Technical Service Bulletins (TSBs) for the 2016 Silverado 1500 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 preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair. Read More »
This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair. 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 Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. 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 informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak. Read More »
This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. 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 to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures. 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 communicates a repair procedure for a squeak/squawk type noise coming from the lower column/drivers foot well area when turning. Read More »
This technical bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures. 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 about vehicles that have a hydraulic rush or flow type noise from the power steering 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 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 »
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 provides information to the technician about vehicles that have a hydraulic rush or flow type noise from the power steering gear. 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 technical bulletin provides a procedure to flush and bleed the power steering system to correct a condition of power steering noise or fluid leak from power steering pump, gear or high pressure hose during extreme low temperature ... Read More »
STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID
THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES INFORMATION ON A PROCEDURE FOR DIAGNOSING AND REPAIRING VIBRATIONS CAUSED BY THE WHEEL AND TIRE, AXLE COMPONENTS AND/OR PROPELLER SHAFTS. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a hydraulic rush or flow type noise from the power steering gear. 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 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 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 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 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 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 bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on SUVs and how to correct and repair. 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 INFORMATIONAL BULLETIN PROVIDES INFORMATION ON A PROCEDURE FOR DIAGNOSING AND REPAIRING VIBRATIONS CAUSED BY THE WHEEL AND TIRE, AXLE COMPONENTS AND/OR PROPELLER SHAFTS. 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 informational bulletin is requesting information from the field of vehicles that have the condition of Shake or Shudder on Light Throttle Acceleration or Steady State Cruise Read More »
Clunking Noise from Front of Vehicle During Turns and/or Bumps Some customers may comment on a clunking noise originating from the front of the vehicle that is more predominant during turns or traveling over bumps. Read More »
This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making contact. Read More »
This technical bulletin provides a procedure to apply grease to the leaf springs to correct a condition of a squeak noise from the metals making contact. Read More »
SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO RE-TORQUE THE JOINTS OF THE REAR LEAF SPRING ASSEMBLY TO CORRECT A CUSTOMER CONCERN OF A CLUNKING NOISE COMING FROM THE REAR OF THE VEHICLE. 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 »
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 technical bulletin provides a procedure to lube the rear leaf springs on vehicles with the condition of a squeak noise originating from the rear of the vehicle. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO RE-TORQUE THE JOINTS OF THE REAR LEAF SPRING ASSEMBLY TO CORRECT A CUSTOMER CONCERN OF A CLUNKING NOISE COMING FROM THE REAR OF THE VEHICLE. Read More »
SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:HANGER/BRACKET
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 about fluid leaking from the brake caliper piston area found during a service of the vehicle. 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 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 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 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 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 about vehicles that have a detent / click with a feel of increased resistance when the accelerator pedal is about ¾ of the way. 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 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 »
22860 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO DO AN INSPECTION AND WIRE REPAIR AS NEEDED ON CERTAIN 2016 MODEL YEAR CHEVROLET SILVERADO HD, SILVERADO LD, GMC SIERRA HD AND SIERRA LD VEHICLES. 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 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 »
N182206730 - Customer Satisfaction Program. Certain vehicles equipped with special service package (RPO 5W4) and certain 2015 ? 2019 Chevrolet Tahoe vehicles equipped with police package (RPO 9C1) or special service package (RPO 5W4) may ... 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 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 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 »
N182206730 - Customer Satisfaction Program. Certain vehicles equipped with special service package (RPO 5W4) and certain 2015 ? 2019 Chevrolet Tahoe vehicles equipped with police package (RPO 9C1) or special service package (RPO 5W4) may ... 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 »
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: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 »
SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS
22860 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO DO AN INSPECTION AND WIRE REPAIR AS NEEDED ON CERTAIN 2016 MODEL YEAR CHEVROLET SILVERADO HD, SILVERADO LD, GMC SIERRA HD AND SIERRA LD VEHICLES. 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 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 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 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 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 communicates to dealers an issue on remanufactured engines with part numbers 19368174 and 19368176 where the incorrect crankshaft timing gear was installed. 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 and definitions to the technician about vehicles that have fishbite, chuggle, misfire, AFM disturbances or torque converter shudder/vibration concerns. 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 »
N182198000 - Special Coverage Adjustment - Certain vehicles, equipped with a 5.3L or 6.2L engine, may have a condition which affects fuel injector function. 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 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 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 there have been some reports that the current engine hours are not correct and display 0.0. Read More »
This Preliminary information communicates to the dealer an issue where the vehicle's service engine soon light may illuminate due to trouble codes P0601-P0604, P0606, P062B, P062F, P0630, P16F3, or P262B . 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 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 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 on the step to diagnose and repair the vehicles that may have a shake or shudder during light throttle acceleration, between 30 and 65 miles per hour steady ... 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 engineering informational bulletin ends the need for information from the field on vehicles that have a malfunction indicator lamp illuminated and a DTC of P154A set. 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 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 ADVISES THE TECHNICIAN THAT THE 6.6L DURAMAX, REGULAR PRODUCTION OPTION CODE LML/LGH, ENGINE PART NUMBER 12638505 PARTS RESTRICTION HAS ENDED. 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 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 PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE VEHICLES THAT MAY HAVE A SHAKE OR SHUDDER DURING LIGHT THROTTLE ACCELERATION, BETWEEN 30 AND 65 MPH STEADY STATE ... 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 engineering informational bulletin requests information from the field from vehicles that have the condition of a Check Engine Light, delayed shifts and/or the transmission stuck in gear. 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 PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEP TO DIAGNOSE AND REPAIR THE VEHICLES THAT MAY HAVE A SHAKE OR SHUDDER DURING LIGHT THROTTLE ACCELERATION, BETWEEN 30 AND 65 MPH STEADY STATE ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS TO DIAGNOSES AND REPAIR VEHICLES WITH AN ENGINE THAT RUNS ROUGH WITH A KNOCK NOISE AND OR BACKFIRE SOUND COMING FROM THE AIR FILTER. 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 INFORMATIONAL BULLETIN PROVIDES INFORMATION ON THE INTRODUCTION OF THE ADVANCED DIAGNOSTICS - PROACTIVE ALERTS AVAILABLE ON MANY MODELS. Read More »
41710 - SERVICE UPDATE BULLETIN. THESE VEHICLES MAY HAVE LOOSE TRANSMISSION TO ENGINE FASTENERS. IMPROPER ALIGNMENT OF THE ENGINE AND TRANSMISSION COULD POTENTIALLY RESULT IN FLEX PLATE BREAKAGE. 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 »
16999 - CUSTOMER SATISFACTION PROGRAM (STOP DELIVERY ORDER). THE BOLTS CONNECTING THE TRANSMISSION TO THE ENGINE MAY NOT BE TIGHTENED TO SPECIFICATION ON THESE VEHICLES (SUBSEQUENTLY CONVERTED TO SERVICE UPDATE BULLETIN 41710). Read More »
CONDITION Certain 2010-2016 model year Chevrolet Express, GMC Savana, 2011-2013 model year Chevrolet Silverado HD, 2015-2016 model year Chevrolet Silverado HD, 2011-2012 model year GMC Sierra HD, 2015 model year GMC Sierra HD ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE 2016 6.6L DURAMAX ENGINE CONTROL MODULE PARTS RESTRICTION HAS ENDED. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE 2016 6.6L DURAMAX ENGINE CONTROL MODULE PARTS RESTRICTION HAS ENDED. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEP TO DIAGNOSE AND REPAIR THE VEHICLES THAT MAY HAVE A SHAKE OR SHUDDER DURING LIGHT THROTTLE ACCELERATION, BETWEEN 30 AND 65 MPH STEADY STATE ... 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 »
Clean Exhaust Filter see owners manual now or cleaning exhaust filter keep driving until message is cleared displayed on DIC, DTC P2463 May be set Read More »
Information on Exhaust fluid range, exhaust fluid quality poor, service exhaust fluid system or service emission system driver information Center Messages 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 »
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 informational bulletin provides information on the introduction of the Advanced Diagnostics - Proactive Alerts available on many models. 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 preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair. 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 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 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 a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. Read More »
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. 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 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 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 diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. 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 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 provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. 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 technical bulletin provides information on a possible bolt and guide pin that may be missing from the control valve which will need to be installed to correct the repair. 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 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 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 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 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 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 a buffeting vibration and/or drone type noise, exhaust tone change, and/or body pressure booming. 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 engineering informational bulletin is requesting information for vehicles that has had the fuel injection pump replaced and is still within warranty. 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 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 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 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 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 engineering informational bulletin is requesting information from the field on vehicles that have the condition of a MIL or a engine misfire due to a loose spark plug wire. 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 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 engineering informational bulletin is requesting information from the field on vehicles that have a concern on Bang or Loud Noise with No Forward (Drive) or Reverse Ranges Read More »
Engineering Information ? Service 4WD Message Displayed and DTC C0398 Condition Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this EI. Read More »
This informational bulletin provides information to dealership personnel on identifying Duramax Diesel overpower engine breakdown or non-function due to aftermarket power-up devices vs. 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 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 informational bulletin provides dealership personnel with policies and procedures regarding damaged, disassembled or improperly packaged turbochargers returned to Warranty Part Center. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE 6.6L DURAMAX, REGULAR PRODUCTION OPTION CODE LML/LGH, ENGINE PART NUMBER 12638505 PARTS RESTRICTION HAS ENDED. 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 INFORMATIONAL BULLETIN IS A SUPPLEMENT TO THE DURAMAX DIESEL COOLANT SYSTEM FILL AND HEAD GASKET REPLACEMENT PROCEDURE FOUND IN THE SERVICE INFORMATION. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLE MAY HAVE AN ?EXHAUST FLUID QUALITY POOR? ON THE DRIVER INFORMATION CENTER OR A DIESEL EXHAUST FLUID WARNING LAMP ON OR OTHER EXHAUST FLUID ... Read More »
This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Engine Part number 12638502 has been placed on a parts restriction through the General Motors Product Quality Center. Read More »
GMC/CHEVROLET: TO ASSIST ENGINEERING PRODUCT FEEDBACK, PARTS FOR DURAMAX DIESEL ENGINE, HAS BEEN PLACED ON RESTRICTIONS, BY PRODUCT QUALITY CENTER (PQC). MODEL 2010-16 DURAMAX. *PE Read More »
This informational bulletin provides technicians with information on identifying non-GM ECM Calibration use and Power-Up hardware detection in Duramax? Diesel Engines using GDS 2. 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
CLEAN EXHAUST FILTER SEE OWNERS MANUAL NOW or CLEANING EXHAUST FILTER KEEP DRIVING UNTIL MESSAGE IS CLEARED Displayed on DIC, DTC P2463 May Be Set Read More »
ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
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 »
ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR
This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder. Read More »
ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE COOLANT LEAKING FROM THE COOLANT SURGE TANK AREA OF THE VEHICLE. TECHNICIAN SHOULD INSPECT THE SURGE TANK. Read More »
This informational bulletin provides information on Clean Exhaust Filter See Owner Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. Read More »
This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. 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 provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. 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 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 INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLE MAY HAVE AN ?EXHAUST FLUID QUALITY POOR? ON THE DRIVER INFORMATION CENTER OR A DIESEL EXHAUST FLUID WARNING LAMP ON OR OTHER EXHAUST FLUID ... Read More »
CLEAN EXHAUST FILTER SEE OWNERS MANUAL NOW or CLEANING EXHAUST FILTER KEEP DRIVING UNTIL MESSAGE IS CLEARED Displayed on DIC, DTC P2463 May Be Set Read More »
This preliminary informational bulletin provides service personnel with a guide to determine which SI documents and scan tool parameters to reference when encountering an: Exhaust Fluid Quality Poor message displayed, and a Reductant ... Read More »
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
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 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 »
15801 ? CUSTOMER SATISFACTION PROGRAM. VEHICLES EQUIPPED WITH THE DURAMAX DIESEL ENGINE OPTION AND THE AMBULANCE UPFITTER OR FIRE TRUCK UPFITTER OPTION MAY HAVE A CONDITION IN WHICH THE EMISSION CONTROL SYSTEM AS DESIGNED WILL LIMIT ... Read More »
Information on Exhaust Fluid Range, Exhaust Fluid Quality Poor, Service Exhaust Fluid System or Service Emission System Driver Information Center Messages 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 »
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
THIS INFORMATION BULLETIN PROVIDE INFORMATION ON A NEW WAY TO LOOK AT NOX SENSOR READINGS AND EXHAUST TEMPERATURE DURING A DPF REGENERATION OR A REDUCTANT FLUID QUALITY TEST. 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 »
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 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 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 about vehicles that may have a bump feel or clunk noise at a stop or on launch. 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 technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties. Read More »
This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties. Read More »
N182198000 - Special Coverage Adjustment - Certain vehicles, equipped with a 5.3L or 6.2L engine, may have a condition which affects fuel injector function. 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 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 Preliminary Information communication provides information to the technician about a customer?s request to remove or disable the Bi-Fuel Compressed Natural Gas system. Read More »
This technical bulletin provides a procedure to replace the fuel tank and internal parts if found expanding and contacting the drive shaft. 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 technical bulletin provides a procedure to clean and repair the complete fuel system due to dirt getting into the fuel system causing the vehicle to have a hard or no start. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Read More »
This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE THE CONCERN. CUSTOMER HEARS A CLUNK WHEN STOPPING OR LAUNCHING. Read More »
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON THE INTRODUCTION OF THE ADVANCED DIAGNOSTICS - PROACTIVE ALERTS AVAILABLE ON MANY MODELS. Read More »
This Preliminary Information communication provides information to the technician how to diagnose and repair vehicles that may have fuel gauge that shows empty and the low fuel level indicator is on. Read More »
This informational bulletin provides information when ordering the new delphi style fuel pump to refer to the parts catalog for the correct part number. 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 »
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 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 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 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 THE CONCERN. CUSTOMER HEARS A CLUNK WHEN STOPPING OR LAUNCHING. Read More »
This informational bulletin provides information on Clean Exhaust Filter See Owner Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. 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 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 a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. 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 informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set. 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 informational bulletin provides information to dealership personnel on identifying Duramax Diesel overpower engine breakdown or non-function due to aftermarket power-up devices vs. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE COOLANT LEAKING FROM THE COOLANT SURGE TANK AREA OF THE VEHICLE. TECHNICIAN SHOULD INSPECT THE SURGE TANK. Read More »
This Preliminary Information communication provides information to the technician how to diagnose and repair vehicles that may have fuel gauge that shows empty and the low fuel level indicator is on. Read More »
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON THE INTRODUCTION OF THE ADVANCED DIAGNOSTICS - PROACTIVE ALERTS AVAILABLE ON MANY MODELS. Read More »
This Preliminary information communicates to have the dealer contact TAC with the transmission TUN number prior to transmission installation. 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 preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair. Read More »
This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle. Read More »
This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair. 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 service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle. 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 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 technical bulletin provides information on a possible bolt and guide pin that may be missing from the control valve which will need to be installed to correct the repair. 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 informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if no problem was found, to replace the tbv. Read More »
This informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if no problem was found, to replace the tbv. 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 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 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 informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if no problem was found, to replace the tbv. Read More »
This Preliminary Information communication provides information and definitions to the technician about vehicles that have fishbite, chuggle, misfire, AFM disturbances or torque converter shudder/vibration concerns. Read More »
Customer Satisfaction Program - Certain 2014-2019 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a power sliding rear window (RPO A48) may have areas of high electrical resistance on the rear defroster circuit. 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 informational bulletin explains possible normal condition of a flare from 1st to 2nd, even if the trans had been repaired for the flare and its still noticed. Read More »
This technical bulletin provides information for new transmission oil to use and a procedure for exchanging the old fluid and adding the new fluid to correct a shake/shudder during light throttle acceleration condition. 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 to refer to bulletin 16-NA-175 to aid in addressing torque converter clutch shudder concerns. 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 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 on the step to diagnose and repair the vehicles that may have a shake or shudder during light throttle acceleration, between 30 and 65 miles per hour steady ... 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 engineering information is ending the need for information from the field on vehicles that have the condition of Check Engine Light, Delayed Shifts and/or Transmission Stuck in Gear with DTC P0751, P0752, P0756, P0757, P0761 or P0762 ... 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 TECHNICAL BULLETIN PROVIDES THE PROCEDURES TO COMPLETE A TRANSSMISSION ADAPTIVE LEARN ON ALL THE DIFFERENT TYPES OF VEHICLES AND TRANSMISSIONS BASED ON RPO OPTIONS TO CORRECT A CONDITION OF HARSH SHIFTS ON HARD ACCELLERATIONS. Read More »
THIS TECHNICAL BULLETIN PROVIDES THE PROCEDURES TO COMPLETE A TRANSSMISSION ADAPTIVE LEARN ON ALL THE DIFFERENT TYPES OF VEHICLES AND TRANSMISSIONS BASED ON RPO OPTIONS TO CORRECT A CONDITION OF HARSH SHIFTS ON HARD ACCELLERATIONS. Read More »
This technical bulletin provides a procedure to reprogram the transmission control module to correct a firm garage shift, start up clunk, and DTC P16F3 condition Read More »
This informational buleltin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares and information on transmission fast learns Read More »
This technical bulletin provides a procedure on replacing the stator shaft support for vehicles with the condition of a delayed engagement after sitting with the engine off. Read More »
This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction that has ended for the hybrid/EV battery Pack, Hybrid/EV Powertrain Control Module (HPCM2), High Voltage ... 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 »
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 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 ENGINEERING INFORMATIONAL BULLETIN IS ENDING THE NEED FOR INFORMATION FROM THE FIELD OF VEHICLES WITH THE CONDITION OF BANG OR LOUD NOISE WITH NO FORWARD (DRIVE) OR REVERSE RANGES. Read More »
39370 ? SERVICE UPDATE BULLETIN. ON VEHICLES EQUIPPED WITH AN 8-SPEED AUTOMATIC TRANSMISSION, THE C-1-3-5-6-7 PISTON ASSEMBLY INTERNAL TO THE TRANSMISSION MAY BE OUT OF SPECIFICATION RESULTING IN POTENTIAL SHIFT QUALITY AND LONG TERM ... 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 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 Preliminary Information communication advises the technician that the Allison LCT1000 transmission valve body part number (24262535) tank is no longer 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 engineering informational bulletin requests information from the field from vehicles that have the condition of a Check Engine Light, delayed shifts and/or the transmission stuck in gear. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPLACE THE STATOR SHAFT SUPPORT TO CORRECT CUSTOMER CONCERN ON A DELAYED ENGAGEMENT WHEN THE TRANSMISSION IS SHIFTED FROM PARK TO REVERSE OR PARK TO DRIVE AFTER THE VEHICLE HAS BEEN SITTING ... Read More »
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON TRANSMISSIONS WITH HARSH SHIFTS AFTER MILEAGE ACCUMULATION WITHOUT PREVIOUS REPAIRS AND/OR CALIBRATION UPDATES. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPLACE THE STATOR SHAFT SUPPORT TO CORRECT CUSTOMER CONCERN ON A DELAYED ENGAGEMENT WHEN THE TRANSMISSION IS SHIFTED FROM PARK TO REVERSE OR PARK TO DRIVE AFTER THE VEHICLE HAS BEEN SITTING ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE ALLISON 6 SPEED AUTOMATIC TRANSMISSION ASSEMBLY REGULAR PRODUCTION OPTION CODE MW7 BEEN PLACED ON RESTRICTION THROUGH GENERAL MOTORS PRODUCT QUALITY CENTER. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO FLUSH AND DRAIN THE TRANSMISSION FLUID TO CORRECT A CUSTOMER CONCERN OF TRANSMISSION SHAKE AND/OR SHUDDER DURING LIGHT THROTTLE ACCELERATION BETWEEN 48 AND 104 KM/H (30 AND 65 MPH) AT A ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE 2016 ALLISON A1000 AUTOMATIC TRANSMISSION HAS BEEN PLACED ON PARTS RESTRICTION. 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 »
41710 - SERVICE UPDATE BULLETIN. THESE VEHICLES MAY HAVE LOOSE TRANSMISSION TO ENGINE FASTENERS. IMPROPER ALIGNMENT OF THE ENGINE AND TRANSMISSION COULD POTENTIALLY RESULT IN FLEX PLATE BREAKAGE. Read More »
16999 - CUSTOMER SATISFACTION PROGRAM (STOP DELIVERY ORDER). THE BOLTS CONNECTING THE TRANSMISSION TO THE ENGINE MAY NOT BE TIGHTENED TO SPECIFICATION ON THESE VEHICLES (SUBSEQUENTLY CONVERTED TO SERVICE UPDATE BULLETIN 41710). 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 PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE A FLASHING PRNDL OR CHECK ENGINE LIGHT ON. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE ALLISON LCT1000 VALVE BODY PART NUMBER 24262535 HAS BEEN PLACED ON RESTRICTION THROUGH GENERAL MOTORS PRODUCT QUALITY CENTER. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE ALLISON LCT1000 VALVE BODY PART NUMBER 24262535 HAS BEEN PLACED ON RESTRICTION THROUGH GENERAL MOTORS PRODUCT QUALITY CENTER. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE ALLISON LCT1000 VALVE BODY HAS BEEN PLACED ON RESTRICTION THROUGH THE PRODUCT QUALITY CENTER TO ASSIST ENGINEERING WITH PRODUCT FEEDBACK. Read More »
This engineering informational bulletin is requesting information from dealers regarding the concern of a bang or loud noise with no forward or reverse ranges 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 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 informational bulletins provides information to the technician about false DTCs setting or stored in the hybrid powertrain control module. Read More »
This technical bulletin provides a procedure to reprogram the transmission control module to correct a firm garage shift, start up clunk, and DTC P16F3 condition Read More »
Recovery Process from a Controller Reprogramming Interruption During service reprogramming of the T87 TCM, some technicians may notice the TCM may fail during the reprogramming event and become unresponsive to the Service Programming ... Read More »
GMC/CHEVROLET: DUE TO INTERFERENCE WITH ENGINE ACCESSORY DRIVE BELT FROM TRANSMISSION CONTROL MODULE (TCM) WIRE HARNESS ROUTING, THE WIRE HARNESS WILL BE DAMAGED AND HAVE POOR TRANSMISSION PERFORMANCE AND QUALITY SHIFTING AND MALFUNCTION ... Read More »
POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT
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 informational bulletin advises the technician to replace the TBV if the transmission has any type of repair even if no problem was found, to replace the tbv. Read More »
POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEP TO DIAGNOSE AND REPAIR THE VEHICLES THAT MAY HAVE A SHAKE OR SHUDDER DURING LIGHT THROTTLE ACCELERATION, BETWEEN 30 AND 65 MPH STEADY STATE ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEP TO DIAGNOSE AND REPAIR THE VEHICLES THAT MAY HAVE A SHAKE OR SHUDDER DURING LIGHT THROTTLE ACCELERATION, BETWEEN 30 AND 65 MPH STEADY STATE ... Read More »
This technical bulletin provides a procedure on replacing the stator shaft support for vehicles with the condition of a delayed engagement after sitting with the engine off. 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 HAVE A ?SERVICE 4WD MESSAGE? DISPLAYED IN THE DRIVER INFORMATION CENTER. TECHNICIAN MAY FIND DIAGNOSTIC TROUBLE CODES C0392 OR C0396. Read More »
THIS ENGINEERING INFORMATION BULLETIN IS REQUESTING INFORMATION FROM THE DEALERS ON A CUSTOMER CONCERN THAT A SERVICE 4WD MESSAGE DISPLAYED ON THE DIC AND DTC C0398 SET WITHIN THE TRANSFER CASE CONTROL MODULE. Read More »
THIS ENGINEERING INFORMATION BULLETIN IS REQUESTING INFORMATION FROM THE DEALERS ON A CUSTOMER CONCERN THAT A SERVICE 4WD MESSAGE DISPLAYED ON THE DIC AND DTC C0398 SET WITHIN THE TRANSFER CASE CONTROL MODULE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE VEHICLES WITH VARIOUS NOISES ASSOCIATED WITH FOUR WHEEL DRIVE OPERATION. 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 (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 provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »
This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States. Read More »
This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States. 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 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 technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box ... 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 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 about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. 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 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 are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »
This Preliminary Information communication provides information to the technician to help converting vehicles to fleet key option Regular Production Option Code 6E2 or 6E8. 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 are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. 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 about vehicles that may have a service engine soon malfunction indicator lamp, antilock braking system malfunction indicator lamp, service suspension system ... 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 communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank ... Read More »
Customer Satisfaction Program - Certain 2014-2019 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a power sliding rear window (RPO A48) may have areas of high electrical resistance on the rear defroster circuit. Read More »
This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank ... 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 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 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 that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank ... 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 that First Responder Guides for General Motors vehicles can be accessed via the web at http://www.gmstc.com. or http://www.nfpa. 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 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 Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank ... Read More »
This Preliminary Information communication provides information to the technician about the Upfitters questions about installing aftermarket electrical accessories. 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 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 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 Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the Generator Control Module (GCM). Read More »
This informational bulletin provides information to the customer on the radio display "info pages" being blank and to make sure to select in the "active info pages" menu. Read More »
This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the A15, Starter Generator (MGU). Read More »
This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank ... 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 engineering informational bulletin ends the need for information from the field on vehicles that have the condition of Malfunction Indicator Lamp Illuminated with DTCs P0335, P0340, or P0365 Set. 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 communicates a false setting of DTCU0121 in the FVCM due to a FVCM software anomaly. Code U0121 will set and be moved to history in the FVCM with each ignition cycle. Read More »
This informational bulletin provides information for programming the low speed LAN module due to the mirrors memory position reverse tilt position is inoperative. Read More »
This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank ... 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 bulletins provides information to the technician about false DTCs setting or stored in the hybrid powertrain 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 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 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 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 low voltage reading on the volt gauge during the first several minutes after a cold start. Read More »
The sensing and diagnostic module (SDM) in the vehicle, which controls airbag and pretensioner deployment, contains a software defect which may prevent the deployment of frontal airbags and pretensioners in certain rare circumstances. 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 PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES VOICE RECOGNITION INOPERATIVE FOR CALLING BLUETOOTH PHONE CONTACTS. 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 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 ABOUT VEHICLES THAT MAY HAVE A RADIO BACKLIGHTING WILL STAY ON EVEN AFTER THE IGNITION HAS BEEN TURNED OFF AND THE KEY HAS BEEN REMOVED FOR SEVERAL MINUTES, ... 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 PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH STEPS ON HOW TO PROGRAM AN ENGINE CONTROL MODULE WHEN GETTING A SERVICE PROGRAMMING SYSTEM ERROR CODE E4491 OR E4423. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE A MALFUNCTION INDICATOR LAMP WHEN SWITCHING TO COMPRESSED NATURAL GAS. TECHNICIAN WILL FIND A DIAGNOSTIC TROUBLE CODE P2199 SET. 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 INFORMATIONAL BULLETIN PROVIDES INFORMATION ON A PROCEDURE FOR DIAGNOSING AND REPAIRING VIBRATIONS CAUSED BY THE WHEEL AND TIRE, AXLE COMPONENTS AND/OR PROPELLER SHAFTS. 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 ,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 PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH THE STEPS NEEDED TO DIAGNOSE AND REPAIR A VEHICLE WITH WI-FI OR BLUETOOTH INOPERATIVE OR POOR PERFORMANCE CONCERN. 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 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 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 PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN TO CONTACT GM TECHNICAL ASSISTANCE CENTER TO REPORT THE CONCERN AND OBTAIN A CASE NUMBER WHEN A CUSTOMER MAY COMMENT THAT THEY WILL HAVE THE RADIO SHUT OFF, AND WHEN ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS ON HOW TO PROGRAM THE INSTRUMENT PANEL CLUSTER AFTER AN ANDROID AUTO UPDATE. 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 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 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 ON HOW TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE A FLASHING PRNDL OR CHECK ENGINE LIGHT ON. Read More »
Engineering Information ? Service 4WD Message Displayed and DTC C0398 Condition Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this EI. 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 informational bulletin provides technicians with information on identifying non-GM ECM Calibration use and Power-Up hardware detection in Duramax? Diesel Engines using GDS 2. 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 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 »
Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Correct battery cold cranking amperage (CCA) ratings and type are critical for proper test results when using the EL-50313. 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 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 PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. Read More »
THIS WARRANTY ADMINISTRATION BULLETIN PROVIDE POLICY INFORMATION ON USING THE EL-50313 MIDTRONICS GR8 BATTERY TESTER/CHARGER FOR DIAGNOSING BATTERY REPLACEMENTS AND MAINTAINING BATTERIES ON NEW VEHICLES IN DEALER INVENTORY. Read More »
THIS WARRANTY ADMINISTRATION BULLETIN PROVIDE POLICY INFORMATION ON USING THE EL-50313 MIDTRONICS GR8 BATTERY TESTER/CHARGER FOR DIAGNOSING BATTERY REPLACEMENTS AND MAINTAINING BATTERIES ON NEW VEHICLES IN DEALER INVENTORY. 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 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 »
22860 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO DO AN INSPECTION AND WIRE REPAIR AS NEEDED ON CERTAIN 2016 MODEL YEAR CHEVROLET SILVERADO HD, SILVERADO LD, GMC SIERRA HD AND SIERRA LD VEHICLES. 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 have Trailer connection not recognized or “Check Trailer wiring” or “Service Trailer Brake” message. 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 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 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 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 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 how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... 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 about vehicle's odometer appears to be inaccurate relative to a known distance traveled. Read More »
All or Some Options May Be Missing from Driver Information Center (DIC) ?Info Pages? Menu Due to Them Not Being Selected Condition Some customers may comment that with the ?Info? option selected from the main menu (1), the ?Info ... 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 ADVISES THE TECHNICIAN ON THE STEPS ON HOW TO PROGRAM THE INSTRUMENT PANEL CLUSTER AFTER AN ANDROID AUTO UPDATE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A "SERVICE FRONT CAMERA" MESSAGE ON THE DRIVER INFORMATION CENTER INTERMITTENTLY. 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 informational bulletin provides information on the advanced diagnostic alerts that are sent via onstar, they inform of DTC and indicator lamps that are set within the vehicles. Read More »
Engineering Information ? Service 4WD Message Displayed and DTC C0398 Condition Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this EI. 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 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 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 Preliminary information communicates a false setting of DTCU0121 in the FVCM due to a FVCM software anomaly. Code U0121 will set and be moved to history in the FVCM with each ignition cycle. Read More »
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... 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 "Service 4 Wheel Drive" message on the Driver Information Center. Read More »
This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank ... 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 REPROGRAM THE RADIO TO CORRECT A CUSTOMER CONCERN REGARDING A BUZZ OR STATIC NOISE CAUSED BY INTERNAL SOFTWARE. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO UPDATE THE IPC FIRMWARE TO CORRECT A CONCERN THAT A TECHNICIAN MAY HAVE AN ISSUE PERFORMING THE USB FILE TRANSFER PORTION OF THE IPC PROGRAMMING PROCESS IF THE ANDROID AUTO UPGRADE (BULLETIN ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS ON HOW TO PROGRAM THE INSTRUMENT PANEL CLUSTER AFTER AN ANDROID AUTO UPDATE. Read More »
CONDITION Certain 2010-2016 model year Chevrolet Express, GMC Savana, 2011-2013 model year Chevrolet Silverado HD, 2015-2016 model year Chevrolet Silverado HD, 2011-2012 model year GMC Sierra HD, 2015 model year GMC Sierra HD ... 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 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 REPROGRAM THE RADIO TO CORRECT A CUSTOMER CONCERN OF BUZZ OR STATIC NOISE FROM RADIO AUDIO SPEAKERS, ANDROID AUTO CONNECTION ISSUES, INTERMITTENT BLACK SCREEN OR SIRIUS XM REVERTS TO XM1 ... 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 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 »
Recovery Process from a Controller Reprogramming Interruption During service reprogramming of the T87 TCM, some technicians may notice the TCM may fail during the reprogramming event and become unresponsive to the Service Programming ... 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 »
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 technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box ... 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 technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box ... Read More »
This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank ... Read More »
This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank ... Read More »
This informational bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory ... 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 that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have installed an aftermarket bed cap or topper may question where they can wire in the center high mounted stop light for the cap or ... 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 for assisting the customer in setting the position for the memory mirror and the reverse tilt 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 repair information to correct a customer concern of hearing excessive wind noise from front side door glass area. 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 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 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 TECHNICAL BULLETIN PROVIDES REPAIR INFORMATION ON CORRECTING A WATER LEAK INTO THE VEHICLE CABIN, CAUSED BY WATER OVERRUNNING THE POWER REAR SLIDER WINDOW CHANNEL. 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. VEHICLE'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. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS. 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 »
01516 - Customer Satisfaction Program (Stop Delivery Order). Certain 2016 model year Chevrolet Silverado and GMC Sierra work trucks equipped with Power Outside Rear View Mirrors (RPO DL8 or DPN) were built without mirror switches, bezels ... Read More »
This preliminary informational bulletin contains recommendations of what needs to be done to swap/install camper outside rearview mirrors on a vehicle not originally equipped with them. Read More »
This preliminary informational bulletin contains recommendations of what needs to be done to swap/install camper outside rearview mirrors on a vehicle not originally equipped with them. 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 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 COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE A POOR HEATER-VENT-AIR CONDITIONING AIR FLOW FROM THE PASSENGER SIDE FAR RIGHT DASH VENT WHEN COMPARED TO THE OTHER DASH VENTS. 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 »
The sensing and diagnostic module (SDM) in the vehicle, which controls airbag and pretensioner deployment, contains a software defect which may prevent the deployment of frontal airbags and pretensioners in certain rare circumstances. Read More »
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON LOCATING AND RECONNECTING AIRBAG CONNECTORS THAT ARE NOT FULLY SEATED TO CORRECT A CUSTOMER CONCERN OF AN AIRBAG WARNING LAMP ILLUMINATED, OR ONE, OR MORE, AIRBAG DTC(S) SET. Read More »
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON LOCATING AND RECONNECTING AIRBAG CONNECTORS THAT ARE NOT FULLY SEATED TO CORRECT A CUSTOMER CONCERN OF AN AIRBAG WARNING LAMP ILLUMINATED, OR ONE, OR MORE, AIRBAG DTC(S) SET. Read More »
Special Coverage - If a driver repeatedly sits on the seat belt cable cover located at the base of the driver?s seat when entering the vehicle, it may cause the seat belt pretensioner to bend sharply over the seat side shield. 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 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 »
The sensing and diagnostic module (SDM) in the vehicle, which controls airbag and pretensioner deployment, contains a software defect which may prevent the deployment of frontal airbags and pretensioners in certain rare circumstances. 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 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 informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. 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 the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers 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 Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program. Read More »
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. 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 informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. 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 information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have water or dust from the openings under the bed rails near the stake pockets. 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 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 that have water or dust from the openings under the bed rails near the stake pockets. Read More »
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »
This Preliminary information communicates a customer concern ofSIR light on with any DTC set in the SDM. During diagnostics a technician may find water in the SDM connector and is unable to locate a leak path. Read More »
TECHNICAL BULLETIN EXPLAINING THAT 2016 GMC/CHEVROLET PICK-UP TRUCKS INCREAED THE HEIGHT OF THE BED AND PROVIDING INSTRUCTIONS FOR INSTALLING A FIFTH WHEEL OR GOOSENECK. Read More »
This preliminary informational bulletin provides a procedure to replace a body plug to correct a body plugs vivible on vehicles equipped with 6 inch oval accessory chrome assist steps condition 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 TECHNICAL BULLETIN PROVIDES REPAIR INFORMATION ON CORRECTING A WATER LEAK INTO THE VEHICLE CABIN, CAUSED BY WATER OVERRUNNING THE POWER REAR SLIDER WINDOW CHANNEL. 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 THAT 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 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 to dealership personnel regarding formulation of a lighter variant paint being made available in order to match the paint on trucks exhibiting a lighter color due to mis-application at the ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE RAISED DENTS OR RIPPLE APPEARANCE IN THE SIDE OUTER PANEL OF THE CARGO BOX AROUND THE PERIMETER OF THE WHEEL HOUSE OPENING. 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 ENGINEERING INFORMATION BULLETIN IS REQUESTING INFORMATION FROM THE DEALERS ON A CUSTOMER CONCERN THAT THE REAR BUMPER STEP PAD IS MELTED OR WARPED. 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 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 informational bulletin provides information on the proper ways to repair spray in bed liners and general information on the procedures around the spray in bed liners Read More »
This Preliminary Information communication advises the technician when painting the bumper on a Work Truck use the paint code is 598F that is Anthracite color. 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 technical bulletin provides repair information to correct a customer concern of hearing excessive wind noise from front side door glass area. Read More »
This Preliminary Information communication advises the technician that vehicles with front seat Regular Production Option Codes A52, AZ3, or B3F may comment about low treble, or excessive bass from the front door speakers. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. 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 AN EZ LIFT AND LOWER TAILGATE OPENS TOO QUICKLY. TECHNICIAN WILL ENSURE NOTHING WAS ADDED TO THE TAILGATE. Read More »
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON THE IMPORTANCE OF LUBRICATING THE LEFT TAILGATE HINGE WHICH INCORPORATES AN ASSIST MECHANISM. 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 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 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 a detent / click with a feel of increased resistance when the accelerator pedal is about ? of the way. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a detent / click with a feel of increased resistance when the accelerator pedal is about ¾ of the way. 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 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 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 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 informational bulletin provides information that the TPM sensors must always be relearned when accessory wheels are installed on the vehicle. Read More »
THIS INFORMATIONAL BULLETIN PROVIDES THE CORRECT INFORMATION THAT IS NEEDED TO CORRECTLY KNOW WHAT TPM SENSOR IS NEEDED TO BE INSTALLED ON VEHICLES IF THERE IS ACCESSORY WHEELS INSTALLED AND WHO TO CONTACT WHEN THE ACCESSORY WHEELS WILL ... Read More »
THIS INFORMATIONAL BULLETIN PROVIDES THE CORRECT INFORMATION THAT IS NEEDED TO CORRECTLY KNOW WHAT TPM SENSOR IS NEEDED TO BE INSTALLED ON VEHICLES IF THERE IS ACCESSORY WHEELS INSTALLED AND WHO TO CONTACT WHEN THE ACCESSORY WHEELS WILL ... Read More »
29110 ? CUSTOMER SATISFACTION PROGRAM. VEHICLES EQUIPPED WITH THE FULL SIZE SPARE TIRE AND ROAD WHEEL OPTION MAY HAVE BEEN BUILT WITHOUT A TIRE PRESSURE MONITORING (TPM) SENSOR INSTALLED IN THE SPARE TIRE. 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 bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair. Read More »
This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair. 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 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 informational bulletin aids the technician on diagnosing possible vibrations in a vehicle, methods used for testing each scenario and documenting findings. 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 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 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 bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair. Read More »
This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair. Read More »
Customer Satisfaction Program - Certain vehicles that had the front passenger seat cushion frame previously replaced, may not have had the adjuster stops transferred and are missing on the replacement part. 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 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 advises the technician that vehicles with front seat Regular Production Option Codes A52, AZ3, or B3F may comment about low treble, or excessive bass from the front door speakers. 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 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 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 »
FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA
This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Read More »
This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Read More »
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. Read More »
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. 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 ABOUT VEHICLES THAT ARE FOUND TO HAVE A BACK-UP ALARM INOPERATIVE DURING THE PRE-DELIVERY INSPECTION. 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 WITH AN INTERMITTENT LOSS OF GRIDLINES IN THE REAR CAMERA DISPLAY SCREEN AND A "SERVICE REAR VISION SYSTEM" MESSAGE THAT BOTH HAPPEN AT THE ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A "SERVICE FRONT CAMERA" MESSAGE ON THE DRIVER INFORMATION CENTER INTERMITTENTLY. 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 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 service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle. 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 service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States. Read More »
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. 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 repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States. 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 information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only). Read More »
This Warranty Administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment. Read More »
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. Read More »
This service bulletin provides information for dealers/technicians on Handsfree Apple Iphone Call Static conditions equipped with IOB Radio. 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 informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. 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 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 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 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 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 technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties. 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 informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. 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 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 provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. 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 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 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 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 preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair. Read More »
This technical bulletin provides repair information to correct a customer concern of hearing a pickup box ornamentation bar (Sports Bar) wind noise or rattle. 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 being unable to receive OnStar ?Over The Air? updates. 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 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 advises the technician that the Technical Assistance Center TAC has a part restriction for the Generator Control Module (GCM). 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 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 »
Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Correct battery cold cranking amperage (CCA) ratings and type are critical for proper test results when using the EL-50313. 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 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 informational bulletin provides information to dealership personnel regarding formulation of a lighter variant paint being made available in order to match the paint on trucks exhibiting a lighter color due to mis-application at the ... 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 PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE RAISED DENTS OR RIPPLE APPEARANCE IN THE SIDE OUTER PANEL OF THE CARGO BOX AROUND THE PERIMETER OF THE WHEEL HOUSE OPENING. Read More »
THIS INFORMATIONAL BULLETIN PROVIDES THE CORRECT INFORMATION THAT IS NEEDED TO CORRECTLY KNOW WHAT TPM SENSOR IS NEEDED TO BE INSTALLED ON VEHICLES IF THERE IS ACCESSORY WHEELS INSTALLED AND WHO TO CONTACT WHEN THE ACCESSORY WHEELS WILL ... Read More »
THIS INFORMATIONAL BULLETIN PROVIDES THE CORRECT INFORMATION THAT IS NEEDED TO CORRECTLY KNOW WHAT TPM SENSOR IS NEEDED TO BE INSTALLED ON VEHICLES IF THERE IS ACCESSORY WHEELS INSTALLED AND WHO TO CONTACT WHEN THE ACCESSORY WHEELS WILL ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE A POOR HEATER-VENT-AIR CONDITIONING AIR FLOW FROM THE PASSENGER SIDE FAR RIGHT DASH VENT WHEN COMPARED TO THE OTHER DASH VENTS. Read More »
THIS ENGINEERING INFORMATIONAL BULLETIN IS ENDING THE NEED FOR INFORMATION FROM THE FIELD OF VEHICLES WITH THE CONDITION OF USB PORT INOPERATIVE. 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 INFORMATION BULLETIN PROVIDE INFORMATION ON A NEW WAY TO LOOK AT NOX SENSOR READINGS AND EXHAUST TEMPERATURE DURING A DPF REGENERATION OR A REDUCTANT FLUID QUALITY TEST. 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 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 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 UPDATE THE IPC FIRMWARE TO CORRECT A CONCERN THAT A TECHNICIAN MAY HAVE AN ISSUE PERFORMING THE USB FILE TRANSFER PORTION OF THE IPC PROGRAMMING PROCESS IF THE ANDROID AUTO UPGRADE (BULLETIN ... Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPLACE THE PROPELLER SHAFT WITH A REVISED PART WHEN A BROKEN PROPELLER SHAFT OR U-JOINT IS FOUND. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE THE CONCERN AND THE STEPS TO REPAIR THE CONCERN. PHONE WILL NOT CONNECT TO ANDROID AUTO. Read More »
41710 - SERVICE UPDATE BULLETIN. THESE VEHICLES MAY HAVE LOOSE TRANSMISSION TO ENGINE FASTENERS. IMPROPER ALIGNMENT OF THE ENGINE AND TRANSMISSION COULD POTENTIALLY RESULT IN FLEX PLATE BREAKAGE. Read More »
15801 ? CUSTOMER SATISFACTION PROGRAM. VEHICLES EQUIPPED WITH THE DURAMAX DIESEL ENGINE OPTION AND THE AMBULANCE UPFITTER OR FIRE TRUCK UPFITTER OPTION MAY HAVE A CONDITION IN WHICH THE EMISSION CONTROL SYSTEM AS DESIGNED WILL LIMIT ... Read More »
THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES INFORMATION THAT 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 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 »
16999 - CUSTOMER SATISFACTION PROGRAM (STOP DELIVERY ORDER). THE BOLTS CONNECTING THE TRANSMISSION TO THE ENGINE MAY NOT BE TIGHTENED TO SPECIFICATION ON THESE VEHICLES (SUBSEQUENTLY CONVERTED TO SERVICE UPDATE BULLETIN 41710). 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 the technician with information on vehicles with navigation radio Regular Production Option Code IO6 or UY4 that defaults to West Virginia instead of Virginia on a manual entry. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE VEHICLES WITH VARIOUS NOISES ASSOCIATED WITH FOUR WHEEL DRIVE OPERATION. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A "SERVICE FRONT CAMERA" MESSAGE ON THE DRIVER INFORMATION CENTER INTERMITTENTLY. 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 »
This preliminary informational bulletin provides a procedure to replace a body plug to correct a body plugs vivible on vehicles equipped with 6 inch oval accessory chrome assist steps condition Read More »
15798 - CUSTOMER SATISFACTION PROGRAM. VEHICLES EQUIPPED WITH A 6-SPEED AUTOMATIC TRANSMISSION (RPO MW7) MAY HAVE A CONDITION IN WHICH THE PARK PAWL DOES NOT MEET THE REQUIRED HARDNESS SPECIFICATIONS. Read More »
15796A - SERVICE UPATE (REVISED). DUE TO THE SPECIAL EQUIPMENT NEEDED TO PERFORM THE REQUIRED REPAIR, ALL INVOLVED VEHICLES WERE DIVERTED BY GM TO A DESIGNATED THIRD PARTY REPAIR FACILITY PRIOR TO DELIVERY TO FINAL DESTINATION DEALERS. Read More »
15796A - SERVICE UPATE (REVISED). DUE TO THE SPECIAL EQUIPMENT NEEDED TO PERFORM THE REQUIRED REPAIR, ALL INVOLVED VEHICLES WERE DIVERTED BY GM TO A DESIGNATED THIRD PARTY REPAIR FACILITY PRIOR TO DELIVERY TO FINAL DESTINATION DEALERS. Read More »
Clean Exhaust Filter see owners manual now or cleaning exhaust filter keep driving until message is cleared displayed on DIC, DTC P2463 May be set Read More »
This technical bulletin provides repair information to correct a customer concern of hearing a squeak noise from the driver or passenger front door armrest area. Read More »
This preliminary informational bulletin provides information on the introduction of the Advanced Diagnostics - Proactive Alerts available on many models. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE DIESEL OXIDATION CONVERTER PART RESTRICTION HAS ENDED. DEALER CAN NOW ORDER THE PARTS THROUGH THE REGULAR CUSTOMER CARE AND AFTERSALES PARTS PROCESS. 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 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 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 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 being unable to receive OnStar ?Over The Air? updates. 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 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 informational bulletin provides information for the technician when looking up the P/N for the 3.5 mm audio jack for the USB, to make sure and enter the VIN# to ensure the correct part is being ordered. 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 information on GM offering the Android Auto feature upgrade for 2016 and 2017 model year vehicles and how to proceed with reprogramming the vehicles to include this application for use. 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 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 ENABLE THE 4G LTE WIFI ON NEWLY DELIVERED VEHICLES FOR SOME VEHICLES THAT WERE NOT SHIPPED WITH THE FEATURE NOT ENABLED. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO ENABLE THE 4G LTE WIFI ON NEWLY DELIVERED VEHICLES FOR SOME VEHICLES THAT WERE NOT SHIPPED WITH THE FEATURE NOT ENABLED. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT ARE FOUND TO HAVE A BACK-UP ALARM INOPERATIVE DURING THE PRE-DELIVERY INSPECTION. Read More »
THIS TECHNICAL BULLETIN PROVIDES DIAGNOSTIC TIPS TO HELP CORRECT MULTIPLE CONCERNS REGARDING THE USB PORT BEING INOPERATIVE OR UNABLE TO PLAY MUSIC THROUGH THE USB PORT. Read More »
THIS TECHNICAL BULLETIN PROVIDES DIAGNOSTIC TIPS TO HELP CORRECT MULTIPLE CONCERNS REGARDING THE USB PORT BEING INOPERATIVE OR UNABLE TO PLAY MUSIC THROUGH THE USB PORT. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO INSPECT THE AIR BOX AND AIR FILTER SEAL AND REPLACE IF NECESSARY TO CORRECT A CUSTOMER CONCERN THAT THE MALFUNCTION INDICATOR LIGHT (MIL) IS ILLUMINATED DUE TO EXCESSIVE SAND AND/OR DEBRIS ... 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 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 Regarding Servicing Components Located Near SIR Components and how to properly disable the SIR system for repairs at or near Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLES MAY HAVE INSTRUMENT PANEL CLUSTER, RADIO, AND HEATER-VENT-AIR CONDITIONING DISPLAYS BLANKING OUT. 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 preliminary informational bulletin provides information on the advanced diagnostic alerts that are sent via onstar, they inform of DTC and indicator lamps that are set within the vehicles. Read More »
This informational bulletin provides information regarding Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules 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 connectivity concerns when connecting an Apple device via USB cord. 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 Content Theft Deterrent RPO UTJ is included and only available with Remote Vehicle Start RPO BTV. 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 informational bulletin provides information to the customer on the radio display "info pages" being blank and to make sure to select in the "active info pages" menu. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the radio will not retain the previous settings and will go to the Home Icon screen when the vehicle is restarted. Read More »
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »
This informational bulletin provides information on GM offering the Android Auto feature upgrade for 2016 and 2017 model year vehicles and how to proceed with reprogramming the vehicles to include this application for use. Read More »
This technical bulletin is providing a procedure to reprogram the HMI module to correct multiple conditions including Waiting for Update Media Message, Voice Command For Calling Bluetooth Phone Contacts Inoperative, Intermittent Loss of ... Read More »
This Preliminary Information communication provides the technician with information on vehicles with navigation radio Regular Production Option Code IO6 or UY4 that defaults to West Virginia instead of Virginia on a manual entry. 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 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 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 REPROGRAM THE REAR ENTERTAINMENT MEDIA DISC PLAYER USING A PROVIDED DVD TO CORRECT THE CONDITION OF THE REAR ENTERTAINMENT PLAYER FREEZES ON START UP MENU DUE TO A CALIBRATION CONCERN. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE REAR ENTERTAINMENT MEDIA DISC PLAYER USING A PROVIDED DVD TO CORRECT THE CONDITION OF THE REAR ENTERTAINMENT PLAYER FREEZES ON START UP MENU DUE TO A CALIBRATION CONCERN. 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 TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE RADIO TO CORRECT A CUSTOMER CONCERN REGARDING A BUZZ OR STATIC NOISE CAUSED BY INTERNAL SOFTWARE. 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 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 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 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 TO CONTACT GM TECHNICAL ASSISTANCE CENTER TO REPORT THE CONCERN AND OBTAIN A CASE NUMBER WHEN A CUSTOMER MAY COMMENT THAT THEY WILL HAVE THE RADIO SHUT OFF, AND WHEN ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN TO CONTACT GM TECHNICAL ASSISTANCE CENTER TO REPORT THE CONCERN AND OBTAIN A CASE NUMBER WHEN A CUSTOMER MAY COMMENT THAT THEY WILL HAVE THE RADIO SHUT OFF, AND WHEN ... Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE RADIO TO CORRECT A CUSTOMER CONCERN OF BUZZ OR STATIC NOISE FROM RADIO AUDIO SPEAKERS, ANDROID AUTO CONNECTION ISSUES, INTERMITTENT BLACK SCREEN OR SIRIUS XM REVERTS TO XM1 ... Read More »
This Preliminary Information communication advises the technician when the radio display is continuously flashing on and off every five seconds the Human Machine Interface will need to be replaced. Read More »
This Preliminary Information communication advises the technician that vehicles with front seat Regular Production Option Codes A52, AZ3, or B3F may comment about low treble, or excessive bass from the front door speakers. 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 about vehicles that the navigation system will be unable to enter addresses that contain diacritics using the touch screen. Read More »
This Preliminary Information communication provides the technician with information on vehicles with navigation radio Regular Production Option Code IO6 or UY4 that defaults to West Virginia instead of Virginia on a manual entry. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH INFORMATION ON VEHICLES WITH NAVIGATION RADIO REGULAR PRODUCTION OPTION CODE IO6 OR UY4 THAT DEFAULTS TO WEST VIRGINIA INSTEAD OF VIRGINIA ON A MANUAL ENTRY. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE HMI MODULE TO CORRECT A CONDITION OF GPS INOPERATIVE, RED LINE ACROSS GPS INDICATOR OR THE LOCATION IS STUCK IN WARREN MICHIGAN. 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 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 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 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 how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »
This Preliminary information communicates a customer concern ofSIR light on with any DTC set in the SDM. During diagnostics a technician may find water in the SDM connector and is unable to locate a leak path. Read More »
This Preliminary Information communication advises the technician that the Allison LCT1000 transmission valve body part number (24262535) tank is no longer on restriction through the General Motors Product Quality Center. 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 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 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 the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. 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 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 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 provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. 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 information bulletin explains the labor operation numbers used for submitting warranty claims and how to setup, and reprogram modules. Read More »
This engineering information bulletin ends the need for information from the field on vehicles that have the condition of the Air bag light illuminated and SIR codes set within the SIR module. Read More »
This engineering informational bulletin is requesting information from the field on vehicles that have the condition of the rear view camera is inoperative. 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 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 INFORMATIONAL BULLETIN IS A SUPPLEMENT TO THE DURAMAX DIESEL COOLANT SYSTEM FILL AND HEAD GASKET REPLACEMENT PROCEDURE FOUND IN THE SERVICE INFORMATION. Read More »
THIS WARRANTY ADMINISTRATION BULLETIN PROVIDES POLICY INFORMATION ON USING GM SERVICE POLICIES AND PROCEDURE MANUAL THAT REPRESENT KEY GM REQUIREMENTS FOR SERVICE OPERATIONS. 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 PROVIDE POLICY INFORMATION ON USING THE EL-50313 MIDTRONICS GR8 BATTERY TESTER/CHARGER FOR DIAGNOSING BATTERY REPLACEMENTS AND MAINTAINING BATTERIES ON NEW VEHICLES IN DEALER INVENTORY. Read More »
THIS WARRANTY ADMINISTRATION BULLETIN PROVIDE POLICY INFORMATION ON USING THE EL-50313 MIDTRONICS GR8 BATTERY TESTER/CHARGER FOR DIAGNOSING BATTERY REPLACEMENTS AND MAINTAINING BATTERIES ON NEW VEHICLES IN DEALER INVENTORY. 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 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 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 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 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 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 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 »
Special Coverage - If a driver repeatedly sits on the seat belt cable cover located at the base of the driver?s seat when entering the vehicle, it may cause the seat belt pretensioner to bend sharply over the seat side shield. Read More »
This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties. Read More »
This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
Customer Satisfaction Program - Certain vehicles that had the front passenger seat cushion frame previously replaced, may not have had the adjuster stops transferred and are missing on the replacement part. 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 explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak. 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 »
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 when painting the bumper on a Work Truck use the paint code is 598F that is Anthracite color. 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 advises the technician that the Technical Assistance Center TAC has a part restriction for the Generator Control Module (GCM). 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 »
Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Correct battery cold cranking amperage (CCA) ratings and type are critical for proper test results when using the EL-50313. Read More »
This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank ... 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 TECHNICAL BULLETIN PROVIDES A PROCEDURE TO INSPECT THE AIR BOX AND AIR FILTER SEAL AND REPLACE IF NECESSARY TO CORRECT A CUSTOMER CONCERN THAT THE MALFUNCTION INDICATOR LIGHT (MIL) IS ILLUMINATED DUE TO EXCESSIVE SAND AND/OR DEBRIS ... 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 »
SOME TECHNICIANS MAY FIND DTC U184A - LOST COMMUNICATION WITH BODY CONTROL MODULE (BCM) SET OR STORED IN HISTORY. THIS CONDITION MAY BE DUE TO A FALSE SETTING OF THE DTC. 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 THE ALLISON LCT1000 VALVE BODY PART NUMBER 24262535 HAS BEEN PLACED ON RESTRICTION THROUGH GENERAL MOTORS PRODUCT QUALITY CENTER. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE ALLISON LCT1000 VALVE BODY PART NUMBER 24262535 HAS BEEN PLACED 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 FRONT CAMERA" MESSAGE ON THE DRIVER INFORMATION CENTER INTERMITTENTLY. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE ALLISON LCT1000 VALVE BODY HAS BEEN PLACED ON RESTRICTION THROUGH THE PRODUCT QUALITY CENTER TO ASSIST ENGINEERING WITH PRODUCT FEEDBACK. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A "SERVICE FRONT CAMERA" MESSAGE ON THE DRIVER INFORMATION CENTER INTERMITTENTLY. 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 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 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 PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE A POOR HEATER-VENT-AIR CONDITIONING AIR FLOW FROM THE PASSENGER SIDE FAR RIGHT DASH VENT WHEN COMPARED TO THE OTHER DASH VENTS. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE A POOR HEATER-VENT-AIR CONDITIONING AIR FLOW FROM THE PASSENGER SIDE FAR RIGHT DASH VENT WHEN COMPARED TO THE OTHER DASH VENTS. Read More »
THIS ENGINEERING INFORMATIONAL BULLETIN IS ENDING THE NEED FOR INFORMATION FROM THE FIELD OF VEHICLES WITH THE CONDITION OF INTERMITTENT HVAC COOLING ISSUES WHILE DRIVING. 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 THAT SOME VEHICLES MAY HAVE INSTRUMENT PANEL CLUSTER, RADIO, AND HEATER-VENT-AIR CONDITIONING DISPLAYS BLANKING OUT. 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 how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection ... Read More »
This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses. Read More »
