONSOLE WIRING HARNESS. Read More »
GENERAL MOTORS 2015 CHEVROLET SUBURBAN, TAHOE, GMC YUKON, YUKON XL EQUIPPED WITH CUSTOM FRONT FLOOR CONSOLE WITHOUT COOLER, HAVE INCORRECT CONSOLE WIRING HARNESS CAUSING SEVERAL MALFUNCTIONING ISSUES. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver ... Read More »
GMC/CHEVROLET: TRUCKS WITH INTEGRATED TRAILER BRAKE CONTROLLER (ITBC) MAY RECEIVED AN INTERMITTENT CHECK TRAILER WIRING, AND/OR SERVICE TRAILER BRAKE MESSAGE WITH DIAGNOSTIC TROUBLE CODE (DTC) C1114 AND HAVE ITBC CONNECTION CHECKED. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information ... Read More »
14056 - MESSAGE NO BULLETIN. CERTAIN VEHICLES, EQUIPPED WITH THE TRAILERING PACKAGE (RPO Z82 WITHOUT RPO JL1), WERE SHIPPED TO DEALERS WITHOUT THE ELECTRIC BRAKE CONTROLLER WIRE HARNESS. Read More »
ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver ... Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver ... Read More »
This Preliminary Information communication provides information to the technician that a customer may request the factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have Trailer connection not recognized or “Check Trailer wiring” or “Service Trailer Brake” message. Read More »
This preliminary information communicates a Diagnostic Tip for a Service Trailer Brake Message with DTC C111B C1112 C1113 C1114 advising to address any battery issues first before any in depth diagnostics are done. Read More »
This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup ... Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System" message on the Driver Information Center when ... Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN WITH THE STEPS ON DIAGNOSING AND REPAIRING VEHICLES THAT MAY HAVE UNWANTED GRADE BRAKING, REDUCED ENGINE POWER WITH NO DRIVER INFORMATION CENTER MESSAGES ? ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT CUSTOMERS THAT MAY REQUEST THE FACTORY INTEGRATED TRAILER BRAKE CONTROLLER REGULAR PRODUCTION OPTION CODE (JL1) BE INSTALLED ON THEIR FULL-SIZE PICKUP ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLE THAT MAY HAVE A "CHECK TRAILER WIRING" OR "SERVICE TRAILER BRAKE SYSTEM? MESSAGE ON THE DRIVER INFORMATION CENTER WHEN ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE AN INTERMITTENT "CHECK TRAILER WIRING" OR "SERVICE TRAILER BRAKE" MESSAGE ON THE DRIVER ... Read More »
This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup ... Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver ... Read More »
GMC/CHEVROLET: TRUCKS WITH INTEGRATED TRAILER BRAKE CONTROLLER (ITBC) MAY RECEIVED AN INTERMITTENT CHECK TRAILER WIRING, AND/OR SERVICE TRAILER BRAKE MESSAGE WITH DIAGNOSTIC TROUBLE CODE (DTC) C1114 AND HAVE ITBC CONNECTION CHECKED. Read More »
This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup ... Read More »
ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
This Preliminary information communication provides information to the technician about vehicles with the rear body fuse block with a loose fuse connection. Technician will need to check terminal tension on the rear fuse block. Read More »
This Preliminary information communication provides information to the technician about vehicles with the rear body fuse block with a loose fuse connection. Technician will need to check terminal tension on the rear fuse block. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have the driver's power seat or the memory seat functions become inoperative. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »
The information in this bulletin details the proper configurations for the ignition key, fob, key tags, key rings, key ring sizes and applying a QR code sticker or barcode sticker to a key fob. Read More »
This Preliminary Information communication provides information to the technician about the text messaging feature on some newer General Motors infotainment systems. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »
This informational bulletin provides information for fleet vehicles which details the proper configurations for the ignition key, fob, key tags and key rings. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »
This preliminary informational bulletin adds the 2015 model year to repair information on correcting a customer concern of poor, limited, reduced Remote Keyless Entry (RKE) or Remote Vehicle Start (RVS) range. Read More »
This technical bulletin provides information to the technician to replace the ignition key if the customers concern is the shifter contacts the key. Read More »
CHEVROLET/GMC: IN FULL UP POSITION OF TILT STEERING COLUMN AND SHIFT LEVER MOVES BETWEEN GEARS AND COMES IN CONTACT WITH IGNITION KEY HEAD CAUSING ROTATION OF KEY AND ENGINE TO SHUT OFF. Read More »
This Preliminary Information communication provides information to the technician about vehicles that during very cold ambient temperatures there may be a no crank or a click no crank condition. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have the alarm sounding when learning new key fobs after the original key fobs were lost. Read More »
The information in this bulletin details the proper configurations for the ignition key, fob, key tags, key rings, key ring sizes and applying a QR code sticker or barcode sticker to a key fob. Read More »
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a click, rattle or a squeak nose coming from the dash. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Read More »
This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the transport mode message on and off. Read More »
This Preliminary Information communication provides information to the technician about vehicle's odometer appears to be inaccurate relative to a known distance traveled. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a diagnostic trouble code U0159 set in the instrument panel cluster and /or the body control module. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a diagnostic trouble code U0159 set in the instrument panel cluster and /or the body control module. Read More »
This technical bulletin provides a procedure on how to take the vehicles out of transport mode for vehicles with the condition of Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is ... Read More »
This informational bulletin provides information on If the radar does not see any vehicles, structures, or objects for 15-25 minutes of driving, the system may think its blocked and display the ?Side Object Detection System Disabled? ... Read More »
This informational bulletin provides Information on Inappropriate Warranty Claims Submitted for Damaged Radios and Instrument Panel Clusters (IPCs) Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT AFTER REPLACING THE INSTRUMENT PANEL CLUSTER THE EXCHANGE CENTER IS UNABLE TO PROGRAM THE ACTUAL MILEAGE ON THE ODOMETER OR THE ACTUAL MILEAGE IS ... Read More »
This Preliminary Information communication advises the technician that the part restriction for the instrument panel cluster has ended. The instrument panel cluster can now be ordered through the part department without any authorization. Read More »
This informational bulletin provides dealership personnel with information on interior cleaning of Instrument Panel (IP), hard or plastic surfaces, seats, carpet, leather, vinyl, fabric cleaner, stain remover, restorer and product ... Read More »
GMC/CHEVROLET: SOME TRUCKS WILL EXPERIENCE A HIGH RESISTANCE IN WIRING HARNESS CONNECTORS CAUSING SERVICE AIR BAG MESSAGE TO BE DISPLAYED IN DRIVER INFORMATION CENTER (DIC). Read More »
This Preliminary Information communication advises the technician that effective July 28, 2014, the Instrument Panel Cluster will be placed on restriction. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp dimly illuminated while the engine is running. Read More »
BUICK/CHEVROLET/GMC: DUE TO SOFTWARE ANOMALY, THE INSTRUMENT CLUSTER ANALOG GAUGES FAILS TO OPERATE PROPERLY. MODEL 2014 REGAL, LACROSSE, SILVERADO 1500, CORVETTE, SIERRA 1500, 2015 SUBURBAN, TAHOE, YUKON MODELS. Read More »
This Preliminary Information communication advises the technician that the Instrument Panel Cluster for vehicles will be placed on restriction through the General Motors Technical Assistance Center. Read More »
14126B - SERVICE UPDATE (REVISED PROGRAMMING INFORMATION). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM THE INSTRUMENT PANEL CLUSTER ON CERTAIN VEHICLES. THESE VEHICLES MAY HAVE AN ODOMETER READING AT ?PEEK IN? (I.E. Read More »
GMC/CHEVROLET: THE INSTRUMENT PANEL CLUSTER (IPC) IS LOCKED UP AND ON RESTRICTION DUE TO A SPS PROGRAMMING EVENT. MODEL 2014 SILVERADO 1500, SIERRA 1500, 2015 SILVERADO, SUBURBAN, TAHOE, SIERRA, YUKON MODELS. Read More »
CHEVROLET/GMC: TO REPROGRAM INSTRUMENT CLUSTER PANEL, SERVICE PROCEDURE HAS BEEN PROVIDED IN REGARDS TO BASE WARRANTY EXPIRED WITH AN INCORRECT ODOMETER READING, ON SOME VEHICLES. Read More »
This Preliminary Information communication advises the technician that the Instrument Panel Cluster for vehicles will be placed on restriction through the General Motors Technical Assistance Center. Read More »
14126A - SERVICE UPDATE (REVISED PROGRAMMING INFORMATION). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM THE INSTRUMENT PANEL CLUSTER ON CERTAIN VEHICLES. THESE VEHICLES MAY HAVE AN ODOMETER READING AT ?PEEK IN? (I.E. Read More »
This PI provides a procedure to update the instrument cluster properly and completely and what steps to take if the link between the tools were to become dis-connected. Read More »
14126 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM THE INSTRUMENT PANEL CLUSTER ON CERTAIN VEHICLES. ALSO INVOLVED ARE CERTAIN 2015 MY CHEVROLET SUBURBAN, TAHOE AND GMC YUKON VEHICLES. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Read More »
IPC Odometer Programming Method Quick Reference Guide Season Odometer Programming Methods in Use Today 1. IPC reprogramming and setup using the service programming system (SPS). 2. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »
This technical bulletin provides a procedure to replace the radio for vehicles with the condition of Intermittent Pop Noise from the Speakers Followed by a Reset of the Radio and Clock due to a software issue. Read More »
This informational bulletin provides information for the GM of Canada OnStar Cellular Communication Upgrade to 3G/4G LTE for vehicles that may need an upgrade. Read More »
This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have "Service 4 Wheel Drive" message on the Driver Information Center. Read More »
This Preliminary Information communication provides information to the technician about the text messaging feature on some newer General Motors infotainment systems. Read More »
This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2 9U.S. and Canada Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hesitation or a stalling condition while in ambient temperatures 100 degrees or higher. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Read More »
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »
This Preliminary Information communication advises the technician that there have been some reports that the current engine hours are not correct and display 0.0. Read More »
This informational bulletin provides information on Information on How to Prevent Inadvertent Vehicle Starting from Key Fob or OnStar Mobile Application and where to locate the information for future use. Read More »
This informational bulletin provides to the tech the new version of SPS that will prompt warnings when trying to reprogram modules that have been already reprogrammed. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System” message on the Driver Information ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have "Service 4 Wheel Drive" message on the Driver Information Center. Read More »
This informational bulletin provides information for the GM of Canada OnStar Cellular Communication Upgrade to 3G/4G LTE for vehicles that may need an upgrade. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Read More »
This Preliminary Information communication provides information to help the dealership technicians perform a parasitic drain test for the OnStar module. Read More »
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »
This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have an OnStar Turn-By-Turn Navigation the system that is inoperative. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a service 4 wheel drive message and the transfer case is stuck in neutral. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a transfer case that will not shift out of 4 wheel drive low or takes a long time to shift out of 4 wheel drive low. Read More »
This Preliminary Information communicationends thewireless charging module restriction through the General Motors Technical Assistance Center. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This informational bulletin provides information on OnStar? VCIM is currently restricted parts. By working closely with our dealers and technicians, through the part restriction process, the General Motors team will gain a better ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Read More »
This Preliminary Information communication provides information to the technician about vehicles with various Heater-Vent-Air Conditioning blower mode or temperature issues. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have "Service Theft System" message on the Driver Information Center. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE THE ONSTAR WIRELESS FIDELITY INOPERATIVE. Read More »
This informational bulletin provides information on identifying non-GM (aftermarket) engine calibrations for gasoline engines using Tech 2 or GDS 2. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE RADIO TO CORRECT A CUSTOMER CONCERN OF RADIO INOPERATIVE, BLUE SCREEN, AM CLIPPING NOISE, HD ON/OFF STATUS NOT RETAINED IN STATIONS, TIME LAG ON TRANSITIONS, NO AUDIO WITH ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION IS TO CONTACT GM TECHNICAL ASSISTANCE CENTER TO REPORT THE CONCERN AND OBTAIN A CASE NUMBER. THE CUSTOMER IS UNABLE TO SELECT RADIO PRESETS FROM THE USB OR SD CARD AS THEY ARE GREYED OUT. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a click, rattle or a squeak nose coming from the dash. Read More »
This Preliminary Information communication advises the technician that some vehicles intermittently the favorites saved from a USB drive or SD card are grayed out and not selectable. Read More »
This technical bulletin provides a procedure to update your apple product to the latest software version to correct a condition of infotainment system will not return to media after bluetooth call ... Read More »
15038 - Dealer Message Only - Not a Field Action. Select 2015 model year vehicles will receive a software download via OnStar? to update the software for the Electronic Climate Control (ECC) system. Read More »
This preliminary informational bulletin adds the 2014 - 2016 model years to cleaning information to correct a customer concern of seeing a white film/residue on the IP pad and/or door trim panels. Read More »
This Preliminary Information communication provides information to the technician about a connectivity concern with Bluetooth after phone software is updated or after any vehicle updates for the radio or Human Machine Interface has taken ... Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have intermittent and hard to duplicate Rear Camera blank, distorted, or fuzzy. Read More »
15304 - Service Update. This bulletin provides a service procedure to reprogram the transfer case control module on the vehicles listed above. Read More »
This Preliminary Information communication provides information to the technician to download the USB software from TIS2WEB using the vehicle identification number every time a programming event of the human machine interface module is ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have low oil pressure message. Technician may also find a Diagnostic Trouble Code P0521 in the Engine Control Module. Read More »
15038 - DEALER MESSAGE ONLY. SELECT 2015 VEHICLES WILL RECEIVE A SOFTWARE DOWNLOAD VIA ONSTAR? TO UPDATE THE SOFTWARE FOR THE ELECTRONIC CLIMATE CONTROL (ECC) SYSTEM. Read More »
This informational bulletin communicates part restriction and ordering process information for OnStar?Vehicle Communication Interface Modules (VCIM) (GMNA Only). Read More »
This Preliminary Information communication provides information to the technician on how the radio display gets the air ambient temperature. Read More »
This Preliminary Information communication advises the technician to insure that global diagnostic service 2 diagnostic packages are up to date prior to learning the steering angle sensor for a diagnostic trouble code C710 symptom code 71 ... Read More »
This Preliminary Information communication provides information to the technician for a reduced power message, steering assist, engine stall or the instrument panel, radio, and or Heater-Vent-Air Conditioning go blank with multiple ... Read More »
This preliminary informational bulletin provides repair information to correct a customer concern of Service Air Bag message displayed in Driver Information Center (DIC), and technician finding DTC B0014, B0021 or B001E set, with Symptom ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have various Heater-Vent-Air Conditioning issues. Read More »
This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles with visible water leak or signs of water intrusion from the antenna base, red OnStar LED, unable to connect to ... Read More »
This preliminary informational bulletin provides inspection and repair information to correct a customer concern of XM/Cellular Mobile Phone/OnStar Antenna looseness or damage, XM/Cellular/OnStar reception performance degraded, ... Read More »
This preliminary informational bulletin provides radio programming information to correct customer concerns about no XM audio or time shift, radio lock-up, slow response, vertical line between clock and temperature, poor FM reception ... Read More »
This informational bulletin adds the 2014 and 2015 model years to information of a language change for OnStar System (U.S. and Canada only). Read More »
This preliminary informational bulletin provides technicians diagnostic tips for unable to align radar during distance sensing cruise control module learn procedure. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have Service 4WD message in the Driver Information Center. Read More »
This informational bulletin communicates Information to technicians on control module Diagnostic Trouble Code(s) (DTC)(s) P0601, P0602, P0603, P0604, P0606, P062F, P06F3, P1621 which can be shared in multiple modules. Read More »
This preliminary informational bulletin provides radio programming information to correct customer concerns about no XM on start-up when manually tuned and/or using voice recognition, no radio wake-up, rear view camera and OnStar ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service 4WD message on the Driver Information Center. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a blank displays, flashing displays, "Error or Update failed Messages", navigation map not loading, Bluetooth or USB concerns. Read More »
This Preliminary Information communication provides information to the technician on how the radio display gets the air ambient temperature. Read More »
This Preliminary Information communication provides information to the technician that some vehicles may have a high pitched whine noise from the vehicle noticed when driving in auto 4wd. Read More »
This Preliminary Information communication provides information to the technician about the wireless charging module has been placed on restriction through the General Motors Technical Assistance Center. Read More »
This Preliminary Information communication provides information to the technician on how the radio display gets the air ambient temperature. Read More »
This Preliminary Information communication advises the technician that there have been some reports that the current engine hours are not correct and display 0.0. Read More »
This informational bulletin was created to help technician identify non GM calibrations for the gasoline engines and the damages that may be caused by aftermarket calibrations Read More »
This informational bulletin was created to help technician identify non GM calibrations for the gasoline engines and the damages that may be caused by aftermarket calibrations Read More »
This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a repeat service 4 wheel drive message. Technician may find Diagnostic Trouble Codes C0398, C038D or C0397. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a repeat service 4 wheel drive message. Technician may find Diagnostic Trouble Codes C0398, C038D or C0397. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the voice recognition is inoperative. Technician will need to toggle through all languages then back to the desired language. Read More »
14126B - SERVICE UPDATE (REVISED PROGRAMMING INFORMATION). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM THE INSTRUMENT PANEL CLUSTER ON CERTAIN VEHICLES. THESE VEHICLES MAY HAVE AN ODOMETER READING AT ?PEEK IN? (I.E. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the voice recognition is inoperative. Technician will need to toggle through all languages then back to the desired language. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a repeat service 4 wheel drive message. Technician may find Diagnostic Trouble Codes C0398, C038D or C0397. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a transfer case that will not shift out of 4 wheel drive low or takes a long time to shift out of 4 wheel drive low. Read More »
This warranty bulletin explains how to use the EL-50313 Midtronic GR8 Battery tester to test a battery and determin if it is warranty or not. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have an OnStar Turn-By-Turn Navigation the system that is inoperative. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have the OnStar system does not respond properly to some numbers and/or voice commands. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. Read More »
Information on Inside Rear View Mirror and Camera Loose Some customers may comment that the inside rear view mirror or front camera is loose or that the mirror/camera mounting bracket is loose or has fallen off. Read More »
This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be ... Read More »
This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel ... Read More »
This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »
This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P0333 Set. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Read More »
This Preliminary Information communication provides information to the technician about vehicles with the Service Engine Soon Malfunction Indicator Lamp on. Read More »
This Preliminary Information communication provides information to the technician about vehicles that when the dome lamps are off, if the brake pedal is applied or turn signal is operated, the dome lamp will flash on and off. Read More »
This preliminary bulletin explains that the customers concern of the rear seat entertainment dome lamps when the turn signals or brakes are used, engineering is aware of the condition and are working on a resolution. Read More »
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON EXTERIOR LIGHTING COMPONENTS THAT HAVE BEEN TINTED OR SMOKED BY AN OUTSIDE VENDOR AND GENERAL MOTORS POSITION ON ALTERING THESE COMPONENTS. Read More »
This Preliminary Information communicates to technicians that the Daytime Running Lamps (DRL's) or the auto headlamps will not shut off when using the daytime running lamp disable switch (Which is part of the headlamp switch), if the ... Read More »
This informational bulletin provides an out line on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage and what should be considered warranty replacement and not Read More »
This Preliminary Information communicates to techniciansthat the Daytime Running Lamps (DRL's) or the auto headlamps will not shut off when using the daytime running lamp disable switch (Which is part of the headlamp switch), if the ... Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have wind whistle noise heard from the right or left rear quarter glass area when driving at highway speeds or with a cross wind. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have wind whistle noise heard from the right or left rear quarter glass area when driving at highway speeds or with a cross wind. Read More »
This informational bulletin provides an out line on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage and what should be considered warranty replacement and not Read More »
This informational bulletin provides an out line on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage and what should be considered warranty replacement and not Read More »
This preliminary informational bulletin provides repair information for a customer concern of dome lamps flash/flicker on and off when operating brake pedal or turn signal. Read More »
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »
This Preliminary information communicates if the sunroof, rear sliding window, and/or wireless charging are found to be inoperative due to the F2DL and/or the F8DL fuse(s) being open. Read More »
This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area. Read More »
This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. Read More »
This Preliminary information communicates if the sunroof, rear sliding window, and/or wireless charging are found to be inoperative due to the F2DL and/or the F8DL fuse(s) being open. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information ... Read More »
This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a content theft alarm sounding for no apparent reason. Read More »
This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area. Read More »
This informational bulletin provides information for assisting the customer in setting the position for the memory mirror and the reverse tilt Read More »
This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have wind whistle noise heard from the right or left rear quarter glass area when driving at highway speeds or with a cross wind. Read More »
This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area. Read More »
This Preliminary Information communication provides information to the technician about vehicles thatmay have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Read More »
This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH STEPS TO RESOLVE THE ISSUE OF AN OILY SUBSTANCE THAT MAY BE FOUND ON THE INSIDE WINDSHIELD SURFACE, AND APPEARS TO BE LEAKING FROM THE REAR VIEW MIRROR AREA. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH STEPS TO RESOLVE THE ISSUE OF AN OILY SUBSTANCE THAT MAY BE FOUND ON THE INSIDE WINDSHIELD SURFACE, AND APPEARS TO BE LEAKING FROM THE REAR VIEW MIRROR AREA. Read More »
This preliminary informational bulletin provides windshield replacement information to correct a customer concern that the inside rear view mirror is loose or that the mirror mounting bracket is loose or has fallen off. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have an oily substance is found on the inside windshield surface and appears to be leaking from the rear view mirror area. Read More »
This preliminary bulletin provides a procedure to replace the windshild to correct the customers concern of a loose mirrior and/or bracket fell off. Read More »
This preliminary bulletin provides a repair to replace the windshield to fix the customers concern of the inside rearview mirrior loose or fell off with bracket. Read More »
This preliminary bulletin provides a repair to replace the windshield to fix the customers concern of the inside rearview mirrior loose or fell off with bracket. Read More »
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON A NORMAL CONDITION ON TEMPERED GLASS OF SPOTS SHOWING ON THE REAR AND SIDE WINDOWS WHEN THE VEHICLE IS IN THE SUNLIGHT. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLE THAT MAY HAVE WIND WHISTLE NOISE HEARD FROM THE RIGHT OR LEFT REAR QUARTER GLASS AREA WHEN DRIVING AT HIGHWAY SPEEDS OR WITH A CROSS WIND. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have wind whistle noise heard from the right or left rear quarter glass area when driving at highway speeds or with a cross wind. Read More »
This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. Read More »
This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. Read More »
This technical bulletin provides a procedure to replace the drivers front door window regulator motor and door wiring harness if water and/or corrosion is found in the connectors. Read More »
This preliminary informational bulletin provides repair information for a customer concern of intermittent clicking/rubbing noise when side door glass is moving up or down at cold temperatures. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have wind whistle noise heard from the right or left rear quarter glass area when driving at highway speeds or with a cross wind. Read More »
This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks. Read More »
This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks. Read More »
This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks. Read More »
This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks. Read More »
This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN OF THE STEPS FOR DIAGNOSING AND REPAIRING THE CONCERN WHEN THE VEHICLE HAS A WATER LEAK AND OR WIND NOISE FROM SUNROOF. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN OF THE STEPS FOR DIAGNOSING AND REPAIRING THE CONCERN WHEN THE VEHICLE HAS A WATER LEAK AND OR WIND NOISE FROM SUNROOF. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS. Read More »
This Preliminary Information communication provides information to the technician about vehicles with a water leak and/or hiss type wind noise from the sunroof or headliner area. Read More »
This Preliminary Information communication provides information to the technician on a concern of body pressure booming. This concern may be more noticeable when the active fuel management is engages and the engine is in 4 cylinder mode. Read More »
This Preliminary Information communication provides information to the technician on a concern of body pressure booming. This concern may be more noticeable when the active fuel management is engages and the engine is in 4 cylinder mode. Read More »
This Preliminary Information communication provides information to the technician about vehicles that when driving at highway speeds and closing the sunroof, it will reverse when it reaches the air deflector. Read More »
Information on Inside Rear View Mirror and Camera Loose Some customers may comment that the inside rear view mirror or front camera is loose or that the mirror/camera mounting bracket is loose or has fallen off. Read More »
This preliminary informational bulletin provides windshield replacement information to correct a customer concern that the inside rear view mirror is loose or that the mirror mounting bracket is loose or has fallen off. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have an oily substance is found on the inside windshield surface and appears to be leaking from the rear view mirror area. Read More »
This preliminary informational bulletin provides a procedure for the technician to test the power seats, the outside power mirriors, shorts in the wiring and the MSM, and reprogram the module if shorts weren't found, for the customers ... Read More »
This preliminary bulletin provides a procedure on how to reset the power folding mirriors after they been folded manually, to fix the customers concern of the mirriors shaking or fluttering at normal driving speeds. Read More »
This preliminary bulletin provides a procedure to replace the windshild to correct the customers concern of a loose mirrior and/or bracket fell off. Read More »
This preliminary bulletin provides a repair to replace the windshield to fix the customers concern of the inside rearview mirrior loose or fell off with bracket. Read More »
This warranty bulletin explains how to determine if an outside mirrior was damaged by the customer and what is considered warranty and non-warranty. Read More »
This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area. Read More »
This technical bulletin provides a procedure to relearn the power folding mirriors and road test to correct a conditon of power fold away mirriors glass shakes or flutters at normal driving speeds Read More »
This preliminary informational bulletin provides a procedure for the technician to test the power seats, the outside power mirriors, shorts in the wiring and the MSM, and reprogram the module if shorts weren't found, for the customers ... Read More »
This warranty bulletin explains how to determine if an outside mirrior was damaged by the customer and what is considered warranty and non-warranty. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Read More »
This technical bulletin provides a procedure to reinstall the rear defroster tab on the rear window defogger for vehicles with the condition of rear defrosters inoperative or if one is to break during a normal repair. Read More »
This technical bulletin provides a procedure to reinstall the rear defroster tab on the rear window defogger for vehicles with the condition of rear defrosters inoperative or if one is to break during a normal repair. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a whistle noise in the vehicle from the driver or passenger side. Read More »
This technical bulletin provides a procedure to reinstall the rear defroster tab on the rear window defogger for vehicles with the condition of rear defrosters inoperative or if one is to break during a normal repair. Read More »
This technical bulletin provides a procedure to reinstall the rear defroster tab on the rear window defogger for vehicles with the condition of rear defrosters inoperative or if one is to break during a normal repair. Read More »
THIS TECHNICAL BULLETIN PROVIDES INFORMATION ON THE PROPER RECONNECTION OF THE REAR WINDOW DEFROSTER TAB IF A CUSTOMER COMMENTS ONE LOOSE OR BROKEN. Read More »
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »
This technical bulletin provides a procedure to reinstall the rear defroster tab on the rear window defogger for vehicles with the condition of rear defrosters inoperative or if one is to break during a normal repair. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be ... Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a pop, click, tick, snap, or itch type noise in the steering column or steering wheel when turning left or right during low ... Read More »
This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of ... Read More »
This preliminary informational bulletin provides repair information to correct a customer concern of Service Air Bag message displayed in Driver Information Center (DIC), and technician finding DTC B0014, B0021 or B001E set, with Symptom ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may not level the truck when there is load in the rear of their vehicle or a trailer is attached to the vehicle. Read More »
This informational bulletin provides Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »
THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE TO REPOSITION THE FRONT SEAT BELT LATCH PLATE FOR CONCERNS REGARDING THE SEAT BELT WEBBING OR LATCH PLATE COMING TWISTED. Read More »
This Preliminary Information communication provides information to the technician about the vehicles equipped with power folding 3rd row seat and how to diagnosis and repair seats that do not fold down completely or the 60% side does not ... Read More »
This informational bulletin provides information to advise dealers about seat belt buckles not operating and/or seat belt warning light illumination, as well as difficulty latching and unlatching the buckle or the buckle release button ... Read More »
This informational bulletin provides information to advise dealers about seat belt buckles not operating and/or seat belt warning light illumination, as well as difficulty latching and unlatching the buckle or the buckle release button ... Read More »
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Read More »
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Read More »
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a buffeting vibration and/or drone type noise, exhaust tone change, and/or body pressure booming. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a creak, click, pop, and or crack type noise from the front suspension or front frame area while making tight turns. Read More »
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »
This Preliminary Information communication advises the technician that the door striker cover will be shipped with the vehicle from the assembly plant. Read More »
This Preliminary Information communication provides information to the technician for a water leak in in the second and third row seating area. Read More »
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have wind whistle noise heard from the right or left rear quarter glass area when driving at highway speeds or with a cross wind. Read More »
This Preliminary Information communication provides information to the technician for a water leak in in the second and third row seating area. Read More »
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »
This Preliminary Information communicates an issues with the headliner sagging and how to reattach the velcro using Hardman Double Bubble Epoxy part number 04001. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a whistle noise in the vehicle from the driver or passenger side. Read More »
This Preliminary information communicates to the technician when diagnosing intermittent circuit concerns to look at the connector for missing weather pack seals that could allow water intrusion into the connector and lead to corrosion on ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a creak, click, pop, and or crack type noise from the front suspension or front frame area while making tight turns. Read More »
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »
This Preliminary information communication provides information to the technician about vehicles with the rear body fuse block with a loose fuse connection. Technician will need to check terminal tension on the rear fuse block. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. Read More »
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »
This Preliminary Information communication provides information to the technician for a water leak in in the second and third row seating area. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a creak, click, pop, and or crack type noise from the front suspension or front frame area while making tight turns. Read More »
This Preliminary information communication provides information to the technician about vehicles with the rear body fuse block with a loose fuse connection. Technician will need to check terminal tension on the rear fuse block. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN OF THE STEPS FOR DIAGNOSING AND REPAIRING THE CONCERN WHEN THE VEHICLE HAS A WATER LEAK AND OR WIND NOISE FROM SUNROOF. Read More »
This Preliminary Information communication provides information to the technician on a concern of body pressure booming. This concern may be more noticeable when the active fuel management is engages and the engine is in 4 cylinder mode. Read More »
This informational bulletin provides information on the PQC assembly replacement process - for dealers required to contact PQC prior to replacing an assembly (U.S. and Canada only). Read More »
This Preliminary Information communication provides information to the technician on a concern of body pressure booming. This concern may be more noticeable when the active fuel management is engages and the engine is in 4 cylinder mode. Read More »
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only) Read More »
This Preliminary Information communication provides information to the technician that there was a temporary change to the frame coating on some vehicles. Read More »
This Preliminary Information communication provides information to the technician on a concern of body pressure booming. This concern may be more noticeable when the active fuel management is engages and the engine is in 4 cylinder mode. Read More »
This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair vehicles with a rough idle and/or vibration at idle in Drive. This condition will not be present in Park, or Neutral. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a whistle noise in the vehicle from the driver or passenger side. Read More »
This preliminary bulletin provides a procedure to reprogram the body control module to correct the customers concern of the intermittent no start and security lamp on. Read More »
This technical bulletin provides a procedure to pry the upper and lower quarter rear trim panel sheet metal apart to eliminate a creak noise heard from the quarter lower rear trim panel area. Read More »
This technical bulletin provides repair information to correct customer concerns of OnStar, XM, GPS or antenna malfunction ? may set DTC B2462, B2470 or B125C - and/or water leak on headliner at sun visor or overhead console areas, ... Read More »
This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Read More »
This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles with visible water leak or signs of water intrusion from the antenna base, red OnStar LED, unable to connect to ... Read More »
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES INFORMATION THAT MAY BE HELPFUL WHEN ADDRESSING UNDERBODY COMPONENT CORROSION WITH CUSTOMERS. Read More »
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »
This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF A RATTLE OR TICKING NOISE THAT IS LOUDER INSIDE THE VEHICLE THAN OUTSIDE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS. Read More »
This Preliminary Information communication provides information to the technician on a concern of body pressure booming. This concern may be more noticeable when the active fuel management is engages and the engine is in 4 cylinder mode. Read More »
This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles with visible water leak or signs of water intrusion from the antenna base, red OnStar LED, unable to connect to ... Read More »
This Preliminary Information communication provides information to the technician on a concern of body pressure booming. This concern may be more noticeable when the active fuel management is engages and the engine is in 4 cylinder mode. Read More »
This technical bulletin provides a procedure to replace the drivers front door window regulator motor and door wiring harness if water and/or corrosion is found in the connectors. Read More »
This Preliminary Information communication provides information to the technician about owners that want the auto door lock disabled. There is no avalible setting or Body Control Module calibration to turn off the auto door locks. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE DOOR STRIKER COVER WILL BE SHIPPED WITH THE VEHICLE FROM THE ASSEMBLY PLANT. Read More »
This Preliminary Information communication provides information to the technician vehicles that have a wind noise from a side door, tick or rattle noise from a side door, B and/or C pillar area, or door applique trim has come loose. Read More »
This preliminary informational bulletin provides repair information for a customer concern of intermittent clicking/rubbing noise when side door glass is moving up or down at cold temperatures. Read More »
This preliminary bulletin provides a procedure to install foam at the front doors to redirect the water away from the door hinges during cold conditions and to correct the customers concern of the front doors are hard to open when cold. Read More »
This Preliminary Information communication advises the technician that the door striker cover will be shipped with the vehicle from the assembly plant. Read More »
This Preliminary Information communication advises the technician that the door striker cover will be shipped with the vehicle from the assembly plant. Read More »
This Preliminary Information communication provides information to the technician about vehicles with erratic or hesitation when opening and closing the power liftgate. Read More »
This Preliminary information communicates that unwanted liftgate opening can occur if the customer leaves a programmed fob in the vicinity of the passive liftgate antenna. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift gate Regular Production Option Code (TB5) is inoperative with ... Read More »
This preliminary informational bulletin adds the 2016 model year and provides technicians with repair information to correct a customer concern of rough, uneven or irregular horizontal seam on liftgate. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift gate Regular Production Option Code (TB5) is inoperative with ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have an unwanted power liftgate opening or closing if the key fob is near the Hands Free liftgate detection area. Read More »
This preliminary informational bulletin adds the 2016 model year and provides technicians with repair information to correct a customer concern of rough, uneven or irregular horizontal seam on liftgate. Read More »
This Preliminary Information communication provides information to the technician about vehicles that are equipped with Hands Free Power Lift-gate Regular Production Option Code (TC2). Read More »
This Preliminary Information communication provides information to the technician about vehicles that the lift-gate actuator or strut that is going to be removed or replaced. Read More »
This preliminary informational bulletin provides technicians with repair information to correct a customer concern of rough, uneven or irregular horizontal seam on liftgate. Read More »
14300 - SERVICE UPDATE (RESUME REPAIRS MESSAGE ONLY). ON MARCH 5, 2015, DEALERS WERE SENT A MESSAGE INFORMING THEM TO SUSPEND REPAIRS FOR SERVICE UPDATE 14300 DUE TO A POSSIBLE QUALITY ISSUE ON THE ACTUATOR ASSEMBLY USED TO PERFORM THE ... Read More »
14300A - SERVICE UPDATE (REVISED PART, SERVICE, AND WARRANTY INFORMATION). ON VEHICLES EQUIPPED WITH A POWER LIFTGATE (TB5/TC2), THE POWER LIFTGATE MAY HAVE BEEN BUILT WITH LIFTGATE STRUTS THAT CAN LOCK UP AND CEASE TO MOVE. Read More »
14300 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPLACE THE LIFTGATE ACTUATOR ASSEMBLY ON CERTAIN VEHICLES EQUIPPED WITH A POWER LIFTGATE (TB5/TC2). Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift-gate Regular Production Option Code (TB5) is inoperative with ... Read More »
This Preliminary Information communication provides information to the technician about vehicles with erratic or hesitation when opening and closing the power lift gate. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a pop or scrape noise when the lift gate or lift glass is opened. Read More »
This Preliminary Information communication provides information to the technician about vehicles with erratic or hesitation when opening and closing the power lift gate. Read More »
This Preliminary Information communication provides information to the technician about vehicles with erratic or hesitation when opening and closing the power lift gate. Read More »
STRUCTURE:BODY:HATCHBACK/LIFTGATE:HINGE AND ATTACHMENTS
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift-gate Regular Production Option Code (TB5) is inoperative with ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a pop or scrape noise when the lift gate or lift glass is opened. Read More »
This Preliminary Information communication provides information to the technician about vehicles with erratic or hesitation when opening and closing the power lift gate. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the lift-gate actuator or strut that is going to be removed or replaced. Read More »
This preliminary informational bulletin adds the 2016 model year to repair information to correct a customer concern of the hood fluttering, vibrating or displaying visible motion at highway speeds or over rough road surfaces. Read More »
This preliminary informational bulletin adds the 2016 model year to repair information to correct a customer concern of the hood fluttering, vibrating or displaying visible motion at highway speeds or over rough road surfaces. Read More »
This Preliminary Information communication provides information to the technician on a concern of body pressure booming. This concern may be more noticeable when the active fuel management is engages and the engine is in 4 cylinder mode. Read More »
This Preliminary Information communication provides information to the technician on a concern of body pressure booming. This concern may be more noticeable when the active fuel management is engages and the engine is in 4 cylinder mode. Read More »
This Preliminary Information communication provides information to the technician on a concern of body pressure booming. This concern may be more noticeable when the active fuel management is engages and the engine is in 4 cylinder mode. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have the alarm sounding when learning new key fobs after the original key fobs were lost. Read More »
This Preliminary Information communication provides information to the technician about owners that want the auto door lock disabled. There is no avalible setting or Body Control Module calibration to turn off the auto door locks. Read More »
This Preliminary Information communication provides information to the technician about vehicles that are equipped with Hands Free Power Lift-gate Regular Production Option Code (TC2). Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have an unwanted power liftgate opening or closing if the key fob is near the Hands Free liftgate detection area. Read More »
This Preliminary Information communication provides information to the technician of a concern on vehicles where the power lift gate binds or makes a popping noise when operated the gate also may not stay open. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE SPEEDOMETER INACCURATE READS 5 MPH WHEN TRAVELING 50 MPH. ENGINEERING IS WORKING TO DEVELOP A SOLUTION. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE SPEEDOMETER INACCURATE READS 5 MPH WHEN TRAVELING 50 MPH. ENGINEERING IS WORKING TO DEVELOP A SOLUTION. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Read More »
VEHICLE SPEED CONTROL:THROTTLE:THROTTLE POSITION SENSOR (TPS)
This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. Read More »
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »
This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires. Read More »
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »
This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »
This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty ... Read More »
This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty ... Read More »
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage). Read More »
This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »
This informational bulletin aids the technician on diagnosing possible vibrations in a vehicle, methods used for testing each scenario and documenting findings. Read More »
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »
This technical bulletin provides a procedure on how to clean and resurface wheel bead seats. for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information ... Read More »
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage). Read More »
This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »
This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »
This GM of Canada New Vehicle Tire Warranty Program and GWM Transaction Submission Information Bulletin provides information for the new tires that the vehicle are equipped with and that they are covered by General Motors against defects ... Read More »
This informational bulletin provides information on the proper mounting paste to apply to tires when mounting and balancing them to prevent conditions like Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE ONE OR MORE TIRE PRESSURES DISPLAY DASHES, SERVICE TIRE MONITOR SYSTEM MESSAGE, REMOTE KEYLESS ENTRY POOR RANGE OR INOPERATIVE ... Read More »
This informational bulletin provides additional information to the technician on how to check for Tire Radial Force Variations and the difference between balancing a flange and flangeless rim. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the ... Read More »
This informational bulletin communicates comprehensive instructions to GM Dealers and authorized GM Accessory Distributor/Installers as to the proper methods for mounting, balancing, and installing accessory wheels and tires. Read More »
This Preliminary Information communication provides information to the technician that before calling General Motors Technical Assistance Center for assistance, there is some basic diagnostic information that must be obtained in order for ... Read More »
This informational bulletin provides technicians with ways to decrease the tire slipping on the rim and reduce to possible chances of the customers concerns over tire vibration are repair. Read More »
This informational bulletin provides technicians with ways to decrease the tire slipping on the rim and reduce to possible chances of the customers concerns over tire vibration are repair. Read More »
This informational bulletin provides technicians with ways to decrease the tire slipping on the rim and reduce to possible chances of the customers concerns over tire vibration are repair. Read More »
This informational bulletin provides explanation on using the tire sealent in the GM kit as a temporary fix only untill the tire can be properly repaired under the new tire warranty. Read More »
This informational bulletin provides the technician with information on tire radial force variations and how to balance a tire using the balancer. Read More »
This informational bulletin provides technicians with ways to decrease the tire slipping on the rim and reduce to possible chances of the customers concerns over tire vibration are repair. Read More »
This technical bulletin provides a procedure on cleaning a leaking rim, to correct a customers concern of having a slow tire leak and low tire psi message on. Read More »
This informational bulletin provides additional information to the technician on how to check for Tire Radial Force Variations and the difference between balancing a flange and flangeless rim. Read More »
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »
This informational bulletin provides additional information to the technician on how to check for Tire Radial Force Variations and the difference between balancing a flange and flangeless rim. Read More »
This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. Read More »
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »
This informational bulletin provides information on how to trace and complete a wire to wire repair on vehicle that have the concern of Service Tire Monitor System, Tire Pressures Display Dashes, RKE Short Range, No Fob Detected ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE ONE OR MORE TIRE PRESSURES DISPLAY DASHES, SERVICE TIRE MONITOR SYSTEM MESSAGE, REMOTE KEYLESS ENTRY POOR RANGE OR INOPERATIVE ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have One or more tire pressures display dashes, Service Tire Monitor System Message, Remote Keyless Entry poor range or inoperative ... Read More »
This preliminary informational bulletin provides information that the tire pressure monitor (TPM) sensors must always be re-learned when accessory wheels are installed on the vehicle. Read More »
This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed. Read More »
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns. Read More »
This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement. Read More »
This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel). Read More »
This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement. Read More »
This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel). Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »
This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »
This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint. GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY). Read More »
This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires. Read More »
This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with ... Read More »
This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment. Read More »
This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »
This Preliminary Information communication provides information to the technician about removing the tinnerman push nuts when installing the accessory Accessory 22" Wheels Regular Production Option Code (SES, SEU, SEY, OR SEZ) or ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »
This informational bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »
This informational bulletin aids the technician on diagnosing possible vibrations in a vehicle, methods used for testing each scenario and documenting findings. Read More »
This Preliminary Information communication provides information to the technician about removing the tinnerman push nuts when installing the accessory Accessory 22" Wheels Regular Production Option Code (SES, SEU, SEY, OR SEZ) or ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a creak, click, pop, and or crack type noise from the front suspension or front frame area while making tight turns. Read More »
This Preliminary Information communication provides information to the technician about removing the tinnerman push nuts when installing the accessory 22" 6-Spoke Split Chrome Wheels Regular Production Option Code (SEU) or during any ... Read More »
This informational bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening or re-machining. Read More »
This informational bulletin provides information on chemical staining, pitting, and corrosion on wheels and the proper cleaners to use to fix the conditions due to multiple causes. Read More »
This informational bulletin provides information on the proper mounting paste to apply to tires when mounting and balancing them to prevent conditions like Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip ... Read More »
This warranty administration bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment. Read More »
This informational bulletin communicates comprehensive instructions to GM Dealers and authorized GM Accessory Distributor/Installers as to the proper methods for mounting, balancing, and installing accessory wheels and tires. Read More »
This informational bulletin provides information on chemical staining, pitting, corrosion and/or spotted appearance of chromed aluminum wheels, along with warranty information regarding these conditions. Read More »
This preliminary information bulletin provides information on how to remove stainless steel wheel nut caps with the matching depth of socket used on the wheel nut. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a repeat service 4 wheel drive message. Technician may find Diagnostic Trouble Codes C0398, C038D or C0397. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th ... Read More »
Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Read More »
Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Read More »
This informational bulletin provides additional information to the technician on how to check for Tire Radial Force Variations and the difference between balancing a flange and flangeless rim. Read More »
This informational bulletin provides technicians with ways to decrease the tire slipping on the rim and reduce to possible chances of the customers concerns over tire vibration are repair. Read More »
This informational bulletin provides technicians with ways to decrease the tire slipping on the rim and reduce to possible chances of the customers concerns over tire vibration are repair. Read More »
This informational bulletin provides technicians with ways to decrease the tire slipping on the rim and reduce to possible chances of the customers concerns over tire vibration are repair. Read More »
This informational bulletin provides technicians with ways to decrease the tire slipping on the rim and reduce to possible chances of the customers concerns over tire vibration are repair. Read More »
This technical bulletin provides a procedure on cleaning a leaking rim, to correct a customers concern of having a slow tire leak and low tire psi message on. Read More »
This Preliminary Information communication provides information to the technician about removing the tinnerman push nuts when installing the accessory Accessory 22" Wheels Regular Production Option Code (SES, SEU, SEY, OR SEZ) or ... Read More »
This Preliminary Information communication advises the technician that generation 5 engines with Regular Production Option Code L83, L86, or LV3 may have an oil consumption concern were one quart in 2000 miles is being used. Read More »
This Preliminary Information communication provides information to the technician that replacement transfer case halves will not be threaded. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th ... Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when ... Read More »
This Preliminary Information communication provides information to the technician that a customer may request the factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Read More »
This Preliminary Information communication provides information to the technician that a customer may request the factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Read More »
This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup ... Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" or "Service Trailer Brake" message on the Driver ... Read More »
This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup ... Read More »
This technical bulletin provides repair information to correct a customer concern of carpet damage, seat mounting stud wear through, hole in second row (Intermediate) carpet. Read More »
This technical bulletin provides repair information to correct a customer concern of carpet damage, seat mounting stud wear through, hole in second row (Intermediate) carpet. Read More »
This Preliminary Information communication provides information to the technician only to provide additional tips when diagnosing a front heated seat concern and is not meant to be a diagnostic flow chart or replace Service Information. Read More »
This technical bulletin provides repair information to correct a customer concern of front seat lateral movement and/or click type noise while driving. Read More »
This technical bulletin provides repair information to correct a customer concern of front seat lateral movement and/or click type noise while driving. Read More »
This informational bulletin provides information for information on passenger presence sensing system (PPS or PSS) concerns with custom upholstery, accessory seat heaters or other comfort enhancing devices. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have a rattle noise from the second row seat. Read More »
This Preliminary information communicates a diagnostic tip for an issues with the heated and/or vented seats turning off and setting DTCU1524 because of a loss of voltage to the Seat Heating Control Module. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have a front driver's or passenger's seat back may lean or be turned outward. Read More »
This Preliminary Information communication provides information to the technician only to provide additional tips when diagnosing a front heated seat concern and is not meant to be a diagnostic flow chart or replace Service Information. Read More »
This technical bulletin provides repair information to correct a customer concern of carpet damage, seat mounting stud wear through, hole in second row (Intermediate) carpet. Read More »
This preliminary informational bulletin provides repair information to correct a customer concern of warm air exhausting from driver and/or passenger front seat back into 2nd row seating area causing occupant discomfort. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an excessive lateral driver or passenger seat movement and/or a clunk/click/pop type feeling or noise. Read More »
This Preliminary Information communication provides information to the technician only to provide additional tips when diagnosing a front heated seat concern and is not meant to be a diagnostic flow chart or replace Service Information. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have a rattle noise from the second row seat. Read More »
THIS ENGINEERING INFORMATIONAL BULLETIN IS REQUESTING INFORMATION FROM THE FIELD WITH THE CONDITONS OF A RATTLE NOISE ORIGINATING FROM THE SECOND ROW SEAT. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO REPAIR THE CONCERN OF THE VEHICLE'S FRONT SEAT APPEARS TO BE TOO FAR FORWARD. Read More »
This Preliminary Information communication provides information to the technician about the vehicles equipped with power folding 3rd row seat and how to diagnosis and repair seats that do not fold down completely or the 60% side does not ... Read More »
This informational bulletin provides Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices Read More »
This informational bulletin provides dealership personnel with information on interior cleaning of Instrument Panel (IP), hard or plastic surfaces, seats, carpet, leather, vinyl, fabric cleaner, stain remover, restorer and product ... Read More »
This Preliminary Information communication provides information to the technician only to provide additional tips when diagnosing a front heated seat concern and is not meant to be a diagnostic flow chart or replace Service Information. Read More »
This Preliminary Information communication provides information to the technician for vehicles that exhibit a driver?s power memory seat and power adjustable pedals inoperative. Read More »
14281 - CUSTOMER SATISFACTION PROGRAM. CERTAIN 2014-2015 MODEL YEAR CHEVROLET SILVERADO, SUBURBAN, AND TAHOE MODEL VEHICLES AND 2014-2015 MODEL YEAR GMC SIERRA AND YUKON MODEL VEHICLES EQUIPPED WITH A DEALER INSTALLED REAR ENTERTAINMENT ... Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have a front driver's or passenger's seat back may lean or be turned outward. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have the driver's power seat or the memory seat functions become inoperative. Read More »
This preliminary information provides a procedure to apply grease to the seat track to correct the costomer concern of excessive movement and a click noise while driving. Read More »
This preliminary informational bulletin provides a procedure for the technician to test the power seats, the outside power mirriors, shorts in the wiring and the MSM, and reprogram the module if shorts weren't found, for the customers ... Read More »
This preliminary informational bulletin provides a procedure for the technician to test the power seats, the outside power mirriors, shorts in the wiring and the MSM, and reprogram the module if shorts weren't found, for the customers ... Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have a rattle noise from the second row seat. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have a front driver's or passenger's seat back may lean or be turned outward. Read More »
17018-Customer Satisfaction Program. Certain vehicles, equipped with power front passenger seat adjuster that was previously replaced, may have a condition in which the front passenger seat can be adjusted to a position beyond the ... Read More »
This Preliminary Information communication provides information to the technician for vehicles that exhibit a driver?s power memory seat and power adjustable pedals inoperative. Read More »
This Preliminary Information communication provides information to the technician of addition information when diagnosing a service driver assist message with a diagnostic trouble code B172E and or a B172F. Read More »
This preliminary informational bulletin provides a procedure for the technician to test the power seats, the outside power mirriors, shorts in the wiring and the MSM, and reprogram the module if shorts weren't found, for the customers ... Read More »
This preliminary informational bulletin provides a procedure for the technician to test the power seats, the outside power mirriors, shorts in the wiring and the MSM, and reprogram the module if shorts weren't found, for the customers ... Read More »
This preliminary informational bulletin provides a procedure for the technician to test the power seats, the outside power mirriors, shorts in the wiring and the MSM, and reprogram the module if shorts weren't found, for the customers ... Read More »
This Preliminary Information communication provides information to the technician only to provide additional tips when diagnosing a front heated seat concern and is not meant to be a diagnostic flow chart or replace Service Information. Read More »
This preliminary informational bulletin provides repair information to correct a customer concern of warm air exhausting from driver and/or passenger front seat back into 2nd row seating area causing occupant discomfort. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a dead battery after sitting for more than 20 days. Read More »
This informational bulletin provides Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE A RATTLE NOISE FROM THE SECOND ROW SEAT. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information ... Read More »
This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »
This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Read More »
This information bulletin explains the use of drilling high strength steel in a collision repair and the GM recommended CryoCobalt Drill bit. Read More »
FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
This Preliminary information communicates a Service Adaptive Cruise With DTC C018C SYM3A After Replacing K14 Distance Sensing Cruise Control Module and provides tips for completing all necessary steps and to contact TCSC if configuration ... Read More »
FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA
This Preliminary Information communication provides information to the technician about vehicles that the radio will lose audio except warning chimes and become inoperative after using Siri. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Read More »
This Preliminary Information communication provides information to the technician about vehicles thatmay have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have that may have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have the rear vision camera system displaying "Rear Park Assist Symbols Unavailable" and the steering grid lines displayed do not ... Read More »
This Preliminary Information communication provides information to the technician about vehicles thatmay have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Read More »
This Preliminary information communicates instructions dealer to inspect for a broken or damaged side objector sensor/module bracket if there is a "Side Detection System Unavailable" message displayed at startup. Read More »
This Preliminary Information communication provides information to the technician about vehicles thatmay have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Read More »
This Preliminary Information communication provides information to the technician about vehicles thatmay have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. Read More »
This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area. Read More »
This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »
This Preliminary information communicates repair information for the rear vision camera or surround vision camera image being: - Yellow - Blurry - Distorted - Image scrolling - Image with NO gridlines - Screen is blue with ... Read More »
This Preliminary information communicates instructions dealer to inspect for a broken or damaged side objector sensor/module bracket if there is a "Side Detection System Unavailable" message displayed at startup. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Harsh Shift 1/2 and 2/3 and Sputter Applying Throttle Between 0 and 30%, Rough idle. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have that may have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Read More »
This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL on. Read More »
This preliminary informational bulletin provides repair information for a customer concern of intermittent clicking/rubbing noise when side door glass is moving up or down at cold temperatures. Read More »
This preliminary informational bulletin provides repair information to correct customer concerns about blank screen after startup and reverse, rear view camera message on, touch screen inoperable, Bluetooth and navigation concerns. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have intermittent and hard to duplicate Rear Camera blank, distorted, or fuzzy. Read More »
This information bulletin provides additional information to the technician on how to diagnose possible normal engine noise during a cold star and a warm engine operation. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a diagnostic trouble code U0159 set in the instrument panel cluster and /or the body control module. Read More »
This Preliminary information communicates repair information for therear vision camera or surround vision camera image being: - Yellow - Blurry -Distorted - Image scrolling - Image with NO gridlines - Screen is blue with ... Read More »
This Preliminary Information communication provides information to the technician about the rear view camera options on the vehicles equipped with rear view camera. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have intermittent and hard to duplicate Rear Camera blank, distorted, or fuzzy. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have the rear vision camera system displaying "Rear Park Assist Symbols Unavailable" and the steering grid lines displayed do not ... Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have intermittent and hard to duplicate Rear Camera blank, distorted, or fuzzy. Read More »
This Preliminary information communicates repair information for the rear vision camera or surround vision camera image being: - Yellow - Blurry - Distorted - Image scrolling - Image with NO gridlines - Screen is blue with ... Read More »
This Preliminary information communicates repair information for therear vision camera or surround vision camera image being: - Yellow - Blurry -Distorted - Image scrolling - Image with NO gridlines - Screen is blue with ... Read More »
This technical bulletin provides a procedure to reprogram the radio to correct a customer concern of radio Inoperative, blue Screen, AM clipping noise, HD on/off status not retained in stations, time lag on transitions, no audio with ... Read More »
This preliminary informational bulletin provides repair information to correct customer concerns about blank screen after startup and reverse, rear view camera message on, touch screen inoperable, Bluetooth and navigation concerns. Read More »
This preliminary informational bulletin provides repair information to correct customer concerns about blank screen after startup and reverse, rear view camera message on, touch screen inoperable, Bluetooth and navigation concerns. Read More »
This Preliminary Information communication provides information to the technician about vehicles that when the dome lamps are off, if the brake pedal is applied or turn signal is operated, the dome lamp will flash on and off. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the blower motor may be noisy or vibrate when running. Read More »
This Preliminary information communicates repair information for therear vision camera or surround vision camera image being: - Yellow - Blurry -Distorted - Image scrolling - Image with NO gridlines - Screen is blue with ... Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed. Read More »
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. Read More »
This information bulletin advises the technician the difference between a welch cap leak and the output seal of the t-case or transmission leaking ATF, causing the customer concern of a Red Fluid Leak from Center of Vehicle Located by ... Read More »
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »
This Warranty Administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment. Read More »
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »
This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. Read More »
This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE) Tires and PDI installed Limited Production Option (LPO) Tires. Read More »
This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint. GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY). Read More »
This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM. Read More »
This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center. Read More »
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Read More »
This Preliminary information communicates A vehicle may have a need for Camshaft replacement or have misfires on non AFM cylinders after the camshaft was replaced. Read More »
This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Read More »
This Preliminary information communicates if the sunroof, rear sliding window, and/or wireless charging are found to be inoperative due to the F2DL and/or the F8DL fuse(s) being open. Read More »
This service bulletin provides information regarding Witness Marks from Panel Adjustments Made During Manufacturing and that it is considered a normal condition. Read More »
This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »
This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
This Preliminary information communicates the use of Winter grade fuel during the warm months of 2020 and the potential rivability issues that it can cause. Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »
This preliminary information bulletin provides a procedure for radiator and engine coolant thermostat replacement to eliminate coolant smell and/or a slight leak at the radiator. Read More »
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »
This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto ... Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a buffeting vibration and/or drone type noise, exhaust tone change, and/or body pressure booming. Read More »
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »
This warranty administration bulletin provides information on Warranty Administration - Customer Concern Not Duplicated (CCND) Labor Operation Numbers. Read More »
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »
This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. Read More »
This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Read More »
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »
This Bulletin provides the technician with information on how to perform a oil consumption test and a procedure to replace the pistons if found the cause of the oil consumption. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This technical bulletin provides repair information to correct a customer concern of carpet damage, seat mounting stud wear through, hole in second row (Intermediate) carpet. Read More »
This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »
This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? ... Read More »
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »
This Preliminary information communicates instructions dealer to inspect for a broken or damaged side objector sensor/module bracket if there is a "Side Detection System Unavailable" message displayed at startup. Read More »
This informational bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »
This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. Read More »
This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Read More »
This informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »
This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment. Read More »
This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the ... Read More »
This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »
This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961). Read More »
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »
This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »
This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »
This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part Number in eSI and how to locate the part(s) in the EPC. Read More »
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Read More »
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »
This technical bulletin provides repair information to correct a customer concern of carpet damage, seat mounting stud wear through, hole in second row (Intermediate) carpet. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This warranty administration bulletin provide policy information to cover GM's policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada. Read More »
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Read More »
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »
This Preliminary Information communication provides information to the technician about vehicles that the Navigation radio does not have a global positioning system location but OnStar is able to accurately locate the vehicle. Read More »
This informational bulletin provides diagnostic/inspection information for the air box and air filter seal to correct a MIL and DTCs P0420 and P0430 setting. Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This informational bulletin explains the normal characteristics of exhaust noise during active fuel management when in Three or Four Cylinder Mode. Read More »
This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL on. Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »
This informational bulletin provides a listing of the parts availability for coax repair procedures and what is needed to complete some repairs. Read More »
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »
This Preliminary Information communicates an issues with the headliner sagging and how to reattach the velcro using Hardman Double Bubble Epoxy part number 04001. Read More »
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a “Service 4WD Message” displayed in the Driver Information Center. Read More »
This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have the oil pressure gauge jumps from approximately 40 lb. to 60 lb. The 4.3L (LV3), 5.3L (L83), 6. Read More »
This Preliminary Information communication provides information to the technician the steps to diagnose and repair the concern of the display is showing 32° F (0° C) after a battery or reprogramming a module. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have a front driver's or passenger's seat back may lean or be turned outward. Read More »
This Preliminary information communicates information to have dealers contact TCSC for programming assistance with new amplifier part numbers until all the new amplifier numbers are setup correctly for programming. Read More »
This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Read More »
This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. Read More »
This informational bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim. Read More »
This informational bulletin provides information to dealership personnel on policies regarding a Product Assistance Claim (PAC) within the Courtesy Transportation Assistance Program. Read More »
This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the transport mode message on and off. Read More »
This preliminary informational bulletin provides repair information to correct a customer concern of warm air exhausting from driver and/or passenger front seat back into 2nd row seating area causing occupant discomfort. Read More »
This technical bulletin provides repair information to correct customer concerns of OnStar, XM, GPS or antenna malfunction ? may set DTC B2462, B2470 or B125C - and/or water leak on headliner at sun visor or overhead console areas, ... Read More »
This Preliminary Information communication advises the technician that some vehicles may have a dim Driver Information Center when the interior of the vehicle is hot from a sun load or extended heater operation. Read More »
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »
This informational bulletin provides information on dealer responsibility for cargo carrying capacity labeling and the part numbers for the labels. Read More »
This technical bulletin provides a procedure to clear the codes and re-evaluate the XM radio channels to correct a condition of audio muting when listening to some Sirius XM channels but if they change channels they will find others that ... Read More »
This informational bulletin provides information to dealership personnel on automatic transmission shift and engine drivability concerns and/or MIL ON due to aftermarket oil bath air filter use. Read More »
This technical bulletin provides repair information for installing a new stabilizer shaft bracket to correct a customer concern of on a clunking noise originating from the front of the vehicle that is more predominant during turns or ... Read More »
This technical bulletin provides repair information to correct customer concerns of OnStar, XM, GPS or antenna malfunction ? may set DTC B2462, B2470 or B125C - and/or water leak on headliner at sun visor or overhead console areas, ... Read More »
This informational bulletin provides a listing of the parts availability for coax repair procedures and what is needed to complete some repairs. Read More »
This Preliminary Information communicates an issues with the headliner sagging and how to reattachthe velcrousing Hardman Double Bubble Epoxy part number 04001. Read More »
This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only). Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information ... Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This informational bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered seepage. Read More »
Information for Fleet Vehicles ? Ignition Key, Fob and Key Rings Configuration Some Customers are bundling multiple keys, fobs, and key tags together on a single crimped loop or a cable. Read More »
Information for Fleet Vehicles ? Ignition Key, Fob and Key Rings Configuration Some Customers are bundling multiple keys, fobs, and key tags together on a single crimped loop or a cable. Read More »
This Preliminary Information communication provides information to the technician about vehicles that will have an intermittent pop noise from the speakers followed by a reset of the radio and clock. Read More »
This technical bulletin provides repair information to correct a customer concern of carpet damage, seat mounting stud wear through, hole in second row (Intermediate) carpet. Read More »
This Preliminary Information communication advises the technician that the door striker cover will be shipped with the vehicle from the assembly plant. Read More »
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. Read More »
This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related ... Read More »
This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Read More »
This Preliminary Information communication advises the technician that Diagnostic Trouble Code B127E in the Human Machine Interface with Regular Production Option Code U42 or UWG will be current when playing a DVD or Blu-Ray on the ... Read More »
This warranty administration bulletin provide policy information on warranty and policy exchange program for electronic products for U.S. and Canada dealers only. Read More »
This informational bulletin provides warranty policy information on revised wiring repair labor operations and required additional information. Read More »
This Preliminary information communicatesIn ambient temperatures 100F (37.7 C)degrees or higher, DTCs P2635 and/or P018B may set.The vehicle may also exhibit a hesitation or stalling condition. Read More »
15086A - Customer Satisfaction Program. On certain passenger cars and light duty trucks, equipped with Gen 10 OnStar?, the embedded phone flash memory chip may become corrupted, causing the OnStar? system to become inoperative. Read More »
This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up. Read More »
This preliminary informational bulletin provides technicians with information on the normal condition of white, milky or cloudy appearance of front differential fluid. Read More »
This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Read More »
This engineering information bulletin is ending the need for information on vehicles with the condition of Vehicle Crank with No Start or Stalling with DTC P0011 and/or P00C6 Set. Read More »
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage). Read More »
This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE DOOR STRIKER COVER WILL BE SHIPPED WITH THE VEHICLE FROM THE ASSEMBLY PLANT. Read More »
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION FOR IGNITION KEY, FOB, KEY TAGS AND KEY RINGS CONFIGURATION FOR VARIOUS VEHICLES AND APPLYING A QR CODE STICKER OR BARCODE STICKER TO THE FOB. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT SOME VEHICLES MAY HAVE A DIM DRIVER INFORMATION CENTER WHEN THE INTERIOR OF THE VEHICLE IS HOT FROM A SUN LOAD OR EXTENDED HEATER OPERATION. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REMOVE THE TRANSPORT MODE ON MESSAGE DISPLAYED IN THE DIC DUE TO VEHICLES SHIPPED OVER LONG DISTANCES OUTSIDE THE U.S. AND CANADA. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH A DIAGNOSTIC AID FOR IDENTIFYING INFOTAINMENT COMPONENTS ON THE VEHICLES TO ENSURE THAT THE CORRECT COMPONENT IS ORDERED OR REPLACED AND THE CORRECT LABOR CODE IS ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT A NOISE OR A VIBRATION IN THE VEHICLE THAT SEEMS TO BE ABNORMAL MAY NOT HAVE BEEN THERE WHEN THE VEHICLE WAS PURCHASED. Read More »
This warranty administration bulletin provides information on GM?s policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada. Read More »
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON HOW TO INSPECT THE UPPER VALVE BODY TO DETERMINE THE CORRECT RPO USAGE TO CORRECT A CONCERN THAT AFTER INSTALLATION OF A REPLACEMENT UPPER VALVE BODY, THE TRANSMISSION MAY HAVE NO ... Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE RADIO TO CORRECT A CUSTOMER CONCERN THAT THERE IS A LOW-VOLUME, REPETITIVE TICKING NOISE COMING FROM ALL SPEAKERS DUE TO THE CURRENT RADIO SOFTWARE. Read More »
THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES INFORMATION THAT MAY BE HELPFUL WHEN ADDRESSING UNDERBODY COMPONENT CORROSION WITH CUSTOMERS. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION IS TO CONTACT GM TECHNICAL ASSISTANCE CENTER TO REPORT THE CONCERN AND OBTAIN A CASE NUMBER. THE CUSTOMER IS UNABLE TO SELECT RADIO PRESETS FROM THE USB OR SD CARD AS THEY ARE GREYED OUT. Read More »
This informational bulletin provides information on Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS NEED TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE RATTLE OR BUZZ NOISE FROM THE REAR OF THE VEHICLE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLE THAT MAY HAVE WIND WHISTLE NOISE HEARD FROM THE RIGHT OR LEFT REAR QUARTER GLASS AREA WHEN DRIVING AT HIGHWAY SPEEDS OR WITH A CROSS WIND. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS NEEDED TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE A RATTLE NOISE FROM THE DASH. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT FINDING NEEDLE BEARINGS DURING AN OIL CHANGE. TECHNICIAN WILL GAIN ACCESS TO THE ROLLER ROCKERS TO INSPECT THEM. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLES MAY HAVE A HIGH PITCHED WHINE NOISE FROM THE VEHICLE NOTICED WHEN DRIVING IN AUTO 4WD. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT AFTER REPLACING THE INSTRUMENT PANEL CLUSTER THE EXCHANGE CENTER IS UNABLE TO PROGRAM THE ACTUAL MILEAGE ON THE ODOMETER OR THE ACTUAL MILEAGE IS ... Read More »
15577 - CUSTOMER SATISFACTION PROGRAM. VEHICLES HAVE AN INCORRECT ELECTRICAL CIRCUIT LABEL ON THE INSTRUMENT PANEL LEFT END CAP COVER THAT SHOWS FOUR INCORRECT FUSE POSITIONS. Read More »
This informational bulletin provides information for technicians on the reuse of fasteners and the proper reading of torque specifications. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the ... Read More »
This Preliminary Information communication provides information to the technician about being to achieve pre-load when setting up the pinion bearing pre-loads during reassembly of the 9.5/9.76 inch rear axles. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the lift-gate actuator or strut that is going to be removed or replaced. Read More »
15155 - CUSTOMER SATISFACTION PROGRAM. CERTAIN 2015 MODEL YEAR CADILLAC ESCALADE, CADILLAC ESCALADE ESV, CHEVROLET SILVERADO CREW CAB, CHEVROLET SUBURBAN, CHEVROLET TAHOE, GMC SIERRA CREW CAB, GMC YUKON, AND GMC YUKON XL VEHICLES MAY ... Read More »
This informational bulletin provides dealership personnel with information on new vehicle Pre-Delivery Inspection (PDI) process and to encourage delivering quality vehicles and generating higher CSi scores. Read More »
This informational bulletin provides dealership personnel with information on interior cleaning of Instrument Panel (IP), hard or plastic surfaces, seats, carpet, leather, vinyl, fabric cleaner, stain remover, restorer and product ... Read More »
This informational bulletin provides information to dealership personnel regarding warranty codes generated by EL-50313 Midtronics GR8 Battery Tester/Charger required for claim processing on labor operations 4041510, 4041520 and 250 ... Read More »
GENERAL MOTORS: TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. ON CERTAIN TRUCKS AND VEHICLES, THE ONSTAR SYSTEM IS INOPERATIVE DUE TO EMBEDDED PHONE FLASH MEMORY CHIP AND VEHICLE COMMUNICATION ... Read More »
GMC/CHEVROLET: SOME TRUCKS WILL EXPERIENCE A HIGH RESISTANCE IN WIRING HARNESS CONNECTORS CAUSING SERVICE AIR BAG MESSAGE TO BE DISPLAYED IN DRIVER INFORMATION CENTER (DIC). Read More »
This preliminary informational bulletin provides repair information to correct a customer concern of wind noise generating from accessory roof cross rails. Read More »
This preliminary informational bulletin provides repair information to correct a customer concern of Iitermittently key will not rotate in door or ignition lock cylinder. Read More »
This preliminary informational bulletin provides repair information for a customer concern of intermittent clicking/rubbing noise when side door glass is moving up or down at cold temperatures. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may OnStar inoperative and Navigation/GPS/Compass issues. Technician may find Diagnostic Trouble Codes B101D sym 3C and or F0. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have the OnStar wireless fidelity inoperative. Read More »
This Preliminary Information communication provides information to the technician about vehicles with various Heater-Vent-Air Conditioning concerns. Read More »
This warranty administration bulletin provides retail and wholesale service personnel with the policies and the warranty claims submission procedures that support Labor Operation 0600014 ? Suspected Tampering or Vehicle Modifications. Read More »
This informational bulletin provides dealership personnel information on unscheduled supplemental services (including flushing services and additives) and proper use of GM simplified maintenance schedules (Canada only). Read More »
This informational bulletin provides information on the PQC assembly replacement process - for dealers required to contact PQC prior to replacing an assembly (U.S. and Canada only). Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. Read More »
This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW THE RADIO DISPLAY GETS THE AIR AMBIENT TEMPERATURE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE E92 ECM RESTRICTION PART NUMBER 12662034 WILL BE PLACED ON RESTRICTION THROUGH THE GENERAL MOTORS PRODUCT QUALITY CENTER. Read More »
This informational bulletin provides information to correct a dealer concern of what they perceive to be paint staining when the protective shipping film is removed from certain vehicles. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW THE RADIO DISPLAY GETS THE AIR AMBIENT TEMPERATURE. Read More »
This preliminary informational bulletin provides information that accessory remote start does not work with OnStar RemoteLink? phone application. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have oil leak after the balancer is removed or replaced. Read More »
This Preliminary Information communication provides information to the technician that before calling General Motors Technical Assistance Center for assistance, there is some basic diagnostic information that must be obtained in order for ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that when the dome lamps are off, if the brake pedal is applied or turn signal is operated, the dome lamp will flash on and off. Read More »
14541 - CUSTOMER SATISFACTION. IF CERTAIN VEHICLES ARE DINGHY TOWED, THEIR TRANSFER CASE MAY BECOME LOCKED IN NEUTRAL WHEN PREPARING TO DISCONNECT THE VEHICLE ACCORDING TO THE PROCEDURES IN THE OWNER MANUAL. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have that the USB port is inoperative or they receive a message of ?No other media available? when pressing the Media button. Read More »
This Preliminary Information communication provides information to the technician about vehicles that when the dome lamps are off, if the brake pedal is applied or turn signal is operated, the dome lamp will flash on and off. Read More »
This informational bulletin provides the technician on what to do if the customer has a navagation concern and submit a feedback form to the GM navigation disc center website. Read More »
THIS PRELIMINARY BULLETIN IS TO INFORM DEALERSHIP PERSONNEL THAT THE ORIGINAL EQUIPPED FASCIA DOES NOT HAVE THE PROPER CLOSE-OUT TO ACCOMMODATE THE ACCESSORY TOW HOOKS. Read More »
This preliminary bulletin provides a procedure to replace the windshild to correct the customers concern of a loose mirrior and/or bracket fell off. Read More »
GMC/CHEVROLET: TRUCKS WITH INTEGRATED TRAILER BRAKE CONTROLLER (ITBC) MAY RECEIVED AN INTERMITTENT CHECK TRAILER WIRING, AND/OR SERVICE TRAILER BRAKE MESSAGE WITH DIAGNOSTIC TROUBLE CODE (DTC) C1114 AND HAVE ITBC CONNECTION CHECKED. Read More »
This informational bulletin provides technicians with ways to decrease the tire slipping on the rim and reduce to possible chances of the customers concerns over tire vibration are repair. Read More »
This preliminary informational bulletin provides a procedure for the technician to test the power seats, the outside power mirriors, shorts in the wiring and the MSM, and reprogram the module if shorts weren't found, for the customers ... Read More »
This information bulletin provides additional information to the technician on how to diagnose possible normal engine noise during a cold star and a warm engine operation. Read More »
This Technical bulletin provides a procedure to request a hard mute from Onstar when navigation is annoucing directions and to correct the customers concern of the radio being loud during navigation. Read More »
This Technical bulletin provides a procedure to request a hard mute from Onstar when navigation is annoucing directions and to correct the customers concern of the radio being loud during navigation. Read More »
This information for Warranty administration - Changes the Service Policy and Procedures Section 1.6.2.11 and list the requirements for the dealer to comply. Read More »
This information for Warranty administration - Changes the Service Policy and Procedures Section 1.6.2.11 and list the requirements for the dealer to comply. Read More »
This Preliminary Information communication provides information to the technician on the step to diagnose and repair vehicles with a CD or DVD player that will not take a disc. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have a "No Remote Detected" message will display on the DIC and the engine will not crank or while trying to shut the vehicle off, a ... Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have wind whistle noise heard from the right or left rear quarter glass area when driving at highway speeds or with a cross wind. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may not receiving all channels on the XM band. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have intermittent and hard to duplicate Rear Camera blank, distorted, or fuzzy. Read More »
This Preliminary Information communication provides information to the technician on the step to diagnose and repair vehicles with a CD or DVD player that will not take a disc. Read More »
This informational bulletin provides the technician with information on tire radial force variations and how to balance a tire using the balancer. Read More »
This informational bulletin explains if the fuse is open when the customer plugs in the trailer, that it may be the cause if diagnostics finds no problems to that point. Read More »
This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary. Read More »
This preliminary bulletin states to add the DTC symptom byte to the documentation to help aid engineering pinpoint concerns when trying to locate a root cause. Read More »
This informational bulletin provides information to the technician on what parts of an engine or transmission will require the PQC to be notified. Read More »
This Preliminary Information communication provides information to the technician about vehicles with erratic or hesitation when opening and closing the power lift gate. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a wind whistle noise from the front end while driving at highway speeds. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. Read More »
This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Read More »
This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary. Read More »
This preliminary bulletin provides a repair to replace the windshield to fix the customers concern of the inside rearview mirrior loose or fell off with bracket. Read More »
This Preliminary Information communication advises the technician that the door striker cover will be shipped with the vehicle from the assembly plant. Read More »
Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Read More »
Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Read More »
This informational bulletin provides information for the dealer technician to gather as much information to help aid Engineers by completely filling out requested reports. Read More »
This informational bulletin was created to inform that any accessories that are install from the GM factory will be covered under the standard vehicle warranty and dealer installed accessories will be cover for a full year (12months). Read More »
This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only). Read More »
This technical bulletin provides repair information to correct a customer concern of Loss of Radio Audio Shortly After an OnStar In-Vehicle Voice Message Is Heard. Read More »
This Preliminary Information communication advises the technician that some vehicles may have a dim Driver Information Center when the interior of the vehicle is hot from a sun load or extended heater operation. Read More »
This warranty administration bulletin explains to the technician that when using wiring repair labor operations, additional information may be needed when submitting Global Warranty transactions when doing wiring repairs. Read More »
This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. Read More »
This technical bulletin provides a procedure to replace the radio for vehicles with the condition of Intermittent Pop Noise from the Speakers Followed by a Reset of the Radio and Clock due to a software issue. Read More »
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the Navigation radio does not have a global positioning system location but OnStar is able to accurately locate the vehicle. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This Preliminary Information communication advises the technician that some vehicles may have a dim Driver Information Center when the interior of the vehicle is hot from a sun load or extended heater operation. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a “Service 4WD Message” displayed in the Driver Information Center. Read More »
This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Read More »
This Preliminary information communicates instructions dealer to inspect for a broken or damaged side objector sensor/module bracket if there is a "Side Detection System Unavailable" message displayed at startup. Read More »
This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of ... Read More »
This Preliminary Information communication advises the technician how to determine if the vehicle is equipped with wireless fidelity. Technician should check the Regular Production Option Code list for (VV4). Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a clock that is slow to update while driving when the clock auto set feature enabled. Read More »
This informational bulletin provides information for the technicians on multi-media infotainment tester (MIT), does not function properly when diagnosing infotainment complaints, which may lead to mis-diagnosis. Read More »
This technical bulletin provides repair information to correct customer concerns of OnStar, XM, GPS or antenna malfunction ? may set DTC B2462, B2470 or B125C - and/or water leak on headliner at sun visor or overhead console areas, ... Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Read More »
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
This Preliminary Information communication advises the technician that Diagnostic Trouble Code B127E in the Human Machine Interface with Regular Production Option Code U42 or UWG will be current when playing a DVD or Blu-Ray on the ... Read More »
This Preliminary Information communication provides information to the technician about customers that may complain of various concerns when using Bluetooth components. Read More »
44180 02 - Customer Satisfaction. Certain vehicles may have key codes which were inappropriately handled by a third party which could increase the risk of vehicle theft. Read More »
This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. Read More »
This Preliminary Information communication provides information to the technician on the step to diagnose and repair vehicles with a CD or DVD player that will not take a disc. Read More »
This Preliminary Information communication advises the technician that some vehicles may have a dim Driver Information Center when the interior of the vehicle is hot from a sun load or extended heater operation. Read More »
This Preliminary Information communication advises the technician how determine if the vehicle is equipped with wireless fidelity. Technician should check the Regular Production Option Code list for (VV4). Read More »
This informational bulletin provides information to replace the propeller shaft if technicians find a broken propeller shaft or U-joint due to different causes. Read More »
This technical bulletin provides a procedure to reprogram the radio to correct a customer concern of radio Inoperative, blue Screen, AM clipping noise, HD on/off status not retained in stations, time lag on transitions, no audio with ... Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO INSTALL A NEW FOAM PATCH OVER THE MICROPHONE TO CORRECT A CUSTOMER CONCERN THAT WHEN USING THE BLUETOOTH? PHONE SYSTEM IN THEIR VEHICLE, THE PERSON ON THE RECEIVING END OF A MOBILE TELEPHONE ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN TO DIAGNOSE THE CONCERN AND THE STEPS TO REPAIR THE CONCERN. THE VEHICLE'S XM TRAVEL LINK MAY BE INOPERTIVE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION FOR THE DEALER TO PLEASE COMMUNICATE TO THE CUSTOMER THIS CONDITION IS A NORMAL OPERATING CHARACTERISTIC OF THEIR VEHICLE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION IS TO CONTACT GM TECHNICAL ASSISTANCE CENTER TO REPORT THE CONCERN AND OBTAIN A CASE NUMBER. THE CUSTOMER IS UNABLE TO SELECT RADIO PRESETS FROM THE USB OR SD CARD AS THEY ARE GREYED OUT. Read More »
This Preliminary Information communication advises the technician after the OnStar Canada upgrade the OnStar Vehicle Diagnostic Email report is inoperative. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Read More »
This informational bulletin provides Information Regarding Servicing Components Located Near SIR Components and how to properly disable the SIR system for repairs at or near Read More »
This informational bulletin provides information on Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM) (GMNA Only) Read More »
This technical bulletin provides a procedure to update your apple product to the latest software version to correct a condition of infotainment system will not return to media after bluetooth call ... Read More »
This informational bulletin provides information regarding Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules Read More »
This informational bulletin provides information to dealership personnel regarding original equipment battery part numbers and AC Delco replacement battery approved warranty part numbers. Read More »
This preliminary informational bulletin provides repair information to correct customer concerns about blank screen after startup and reverse, rear view camera message on, touch screen inoperable, Bluetooth and navigation concerns. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information ... Read More »
This Preliminary Information communication provides information to the technician with tips on the Text Messaging feature that is available on some newer General Motors infotainment systems. Read More »
This preliminary informational bulletin adds the 2014 - 2016 model years to cleaning information to correct a customer concern of seeing a white film/residue on the IP pad and/or door trim panels. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Read More »
This engineering information bulletin announces the end of need for information from the field regarding a customer concern that one or more key transmitter(s) inoperative/not detected or passive entry inoperative while transmitter ... Read More »
This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. Read More »
This Preliminary Information communication provides information to the technician of an engine power reduced message on the driver information center after performing the Canada Onstar? 4G upgrade. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport ... Read More »
This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Read More »
This informational bulletin adds the 2014 and 2015 model years to information of a language change for OnStar System (U.S. and Canada only). Read More »
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
This informational bulletin provides information on the Product Quality Center (PQC) assembly replacement process for Service Agents not required to contact PQC prior to assembly replacement. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have the alarm sounding when learning new key fobs after the original key fobs were lost. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have the OnStar wireless fidelity inoperative. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a content theft alarm sounding for no apparent reason. Read More »
This preliminary informational bulletin provides radio programming information to correct customer concerns about no XM audio or time shift, radio lock-up, slow response, vertical line between clock and temperature, poor FM reception ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Read More »
This preliminary informational bulletin provides repair information to correct customer concerns about blank display, NAV screen audio content is unavailable via speech recognition, display screen is stuck on incoming call view after ... Read More »
This preliminary informational bulletin adds the 2015 model year to repair information on correcting a customer concern of poor, limited, reduced Remote Keyless Entry (RKE) or Remote Vehicle Start (RVS) range. Read More »
This preliminary informational bulletin provides radio programming information to correct customer concerns about no XM audio or time shift, radio lock-up, slow response, vertical line between clock and temperature, poor FM reception ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THE STEPS NEEDED TO DIAGNOSE AND REPAIR THE VEHICLES THAT MAY HAVE UNWANTED OR PHANTOM PHONE CALLS. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Read More »
This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Read More »
This preliminary informational bulletin provides repair information to correct customer concerns about blank screen after startup and reverse, rear view camera message on, touch screen inoperable, Bluetooth and navigation concerns. Read More »
This preliminary informational bulletin provides repair information to correct customer concerns about blank display, NAV screen audio content is unavailable via speech recognition, display screen is stuck on incoming call view after ... Read More »
This preliminary information bulletin advises the technician that there is no update for the customers concerns of the GM remote start doesn't work with the Onstar remotelink phone application. Read More »
This Preliminary Information communication provides information to the technician about when listening to an iPod that the first song will still be displayed when the next song in the list is playing. Read More »
This Preliminary Information communication provides information to the technician about vehicles with a low-volume, repetitive ticking noise coming from all speakers that may be more noticeable when listening to talk radio where there are ... Read More »
This Preliminary Information communication provides information to the technician about when listening to an iPod that the first song will still be displayed when the next song in the list is playing. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have "Service Theft System" message on the Driver Information Center. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a repeat service 4 wheel drive message. Technician may find Diagnostic Trouble Codes C0398, C038D or C0397. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the navigation voice feedback is choppy, distorted, or garbled. Read More »
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that the voice recognition is inoperative. Technician will need to toggle through all languages then back to the desired language. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the voice recognition is inoperative. Technician will need to toggle through all languages then back to the desired language. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a repeat service 4 wheel drive message. Technician may find Diagnostic Trouble Codes C0398, C038D or C0397. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a transfer case that will not shift out of 4 wheel drive low or takes a long time to shift out of 4 wheel drive low. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a the AM or FM audio volume changes, mutes, echoes, cuts in and out, repeats broadcast content, or skips intermittently. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Read More »
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a message on the radio "maximum number of phones are currently paired to the vehicle". Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information ... Read More »
This Preliminary Information communication advises the technician that the Engine Control Module part numbers 12656993 and 12662034 are on part restriction through the General Motors Product Quality Center. Read More »
This Preliminary Information communication advises the technician that Diagnostic Trouble Code B127E in the Human Machine Interface with Regular Production Option Code U42 or UWG will be current when playing a DVD or Blu-Ray on the ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a blank display. Technician may find a Diagnostic Trouble Code U150F set. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have an air condition that has poor performance during high ambient temperatures. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information ... Read More »
This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the radio display does not always return to the previous source screen when a Bluetooth call has ended. Read More »
This Preliminary Information communication provides information to the technician the steps to diagnose and repair the concern of the display is showing 32? F (0? C) after a battery or reprogramming a module. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a touchscreen that is inaccurate or that the display does not seem to respond with the desired operation when pressed. Read More »
Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing (Follow Procedure as Outlined Below) Read More »
Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing (Follow Procedure as Outlined Below) Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a clock that is slow to update while driving when the clock auto set feature enabled. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have the alarm sounding when learning new key fobs after the original key fobs were lost. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have the alarm sounding when learning new key fobs after the original key fobs were lost. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a content theft alarm sounding for no apparent reason. Read More »
this informational bulletin provides Information on Using MyBuick, MyCadillac, MyChevrolet, and MyGMC Phone Applications to Control GM Accessory Remote Start Kits. Read More »
The information in this bulletin details the proper configurations for the ignition key, fob, key tags and key rings and applying a QR code sticker or barcode sticker to a key fob. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a content theft alarm sounding for no apparent reason. Read More »
This engineering information bulletin is requesting information from dealers on a customer concern that one or more key transmitter(s) inoperative/not detected or passive entry inoperative while transmitter functions operate as Intended. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a content theft alarm sounding for no apparent reason. Read More »
This informational bulletin provides information for fleet vehicles which details the proper configurations for the ignition key, fob, key tags and key rings. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have "Service Theft System" message on the Driver Information Center. Read More »
This technical bulletin provides repair information to correct a customer concern of Audio Muting When Listening to Some SiriusXM Channels Due to Interference in Some Geographic Locations. Read More »
This technical bulletin provides repair information to correct a customer concern of Audio Muting When Listening to Some SiriusXM Channels Due to Interference in Some Geographic Locations. Read More »
This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have intermittent and hard to duplicate Rear Camera blank, distorted, or fuzzy. Read More »
This technical bulletin provides a procedure to clear the codes and re-evaluate the XM radio channels to correct a condition of audio muting when listening to some Sirius XM channels but if they change channels they will find others that ... Read More »
This preliminary information bulletin provides a procedure on how to check for the customer concern of a blank radio with/without audio, by checking the the wiring harness, ECU and reprograming the HMI software update, if the wiring or ... Read More »
This Preliminary Information communication advises the technician that Diagnostic Trouble Code B127E in the Human Machine Interface with Regular Production Option Code U42 or UWG will be current when playing a DVD or Blu-Ray on the ... Read More »
This Preliminary Information communication provides information to the technician about the rear view camera options on the vehicles equipped with rear view camera. Read More »
This Preliminary Information communication provides information to the technician about vehicle that has no XM audio on certain channels but XM channel info is displayed. Read More »
This Preliminary Information communication provides information to the technician on the step to diagnose and repair vehicles with a CD or DVD player that will not take a disc. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a message on the radio ?maximum number of phones are currently paired to the vehicle?. Read More »
This Technical Bulletin provides a fix to reprogram the radio for vehicles that may experience any of the following conditions: DTC U0184 Set, Radio Inoperative, Blue Screen, AM Clipping Noise, HD On/Off Status Not Retained in Stations, ... Read More »
This technical bulletin provides a procedure to clear the codes and re-evaluate the XM radio channels to correct a condition of audio muting when listening to some Sirius XM channels but if they change channels they will find others that ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT THE RADIO WILL NOT SAVE XM FAVORITES. TECHNICIAN WILL NEED TO REPLACE THE RADIO TO ADDRESS THE CONCERN. Read More »
This technical bulletin provides a procedure to reprogram the radio to correct a customer concern of radio Inoperative, blue Screen, AM clipping noise, HD on/off status not retained in stations, time lag on transitions, no audio with ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN FOR A REDUCED POWER MESSAGE, STEERING ASSIST, ENGINE STALL OR THE INSTRUMENT PANEL, RADIO, AND OR HEATER-VENT-AIR CONDITIONING GO BLANK WITH MULTIPLE ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATES THE PROCEDURE TO THE TECHNICIAN HOW TO REGAIN BLU-RAY/CD/DVD PLAYER FUNCTION ON ALL NEW GENERATION INFOTAINMENT SYSTEMS WITH REGULAR PRODUCTION OPTION CODE U42 OR UWG BLU-RAY PLAYERS. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT DIAGNOSTIC TROUBLE CODE B127E IN THE HUMAN MACHINE INTERFACE WITH REGULAR PRODUCTION OPTION CODE U42 OR UWG WILL BE CURRENT WHEN PLAYING A DVD OR BLU-RAY ON THE ... Read More »
This technical bulletin provides a procedure to reprogram the radio to correct a customer concern of radio Inoperative, blue Screen, AM clipping noise, HD on/off status not retained in stations, time lag on transitions, no audio with ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF THE RADIO IS INOPERTIVE. NEW SOFTWARE HAS BEEN RELEASED TO CORRECT THIS CONCERN. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF THE RADIO IS INOPERTIVE. NEW SOFTWARE HAS BEEN RELEASED TO CORRECT THIS CONCERN. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF A DEAD BATTERY AFTER LEAVING THE VEHICLE DURING A BLUETOOTH CALL. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF THE RADIO SYSTEM INOPERATIVE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN TO CONTACT THE GM TECHNICAL ASSISTANCE CENTER FOR FURTHER INSTRUCTIONS. THE CONCERN IS THE RADIO MAY BE UNABLE TO SAVE XM FAVORITE STATIONS. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN. THE VEHICLE'S XM RADIO ONLY HAS XM PREVEIW CHANNELS. Read More »
"THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO CONTACT ONSTAR FOR HARD MUTE REQUEST TO CORRECT A CUSTOMER CONCERN WHEN THE RADIO IS ON, IT DOES NOT MUTE ENOUGH WHEN THE ONSTAR? TURN-BY-TURN NAVIGATION DIRECTIONS ARE ANNOUNCED DUE TO ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON DIAGNOSING THE CONCERN OF THE CD PLAYER BEING INOPERATIVE OR DISC WILL NOT EJECT. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON DIAGNOSING THE CONCERN OF THE CD PLAYER BEING INOPERATIVE OR DISC WILL NOT EJECT. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION FOR THE DEALER TO PLEASE COMMUNICATE TO THE CUSTOMER THIS CONDITION IS A NORMAL OPERATING CHARACTERISTIC OF THEIR VEHICLE. Read More »
This Preliminary Information communication advises the technician how to diagnose vehicles with the CD player inoperative. If this concern is encountered, cycle the CD player fuse and re-evaluate the concern. Read More »
This Preliminary Information communication advises the technician that some vehicles may have a radio display that is covered when the radio station favorites list is maximized. Read More »
This Preliminary Information communication provides information to the technician to help diagnose vehicles that may have a radio inoperative. This concern will last through multiple ignition cycles and is not intermittent. Read More »
This informational bulletin provides Information on Inappropriate Warranty Claims Submitted for Damaged Radios and Instrument Panel Clusters (IPCs) Read More »
This Preliminary Information communication advises the technician about vehicles that may have a inoperative radio with Diagnostic Trouble Code U0184 set in modules and unable to communicate with the radio using the scan tool. Read More »
This Preliminary Information communication advises the technician how to diagnose vehicles with the CD player inoperative. If this concern is encountered, cycle the CD player fuse and re-evaluate the concern. Read More »
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General ... Read More »
This preliminary informational bulletin provides radio programming information to correct customer concerns about no XM audio or time shift, radio lock-up, slow response, vertical line between clock and temperature, poor FM reception ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that when shutting the vehicle off when the radio is turned off prior, the radio will turn back on in the muted condition on the next key ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an inoperative radio. Technician may find Diagnostic Trouble Code U0184 stored in multiple modules. Read More »
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General ... Read More »
This preliminary informational bulletin provides radio programming information to correct customer concerns about no XM audio or time shift, radio lock-up, slow response, vertical line between clock and temperature, poor FM reception ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that the radio will lose audio except warning chimes and become inoperative after using Siri. Read More »
This Preliminary Information communication provides information to the technician about vehicles with a CD player is inoperative. Technician should cycle power to the CD play and retest. Read More »
This Preliminary Information communication provides information to the technician about when listening to an iPod that the first song will still be displayed when the next song in the list is playing. Read More »
This Preliminary Information communication provides information to the technician about vehicles that radio is inoperative, loss of sound, or their display is blank. Technician will need to cycle power to the radio and retest. Read More »
This Preliminary Information communication provides information to the technician about vehicles with a CD player is inoperative. Technician should cycle power to the CD play and retest. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a radio display that flickers at first start up. Engineering is currently evaluating this concern. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an inoperative radio. Technician may find Diagnostic Trouble Code U0184 stored in multiple modules. Read More »
This Preliminary Information communication provides information to the technician for vehicles with the radio inoperative. The technician may find no communication with the radio and a diagnostic trouble code U0184 set in other modules. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a radio display does not always return to the previous call/source screen when a Bluetooth call has ended and/or that the call ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a radio display that flickers at first start up. Engineering is currently evaluating this concern. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the radio can be turned on after turning the ignition off and opening the driver?s door. Read More »
This Preliminary Information communication provides information to the technician on how the radio display gets the air ambient temperature. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have a radio display flickers momentarily when first starting the vehicle. Read More »
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General ... Read More »
This preliminary informational bulletin provides radio programming information to correct customer concerns about no XM on start-up when manually tuned and/or using voice recognition, no radio wake-up, rear view camera and OnStar ... Read More »
This preliminary informational bulletin provides radio programming information to correct customer concerns about no XM audio or time shift, radio lock-up, slow response, vertical line between clock and temperature, poor FM reception ... Read More »
This Preliminary Information communication provides information to the technician about vehicles have may have rolling display when switching from the radio to the rear seat entertainment. Read More »
This preliminary informational bulletin provides repair information to correct customer concerns about blank display, NAV screen audio content is unavailable via speech recognition, display screen is stuck on incoming call view after ... Read More »
This preliminary informational bulletin provides radio programming information to correct customer concerns about no XM audio or time shift, radio lock-up, slow response, vertical line between clock and temperature, poor FM reception ... Read More »
This Preliminary Information communication advises the technician about vehicles that the HD turns on unwanted when tuning to radio stations using voice commands. General Motors Engineering is aware of concern and currently evaluating. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a the AM or FM audio volume changes, mutes, echoes, cuts in and out, repeats broadcast content, or skips intermittently. Read More »
This preliminary informational bulletin provides inspection and repair information that may be helpful to correct customer concerns of XM/Cellular Mobile Phone/OnStar? antenna looseness or damage, XM/Cellular/OnStar? reception performance ... Read More »
This Preliminary Information communication provides information to the technician about vehicles with a low-volume, repetitive ticking noise coming from all speakers that may be more noticeable when listening to talk radio where there are ... Read More »
This preliminary informational bulletin provides procedures to inspect , replace, or repair the XM radio antenna to correct the customers concern loss XM services, noise and/or water leak. Read More »
This preliminary information bulletin provides a procedure on reprograming the HMI module to repair the customers concern of the blank screen after start up, Rear view camera on, touch screen inop, bluetooth and navigation concerns. Read More »
This preliminary information provides a procedure to update the radio to correct the cutomers concern of a Blank Display, NAV Screen Audio Content is Unavailable via Speech Recognition, Display Screen is Stuck on Incoming Call View After ... Read More »
This Preliminary Information communication provides information to the technician about vehicles with an inoperative CD player. Technician will need to contact General Motors Technical Assistance Center for further assistance. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the navigation voice feedback is choppy, distorted, or garbled. Read More »
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General ... Read More »
This Preliminary Information communication advises the technician about vehicles that the HD turns on unwanted when tuning to radio stations using voice commands. General Motors Engineering is aware of concern and currently evaluating. Read More »
This Preliminary Information communication provides information to the technician that when the vehicle is shut off while the radio is off and the analog clock is displayed, the radio will turn back on with muted audio if the customer ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that show an error message when a media disc is installed. Read More »
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a the AM or FM audio volume changes, mutes, echoes, cuts in and out, repeats broadcast content, or skips intermittently. Read More »
This Preliminary Information communication provides information to the technician about vehicle that has no XM audio on certain channels but XM channel info is displayed. Read More »
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a message on the radio "maximum number of phones are currently paired to the vehicle". Read More »
This Preliminary Information communication advises the technician that Diagnostic Trouble Code B127E in the Human Machine Interface with Regular Production Option Code U42 or UWG will be current when playing a DVD or Blu-Ray on the ... Read More »
This Technical bulletin provides a procedure to request a hard mute from Onstar when navigation is annoucing directions and to correct the customers concern of the radio being loud during navigation. Read More »
This Preliminary Information communication provides information to the technician on the step to diagnose and repair vehicles with a CD or DVD player that will not take a disc. Read More »
This preliminary bulletin explains to the technician to use the vin when reprogramming the radio using the techline/service programming systems. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may not receiving all channels on the XM band. Read More »
This Preliminary Information communication provides information to the technician on the step to diagnose and repair vehicles with a CD or DVD player that will not take a disc. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the radio display does not always return to the previous source screen when a Bluetooth call has ended. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have intermittent and hard to duplicate Rear Camera blank, distorted, or fuzzy. Read More »
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a the AM or FM audio volume changes, mutes, echoes, cuts in and out, repeats broadcast content, or skips intermittently. Read More »
This Preliminary Information communication advises the technician that some vehicles may have a radio display that is covered when the radio station favorites list is maximized. Read More »
This Preliminary Information communication provides information to the technician about vehicles that has no XM audio on certain channels but XM channel info is displayed. Read More »
This Preliminary Information communication provides information to the technician about vehicles that when a Canadian customer may comment that when they travel to the United States, they are unable to connect to OnStar or use hands free ... Read More »
This Preliminary Information communication provides information to the technician that customers may inquire as to the availability of OnStar bluetooth on their vehicle. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF RECEIVING FREQUENT "OFF ROUTE" MESSAGES WHILE FOLLOWING TURN BY TURN (TBT) ROUTE NAVIGATION. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF RECEIVING FREQUENT "OFF ROUTE" MESSAGES WHILE FOLLOWING TURN BY TURN (TBT) ROUTE NAVIGATION. Read More »
"THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO CONTACT ONSTAR FOR HARD MUTE REQUEST TO CORRECT A CUSTOMER CONCERN WHEN THE RADIO IS ON, IT DOES NOT MUTE ENOUGH WHEN THE ONSTAR? TURN-BY-TURN NAVIGATION DIRECTIONS ARE ANNOUNCED DUE TO ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS FOR DIAGNOSING THE CONCERN. THE VEHICLE MAY BE UNABLE TO CONNECT TO ONSTAR USING THE WHITE, BLUE OR RED ONSTAR BUTTONS. Read More »
This preliminary informational bulletin provides information on GM is implementing a new service strategy that uses a set of universal coaxial repair kits to service vehicles. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN WITH THE STEPS NEED TO DIAGNOSE AND REPAIR VEHICLE THAT MAY HAVE A CONCERN WITH NAVIGATION ICON NOT SHOWING THE CORRECT LOCATION THEN JUMPING TO THE CORRECT ... Read More »
This informational bulletin provides information on Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM) (GMNA Only) Read More »
This informational bulletin provides information regarding Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules Read More »
This Preliminary Information communication provides information to the technician about vehicle's odometer appears to be inaccurate relative to a known distance traveled. Technician should obtain a hand-held GPS unit to test the odometer. Read More »
15155 - CUSTOMER SATISFACTION PROGRAM. CERTAIN 2015 MODEL YEAR CADILLAC ESCALADE, CADILLAC ESCALADE ESV, CHEVROLET SILVERADO CREW CAB, CHEVROLET SUBURBAN, CHEVROLET TAHOE, GMC SIERRA CREW CAB, GMC YUKON, AND GMC YUKON XL VEHICLES MAY ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. Read More »
This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles with visible water leak or signs of water intrusion from the antenna base, red OnStar LED, unable to connect to ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that navigation system has inaccurate estimated time of arrival. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Read More »
This Preliminary Information communication provides information to the technician about vehicles that navigation system has inaccurate estimated time of arrival. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the Navigation radio does not have a global positioning system location but OnStar is able to accurately locate the vehicle. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the Navigation radio does not have a global positioning system location but OnStar is able to accurately locate the vehicle. Read More »
This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Read More »
This preliminary informational bulletin provides repair information to correct customer concerns about blank display, NAV screen audio content is unavailable via speech recognition, display screen is stuck on incoming call view after ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a blank displays, flashing displays, "Error or Update failed Messages", navigation map not loading, Bluetooth or USB concerns. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Read More »
This preliminary informational bulletin provides repair information to correct customer concerns about blank screen after startup and reverse, rear view camera message on, touch screen inoperable, Bluetooth and navigation concerns. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may OnStar inoperative and Navigation/GPS/Compass issues. Technician may find Diagnostic Trouble Codes B101D sym 3C and or F0. Read More »
This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles with visible water leak or signs of water intrusion from the antenna base, red OnStar LED, unable to connect to ... Read More »
This preliminary information provides a procedure to update the radio to correct the cutomers concern of a Blank Display, NAV Screen Audio Content is Unavailable via Speech Recognition, Display Screen is Stuck on Incoming Call View After ... Read More »
14395 - CUSTOMER SATISFACTION. ON SOME VEHICLES, A PERFORMANCE ISSUE WITH THE ONSTAR? MODULE MIGHT IMPACT THE VEHICLE'S BATTERY LIFE. THIS CAN CAUSE A DEAD BATTERY IF THE VEHICLE IS NOT STARTED FOR APPROXIMATELY 4 DAYS. Read More »
This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the navigation voice feedback is choppy, distorted, or garbled. Read More »
This informational bulletin provides the technician on what to do if the customer has a navagation concern and submit a feedback form to the GM navigation disc center website. Read More »
This informational bulletin provides the technician on what to do if the customer has a navagation concern and submit a feedback form to the GM navigation disc center website. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the navigation voice feedback is choppy, distorted, or garbled. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Read More »
This Technical bulletin provides a procedure to request a hard mute from Onstar when navigation is annoucing directions and to correct the customers concern of the radio being loud during navigation. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a frequent "off route" messages while following Turn by Turn route. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have an OnStar Turn-By-Turn Navigation the system that is inoperative. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D Read More »
This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Read More »
This engineering informational bulletin is ending the need of information from the field on vehicles with the condition of a rattle noise from the second row seat. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE A RATTLE NOISE FROM THE SECOND ROW SEAT. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a lifter that has collapsed and is stuck in the lifter bore when completing 15-06-01-002A. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have extended or long crank time during cold ambient air temperatures. Read More »
This Preliminary Information communication provides information to the technician for vehicles that exhibit a driver?s power memory seat and power adjustable pedals inoperative. Read More »
This Preliminary Information communication provides information to the technician about vehicles with a crankshaft balancer appears to be out of balance or wobbling while watching it with the engine running. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th ... Read More »
This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. Read More »
This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC). Read More »
This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. Read More »
This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC. Read More »
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »
This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Read More »
This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program. Read More »
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only). Read More »
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC). Read More »
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »
This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »
This warranty administration bulletin provides policy information for variable diagnostic time allowances on select labor operations (U.S. Only). Read More »
This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. Read More »
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »
This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process. Read More »
This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This service bulletin provides information on Handling Requests for Modifications to Permanently Import/Export Vehicles Between the U.S. and Canada. Read More »
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE) Tires and PDI installed Limited Production Option (LPO) Tires. Read More »
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »
This service bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »
This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »
This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only). Read More »
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. Read More »
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »
This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. Read More »
This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. Read More »
This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM. Read More »
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated (CCND) Labor Operation Numbers. Read More »
This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »
This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »
This warranty administration bulletin provide policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada. Read More »
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »
This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). Read More »
This Preliminary information communicates a Service Adaptive Cruise With DTC C018C SYM3A After Replacing K14 Distance Sensing Cruise Control Module and provides tips for completing all necessary steps and to contact TCSC if configuration ... Read More »
This technical bulletin provides repair information to correct a customer concern of Audio Muting When Listening to Some SiriusXM Channels Due to Interference in Some Geographic Locations. Read More »
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module. Read More »
This informational bulletin provides information for the dealer technician to gather as much information to help aid Engineers by completely filling out requested reports. Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »
This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. Read More »
This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). Read More »
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »
This informational bulletin was created to inform that any accessories that are installed from the GM factory will be covered under the standard vehicle warranty and dealer installed accessories will be covered for a full year (12 months). Read More »
This Preliminary Information communicates an issues with the headliner sagging and how to reattachthe velcrousing Hardman Double Bubble Epoxy part number 04001. Read More »
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. Read More »
This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup ... Read More »
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Read More »
This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Read More »
This Preliminary Information communication advises the technician when Service Information diagnostics indicates a fuel injector may need to be removed for a repair or replaced the injector will need a new seal. Read More »
This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of ... Read More »
This Preliminary information communicates to the technician when diagnosing intermittent circuit concerns to look at the connector for missing weather pack seals that could allow water intrusion into the connector and lead to corrosion on ... Read More »
This information bulletin explains the labor operation numbers used for submitting warranty claims and how to setup, and reprogram modules. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have the alarm sounding when learning new key fobs after the original key fobs were lost. Read More »
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage). Read More »
This engineering informational bulletin is ending the need for information from the field on vehicles that have the condition of rear auxiliary a/c not cooling or blowing warm air. Read More »
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage). Read More »
This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Read More »
This Preliminary Information communication advises the technician that generation 5 engines with Regular Production Option Code L83, L86, or LV3 may have an oil consumption concern were one quart in 2000 miles is being used. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system ... Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »
This warranty administration bulletin provide policy information on warranty and policy exchange program for electronic products for U.S. and Canada dealers only. Read More »
This Warranty Admin bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT GENERAL MOTORS AND GENERAL MOTORS OF CANADA COMPANY DO NOT SUPPORT CROSS BORDER SALES. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE SPEEDOMETER INACCURATE READS 5 MPH WHEN TRAVELING 50 MPH. ENGINEERING IS WORKING TO DEVELOP A SOLUTION. Read More »
This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE SPEEDOMETER INACCURATE READS 5 MPH WHEN TRAVELING 50 MPH. ENGINEERING IS WORKING TO DEVELOP A SOLUTION. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT GENERATION 5 ENGINES WITH REGULAR PRODUCTION OPTION CODE L83, L86, OR LV3 MAY HAVE AN OIL CONSUMPTION CONCERN WERE ONE QUART IN 2000 MILES IS BEING USED. Read More »
THIS WARRANTY ADMINISTRATION BULLETIN PROVIDE POLICY ON PERFORMING GM COVERED VEHICLE SERVICES AND MAINTENANCE ON VEHICLES ORIGINATING/SOLD IN CANADA. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT SOME VEHICLES MAY HAVE A DIM DRIVER INFORMATION CENTER WHEN THE INTERIOR OF THE VEHICLE IS HOT FROM A SUN LOAD OR EXTENDED HEATER OPERATION. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REMOVE THE TRANSPORT MODE ON MESSAGE DISPLAYED IN THE DIC DUE TO VEHICLES SHIPPED OVER LONG DISTANCES OUTSIDE THE U.S. AND CANADA. Read More »
This informational bulletin provides warranty policy information on revised wiring repair labor operations and required additional information. Read More »
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION TO ADVISE THE CUSTOMERS THAT HAVE ENROLLED THEIR VEHICLE INTO THE ONSTAR ADVANCED DIAGNOSTICS & REAL TIME DIAGNOSTIC ALERTS THEY MAY RECEIVE ALERTS FROM THEIR VEHICLE WHEN IT IS BEING ... Read More »
THIS WARRANTY ADMINISTRATION BULLETIN PROVIDES INFORMATION ON GM?S POLICY ON PERFORMING GM COVERED VEHICLE SERVICES AND MAINTENANCE ON VEHICLES ORIGINATING/SOLD IN CANADA. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION HAS THE STEPS FOR DIAGNOSING THE CONCERN OF EXCESSIVE OIL CONSUMPTION FOR THE GENERATION 5 ENGINE. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be ... Read More »
This Preliminary Information communication advises the technician that generation 5 engines with Regular Production Option Code L83, L86, or LV3 may have an oil consumption concern were one quart in 2000 miles is being used. Read More »
This informational bulletin provides information on what is needed to be prepared for TAC, caller preparedness and checklists and contacting U.S. Read More »
This engineering informational bulletin is requesting information from th field on vehicles that have the condition of a vehicle crank and no start with DTC P0011 and or P00C6 set Read More »
This Preliminary Information communication provides information to the technician how to diagnose and repair a vehicle with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or ... Read More »
This informational bulletin provides information on New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores Read More »
This warranty informational bulletin provides a list of all the required operating procedures and explains them out to what is acceptable and not. Read More »
This informational bulletin provides Information Regarding Servicing Components Located Near SIR Components and how to properly disable the SIR system for repairs at or near Read More »
This informational bulletin provides information on Clarification of Use - Dealer Empowerment Labor Operations and Customer Enthusiasm (U.S. Only) Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have a grind, pop, shudder or bind feeling/noise in the steering column when turning left or right. Read More »
IPC Odometer Programming Method Quick Reference Guide Season Odometer Programming Methods in Use Today 1. IPC reprogramming and setup using the service programming system (SPS). 2. Read More »
This warranty administration bulletin provides policy information on an updated warranty and policy exchange program for electronic products through GM authorized Electronic Service Centers (ESCs) (U.S. and Canada). Read More »
This informational bulletin provides information to dealership personnel on proper engine and automatic transmission/transaxle identification. Read More »
This warranty administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment. Read More »
This warranty administration bulletin provides policy information on an updated warranty and policy exchange program for electronic products through GM authorized Electronic Service Centers (ESCs) (U.S. and Canada). Read More »
This Preliminary Information communication provides information to the technician with tips on the Text Messaging feature that is available on some newer General Motors infotainment systems. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the Turn By Turn directions may no longer be displayed after the Canada OnStar upgrade. Read More »
This Preliminary Information communication provides information to the technician on the steps to help diagnose and repair vehicles with a rattle, squeak, clunk, thump, or bump. Read More »
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »
This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport ... Read More »
This Preliminary Information communication advises the technician before replacing the crankshaft to review the following. Dealer should complete the Service Information diagnostics and the Cost Comparison Worksheet for Assembly Repair vs. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have Service Engine Soon Malfunction Indicator Lamp. Read More »
This Preliminary Information communication provides information to the technician about vehicles with the Service Engine Soon Malfunction Indicator Lamp on. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This engineering information bulletin annouces the end of need for information from the field regarding Service 4WD message displayed, DTC C0392 set. Read More »
This preliminary informational bulletin provides diagnostic tips that may be helpful in correcting a customer concern of a Malfunction Indicator Lamp (MIL) illuminated. Technicians may find DTC P0741 Torque Converter Clutch Stuck Off set . Read More »
This engineering information bulletin is requesting information from dealers on a customer concern that the Service 4WD message is displayed, and DTC C0392 is set. Read More »
This technical bulletin provides repair information to correct a customer concern of engine misfire/tick noise, Malfunction Indicator Lamp (MIL) On, and/or DTC P0300 set. Read More »
This informational bulletin provides dealership personnel with Global Warranty Management (GWM), Warranty Parts Center (WPC), and Parts Return Program information. Read More »
This Preliminary Information communication provides information to the technician for a Service Engine Soon light with a Diagnostic Trouble code P0300 set. There may be a rough running engine associated with this concern. Read More »
This Preliminary Information communication provides information to the technician about vehicles with erratic or hesitation when opening and closing the power lift gate. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a content theft alarm sounding for no apparent reason. Read More »
This preliminary informational bulletin provides repair information for a customer concern of Malfunction Indicator Lamp (MIL) on, and technician finding DTC P0741: Torque Converter Clutch Stuck Off set. Read More »
This Preliminary Information communication provides information to the technician for a vehicle setting both a P2635 and P018B diagnostic trouble codes. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a buffeting vibration and/or drone type noise, exhaust tone change, and/or body pressure booming. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service 4WD message on the Driver Information Center when operated below 10 degrees Fahrenheit (-12 Celsius). Read More »
This informational bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered seepage. Read More »
This technical bulletin provides repair procedure information to correct a customer concern of Transport Mode On message displayed in Driver Information Center (DIC) and/or battery light is flashing. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B124B sym 04 in the HMI module. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have Service Engine Soon Malfunction Indicator Lamp. Read More »
This Preliminary Information communication advises the technician that the LCT1000 6 Speed Allison automatic transmission is on restriction through General Motors Product Quality Center. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service 4WD message on the Driver Information Center when operated below 10 degrees Fahrenheit (-12 Celsius). Read More »
This informational bulletin provides information on the Product Quality Center (PQC) assembly replacement process for Service Agents not required to contact PQC prior to assembly replacement. Read More »
This informational bulletin provides information on dealer reimbursement procedures for Customer Assistance Center (CAC) Tier 1 and Tier 2 empowerment tools: diagnostic fee, short term rental, and up-front towing (U.S. only). Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on, a tick noise, and engine misfire. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Diagnostic Trouble Code B101D sym 39 in the Human Machine Interface. Technician should not replace any parts for this concern. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on, a tick noise, and engine misfire. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on and Diagnostic Trouble Code P0300 - P0308 may set. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system ... Read More »
This Preliminary Information communication advises the technician that the E92 ECM Restriction Part Number 12662034 will be placed on restriction through the General Motors Product Quality Center. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon with Diagnostic Trouble Code P0300 and an engine misfire. Read More »
This informational bulletin adds 2014 - 2015 model years to information regarding comeback prevention and using Customer Concern Verification Sheets (CCVS). Read More »
This Preliminary Information communication advises the technician the LCT1000 6 Speed Allison automatic transmission is on restriction through General Motors Product Quality Center. Read More »
This warranty administration bulletin adds 2012 - 2015 model years to information communicating a change in the product field action customer reimbursement procedure (U.S. Dealers Only). Read More »
This warranty administration bulletin provide policy information of the JOB CARD, for a repair on vehicles and what is acceptable - customer authorization; Service manager approvals and transaction authorization; Details of concern, cause ... Read More »
This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary. Read More »
This preliminary bulletin provides information on how to check for ice and/or snow build up and to install a radiator cover to correct the customers concern of reduced engine power and service engine message on. Read More »
This warranty bulletin explains how to use the EL-50313 Midtronic GR8 Battery tester to test a battery and determin if it is warranty or not. Read More »
This information bulletin provides additional information to the technician on how to diagnose possible normal engine noise during a cold star and a warm engine operation. Read More »
This information for Warranty administration - Changes the Service Policy and Procedures Section 1.6.2.11 and list the requirements for the dealer to comply. Read More »
This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Read More »
This information bulletin provides the technician with additional information on fixing the vehicle right the first time by listing possible concerns to specific vehicles. Read More »
This informational bulletin provides a process to the service agents that are not required to contact PQC, to determine when to replace a assembly as opposed to repairing and if an engine or transmission is being returned, that it has all ... Read More »
This informational bulletin provides technicians with ways to decrease the tire slipping on the rim and reduce to possible chances of the customers concerns over tire vibration are repair. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0442. Read More »
This informational bulletin was created to inform that any accessories that are install from the GM factory will be covered under the standard vehicle warranty and dealer installed accessories will be cover for a full year (12months). Read More »
This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »
This preliminary information bulletin provides a procedure for radiator and engine coolant thermostat replacement to eliminate coolant smell and/or a slight leak at the radiator. Read More »
This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a buffeting vibration and/or drone type noise, exhaust tone change, and/or body pressure booming. Read More »
This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? ... Read More »
This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels ... Read More »
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »
This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
This Preliminary information communicates instructions dealer to inspect for a broken or damaged side objector sensor/module bracket if there is a "Side Detection System Unavailable" message displayed at startup. Read More »
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »
This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system ... Read More »
This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). Read More »
This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL on. Read More »
This informational bulletin provides information for information on passenger presence sensing system (PPS or PSS) concerns with custom upholstery, accessory seat heaters or other comfort enhancing devices. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have the oil pressure gauge jumps from approximately 40 lb. to 60 lb. The 4.3L (LV3), 5.3L (L83), 6. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Read More »
This technical bulletin provides repair information to correct customer concerns of OnStar, XM, GPS or antenna malfunction ? may set DTC B2462, B2470 or B125C - and/or water leak on headliner at sun visor or overhead console areas, ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that the engine may run hot with the snow plow installed. Read More »
Information for Fleet Vehicles ? Ignition Key, Fob and Key Rings Configuration Some Customers are bundling multiple keys, fobs, and key tags together on a single crimped loop or a cable. Read More »
Information for Fleet Vehicles ? Ignition Key, Fob and Key Rings Configuration Some Customers are bundling multiple keys, fobs, and key tags together on a single crimped loop or a cable. Read More »
This technical bulletin provides repair information to correct a customer concern of carpet damage, seat mounting stud wear through, hole in second row (Intermediate) carpet. Read More »
This Preliminary Information communication provides information to the technician of additional information when diagnosing a service driver assist message with a diagnostic trouble code B172E and or a B172F. Read More »
This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related ... Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Read More »
This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area. Read More »
15086A - Customer Satisfaction Program. On certain passenger cars and light duty trucks, equipped with Gen 10 OnStar?, the embedded phone flash memory chip may become corrupted, causing the OnStar? system to become inoperative. Read More »
this informational bulletin provides Information on Using MyBuick, MyCadillac, MyChevrolet, and MyGMC Phone Applications to Control GM Accessory Remote Start Kits. Read More »
This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have a front driver's or passenger's seat back may lean or be turned outward. Read More »
This warranty administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an excessive lateral driver or passenger seat movement and/or a clunk/click/pop type feeling or noise. Read More »
this informational bulletin provides Information on Using MyBuick, MyCadillac, MyChevrolet, and MyGMC Phone Applications to Control GM Accessory Remote Start Kits. Read More »
This Preliminary Information communication provides information to the technician about removing the tinnerman push nuts when installing the accessory Accessory 22" Wheels Regular Production Option Code (SES, SEU, SEY, OR SEZ) or ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a coolant loss and/or coolant odor after driving the vehicle. Read More »
This Preliminary Information communication provides information to the technician about removing the tinnerman push nuts when installing the accessory 22" 6-Spoke Split Chrome Wheels Regular Production Option Code (SEU) or during any ... Read More »
This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Read More »
This Preliminary Information communication provides information to the technician about engine block that have a possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder ... Read More »
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage). Read More »
This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »
This informational bulletin provides information on new tools used for the Hem Flanges and how to repair and seal the flanges when the repairs are done. Read More »
This technical bulletin provides a procedure to replace the Homelink transmitter to correct the customers concern of the garage door wont open from far distances. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH A DIAGNOSTIC AID FOR IDENTIFYING INFOTAINMENT COMPONENTS ON THE VEHICLES TO ENSURE THAT THE CORRECT COMPONENT IS ORDERED OR REPLACED AND THE CORRECT LABOR CODE IS ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT A NOISE OR A VIBRATION IN THE VEHICLE THAT SEEMS TO BE ABNORMAL MAY NOT HAVE BEEN THERE WHEN THE VEHICLE WAS PURCHASED. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE RADIO TO CORRECT A CUSTOMER CONCERN THAT THERE IS A LOW-VOLUME, REPETITIVE TICKING NOISE COMING FROM ALL SPEAKERS DUE TO THE CURRENT RADIO SOFTWARE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION IS TO CONTACT GM TECHNICAL ASSISTANCE CENTER TO REPORT THE CONCERN AND OBTAIN A CASE NUMBER. THE CUSTOMER IS UNABLE TO SELECT RADIO PRESETS FROM THE USB OR SD CARD AS THEY ARE GREYED OUT. Read More »
This informational bulletin provides information on Clarification of Use - Dealer Empowerment Labor Operations and Customer Enthusiasm (U.S. Only) Read More »
This informational bulletin provides information on Unscheduled Supplemental Services (Including Flushing Services and Additives) and Proper Use of GM Simplified Maintenance Schedules (U.S. Only) Read More »
This informational bulletin provides information on how to properly repair rust on the hem flange on doors for vehicles that have the condition of rust showing at hem flange Read More »
This informational bulletin provides information on Behavior of Non-Upgraded OnStar Equipped Vehicles Operating in Canada after Decommissioning of 2G CDMA Cellular Networks Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a lifter that has collapsed and is stuck in the lifter bore when completing 15-06-01-002A. Read More »
This Preliminary Information communication provides information to the technician about vehicles with engine oil consumption. If published Service Information for oil consumption with no fix. Read More »
This Preliminary Information communication provides information to the technician on a concern of body pressure booming. This concern may be more noticeable when the active fuel management is engages and the engine is in 4 cylinder mode. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have the oil pressure gauge jumps from approximately 40 lb. to 60 lb. The 4.3L (L83), 5.3L (L86), 6. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the ... Read More »
This Preliminary Information communication advises the technician that on November 18th, 2014, part number 23248791 (Wireless Charging Module) will be placed on restriction through the General Motors Technical Assistance Center. Read More »
This Preliminary Information communication provides information to the technician with tips on the Text Messaging feature that is available on some newer General Motors infotainment systems. Read More »
This Preliminary Information communication provides information to the technician about being to achieve pre-load when setting up the pinion bearing pre-loads during reassembly of the 9.5/9.76 inch rear axles. Read More »
This Preliminary Information communication provides information to the technician about vehicles with a crankshaft balancer appears to be out of balance or wobbling while watching it with the engine running. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the lift-gate actuator or strut that is going to be removed or replaced. Read More »
This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only). Read More »
This Preliminary Information communication advises the technician that the door striker cover will be shipped with the vehicle from the assembly plant. Read More »
This engineering information bulletin is requesting information from dealers on a customer concern that one or more key transmitter(s) inoperative/not detected or passive entry inoperative while transmitter functions operate as Intended. Read More »
This informational bulletin provides information to dealership personnel regarding warranty codes generated by EL-50313 Midtronics GR8 Battery Tester/Charger required for claim processing on labor operations 4041510, 4041520 and 250 ... Read More »
GENERAL MOTORS: TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. ON CERTAIN TRUCKS AND VEHICLES, THE ONSTAR SYSTEM IS INOPERATIVE DUE TO EMBEDDED PHONE FLASH MEMORY CHIP AND VEHICLE COMMUNICATION ... Read More »
This informational bulletin provides information for dealers/technicians on when and how to submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »
This preliminary informational bulletin provides repair information for a customer concern of a rattle noise on right front cross rail of the luggage carrier. Read More »
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General ... Read More »
This Preliminary Information communication provides information to the technician how to diagnose and repair a vehicle with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or ... Read More »
This informational bulletin provides information to assist dealership personnel with the identification of vehicle headlamp, tail lamp, license lamp or fog/driving lamp damage that are not considered warrantable. Read More »
This warranty administration bulletin provides retail and wholesale service personnel with the policies and the warranty claims submission procedures that support Labor Operation 0600014 - Suspected Tampering or Vehicle Modifications. Read More »
This informational bulletin provides dealership personnel information on unscheduled supplemental services (including flushing services and additives) and proper use of GM simplified maintenance schedules (Canada only). Read More »
This informational bulletin provides information on the PQC assembly replacement process - for dealers required to contact PQC prior to replacing an assembly (U.S. and Canada only). Read More »
This Preliminary Information communication provides information to the technician to help prevent damage to the overhead display from being damaged during the removal process. Read More »
This warranty administration bulletin provides information to clarify proper transaction administration of GM Dealer Empowerment Program and Goodwill Cases. Read More »
This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair vehicles with a rough idle and/or vibration at idle in Drive. This condition will not be present in Park, or Neutral. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have oil leak after the balancer is removed or replaced. Read More »
This preliminary bulletin provides a procedure to paint the areas of the frame, if there are signs of rust/corrosion after the wax coating peeled off. Read More »
This Preliminary Information communication provides information to the technician that before calling General Motors Technical Assistance Center for assistance, there is some basic diagnostic information that must be obtained in order for ... Read More »
This information for Warranty administration - Changes the Service Policy and Procedures Section 1.6.2.11 and now is refered to Article 3.2. Read More »
This warranty administration bulletin provide policy information of the JOB CARD, for a repair on vehicles and what is acceptable - customer authorization; Service manager approvals and transaction authorization; Details of concern, cause ... Read More »
This warranty bulletin explains how to use the EL-50313 Midtronic GR8 Battery tester to test a battery and determin if it is warranty or not. Read More »
This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Read More »
This warranty bulletin explains how to use the EL-50313 Midtronic GR8 Battery tester to test a battery and determin if it is warranty or not. Read More »
This preliminary bulletin provides directions on testing the in tank fuel pump and which bulletin to refer to after the diagnostics are complete. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have a rattle noise from the second row seat. Read More »
Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Read More »
Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Read More »
This informational bulletin was created to inform that any accessories that are install from the GM factory will be covered under the standard vehicle warranty and dealer installed accessories will be cover for a full year (12months). Read More »
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns. Read More »
17336 05 - Special Coverage. On some vehicles, may have a condition where thermal cycling on the combination transmission fluid/oil and AC condenser cooler creates a crack that may allow refrigerant to escape. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Read More »
17336 04 - Special Coverage (Warranty Information Revised). On some vehicles, may have a condition where thermal cycling on the combination transmission fluid/oil and AC condenser cooler creates a crack that may allow refrigerant to escape. Read More »
This technical bulletin provides a procedure to replace the dehydrator to correct the condition of A/C Inoperative and/or Insufficient Cooling due to the seals going bad within the part. Read More »
This technical bulletin provides a procedure to replace the dehydrator to correct the condition of A/C Inoperative and/or Insufficient Cooling due to the seals going bad within the part. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Read More »
On some 2015-2017 model year Cadillac Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, GMC Yukon and Yukon XL vehicles, may have a condition where thermal cycling on the combination transmission fluid/oil and AC condenser cooler creates ... Read More »
This engineering informational bulletin is ending the need for information from the field on vehicles that have the condition of rear auxiliary a/c not cooling or blowing warm air. Read More »
Thins engineering informational bulletin is requesting information from the field on vehicles that have the condition of rear auxiliary a/c not cooling or blowing warm air. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES WITH ONE OF THE TWO CONCERNS. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE THE CONCERN WHEN THE VEHICLE HA SA SERVICE ENGINE SOON LIGHT, ANTILOCK BRAKING SYSTEM LIGHT OR SERVICE SUSPENSION MESSAGE, MISFIRE, HESITATION, NO ... Read More »
This Preliminary Information communication provides information to the technician for a reduced power message, steering assist, engine stall or the instrument panel, radio, and or Heater-Vent-Air Conditioning go blank with multiple ... Read More »
This engineering information bulletin announces the end of need for information from the field regarding A/C inoperative or poor performance on recent built vehicles. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have various Heater-Vent-Air Conditioning issues. Read More »
This technical bulletin provides repair information for the correction of a customer concern of short duration musty odors emitted from the HVAC system at vehicle start-up in hot, humid conditions. Read More »
This engineering information bulletin is requesting information from dealers on a customer concern of A/C inoperative or poor performance on recent built vehicles. Read More »
This preliminary informational bulletin provides technicians with diagnostic tips for a customer concern of odor emanating from HVAC system. Read More »
This preliminary informational bulletin provides technicians with diagnostic tips for a customer concern of odor emanating from HVAC system. Read More »
This Preliminary Information communication provides information to the technician about vehicles with various Heater-Vent-Air Conditioning concerns. Read More »
14450A - SERVICE UPDATE (REVISED TO INCLUDE NON-EXPORT VEHICLES). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSPECT THE AIR CONDITIONING REFRIGERANT WARNING LABEL ON CERTAIN VEHICLES. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blow warm. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have an air condition that has poor performance during high ambient temperatures. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have an air condition that has poor performance during high ambient temperatures. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have an air condition that has poor performance during high ambient temperatures. Read More »
This Preliminary Information communication provides information to the technician about vehicles that during very cold ambient temperatures there may be a no crank or a click no crank condition. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the blower motor may be noisy or vibrate when running. Read More »
This Preliminary Information communication provides information to the technician about systems operate during a remote vehicle start event. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have extended or long crank time during cold ambient air temperatures. Read More »
This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses. Read More »
This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. Read More »
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
