Technical Service Bulletins (TSBs) for the 2018 Camaro are official communications between Chevrolet & their dealerships that describe processes for troubleshooting or fixing certain common problems.
All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
This service bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining. 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 »
SPL Parts, Inc. manufacturers and distributes aftermarket lower control arms for dedicated competition vehicles and "track day" cars some of which may be used on both track and highway. Read More »
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. Read More »
This 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 for dealers/technicians on the availability of the steering wheel spoke lower cover as a service part. Read More »
This informational bulletin provides information for dealers/technicians on a power steering deflector kit available for resolving a high power steering temperature issue during track use. 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 informational bulletin provides information for dealers/technicians on the availability of the steering wheel spoke lower cover, as a service part. Read More »
This technical bulletin provides repair information to correct a customer concern of rattle noise heard from left side of steering column when driving over rough roads. 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 technical bulletin provides repair information to correct a customer concern of rattle noise heard from left side of steering column when driving over rough roads. Read More »
This service bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing ... Read More »
This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns. Read More »
This service bulletin provides information on a small allowable amount of grease seepage from a brass or gold colored fitting located at the bottom of the strut assemblies, which is actually part of the natural operation of these struts. 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 »
SPL Parts, Inc. manufacturers and distributes aftermarket lower control arms for dedicated competition vehicles and "track day" cars some of which may be used on both track and highway. 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 a procedure to replace the rear adjust link to correct a customer concern of a clunk or pop noise from rear suspension. 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 on a small allowable amount of grease seepage from a brass or gold colored fitting located at the bottom of the strut assemblies, which is actually part of the natural operation of these struts. Read More »
This service bulletin provides information on a small allowable amount of grease seepage from a brass or gold colored fitting located at the bottom of the strut assemblies, which is actually part of the natural operation of these struts. 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 informational bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining. Read More »
This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing ... Read More »
This Preliminary information communicates the direction for technicians to inspect the terminals at the Suspension Control Module for any communication codes setting or for any Suspension Module codes that may set in the vehicle. Read More »
This Preliminary Information document communicates direction to the dealership technicians to aid them in diagnosing a suspension noise related to these vehicles. Read More »
This service bulletin provides information on what parts need to be installed during PDI and what parts are to be installed by the customer. Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Read More »
This service bulletin provides information on a small allowable amount of grease seepage from a brass or gold colored fitting located at the bottom of the strut assemblies, which is actually part of the natural operation of these struts. Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Read More »
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 communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation. Read More »
This 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 a procedure for replacing the oil pump, power brake booster and power brake booster vacuum hose to eliminate a hard brake pedal and/or air type noise heard upon brake apply due to oil in the brake booster. Read More »
This service bulletin provides a procedure for replacing the oil pump, power brake booster and power brake booster vacuum hose to eliminate a hard brake pedal and/or air type noise heard upon brake apply due to oil in the brake booster. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P06DE set in the Engine Control Module. Read More »
This service bulletin provides information for dealers/technicians on brake fluid leak at the caliper, cracking, reduced brake performance, rub or grind noise, caliper paint appearance. Read More »
This technical bulletin provides a procedure for replacing the oil pump, power brake booster and power brake booster vacuum hose to eliminate a hard brake pedal and/or air type noise heard upon brake apply due to oil in the brake booster. Read More »
This Preliminary information communicates the fact that engineering is working on a field fix for a brake squeal noise during light brake apply. Read More »
This Preliminary Information communicates information to the servicing technicians for correctly handling complaints of brake noise on this vehicle. Read More »
This service bulletin provides information for cleaning the brake calipers that may have staining/discoloring on the paint of the brake caliper. Read More »
This service bulletin advises the technician to perform a burnishing on the brakes if the rotors are new to correct a customer concern of a fog horn type noise heard while braking. Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »
This informational bulletin provides information for dealers/technicians on brake fluid leak at the caliper, cracking, reduced brake performance, rub or grind noise, caliper paint appearance. Read More »
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR
This service bulletin provides information for cleaning the brake calipers that may have staining/discoloring on the paint of the brake caliper. Read More »
This informational bulletin provides information for dealers/technicians on brake fluid leak at the caliper, cracking, reduced brake performance, rub or grind noise, caliper paint appearance. Read More »
This technical bulletin provides a procedure to validate if the parking pawl actuator is not working as intended, causing the parking pawl to engage while driving. Read More »
This preliminary informational bulletin provides information regarding the normal characteristic of instrument panel red brake light intermittently comes on. Read More »
This technical bulletin provides a procedure to validate if the parking pawl actuator is not working as intended, causing the parking pawl to engage 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 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 information to the technician about diagnosing a battery draw, or a concern where the engine may not be able to be turned off. 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 service bulletin provides diagnostic strategy information to aid in diagnosing a Ticking, Tap or Rattle Noise from Engine with Possible Misfire, Malfunction Indicator Lamp (MIL) Illuminated. Read More »
This service bulletin provides diagnostic aid information/procedures to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from ... 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 aid procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine. Read More »
This service bulletin provides diagnostic information for the technician regarding a customer concern of engine overheating, cooling system contaminated with engine oil. Read More »
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. Read More »
This Preliminary information communicates to technician's if they remove the front timing cover when performing a repair, they should inspect the timing chain guide upper bolt for being loose. 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 aid procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine. Read More »
This Preliminary Information communicates information to the technician about diagnosing a battery draw, or a concern where the engine may not be able to be turned off. 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 Preliminary Information communication provides information to the technician about vehicles that have hard start, extended crank, or black smoke from the exhaust when starting. Read More »
This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record ... Read More »
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Read More »
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »
This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours. Read More »
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D Read More »
This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels ... Read More »
This informational bulletin explains to the tech on how to order a new fuel injector by matching the part number on the part and ordering it from the EPC. Read More »
This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »
This technical bulletin provides 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 technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »
This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. Read More »
This technical bulletin provides repair information for replacement of the drive belt tensioner to correct a customer concern for a rattle noise at 48 km/h (30 mph) to 64 km/h (40 mph) when the engine is switching between V4 and V8 and/or ... Read More »
This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »
This diagnostic tip provides a procedure to aid in performing a diagnostic test to verify if the camshaft alignment pin has been sheared away to correct a crank/No Start condition. Read More »
This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with ... Read More »
This diagnostic tip provides a procedure to aid in performing a diagnostic test to verify if the camshaft alignment pin has been sheared away. Read More »
This technical bulletin provides a procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine. Read More »
This Bulletin provides information for rebuilding fuel injectors in the event of an underhood fuel odor and/or extended cranking condition. Read More »
This technical bulletin provides a procedure to modify the right rear exhaust control valve actuator to correct a rattle noise heard from the rear of the vehicle. Read More »
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »
This technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software. Read More »
This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with ... Read More »
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Read More »
This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours. Read More »
This Preliminary information 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 technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software. Read More »
This informational bulletin provides diagnostic/inspection information for the air box and air filter seal to correct a MIL and DTCs P0420 and P0430 setting. Read More »
This 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 technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software. Read More »
This technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software. Read More »
This technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software. Read More »
This technical bulletin provides a procedure on locating an engine wiring harness chaffing concern at the rear side of the engine manifold and repair accordingly in circuit 2501. Read More »
This technical bulletin provides a procedure on locating an engine wiring harness chaffing concern at the rear side of the engine manifold and repair accordingly in circuit 2501. Read More »
This technical bulletin provides a procedure on locating an engine wiring harness chaffing concern at the rear side of the engine manifold and repair accordingly in circuit 2501. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on and Diagnostic Trouble Code P0300 - P0308 may set. Read More »
This Preliminary information communicates to the technician where to find the engine identification tag and what information on that tag to use during programming of someengine control modules. Read More »
This Preliminary information communicates additional diagnostics to assist the dealer technician with diagnosing and repairing trouble code P2097. Read More »
This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes. Read More »
This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes. Read More »
This Preliminary information communicates diagnostic tips for misfires on active fuel management cylinders and engineering investigations into cylinder 6 misfire on XT5 and cylinder 4 misfire on LaCrosse both of which are 2017. Read More »
This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or ... Read More »
This Preliminary Information communication provides 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 extended or long crank time during cold ambient air temperatures. Read More »
This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes. Read More »
This Preliminary information communicates diagnostic tips for misfires on active fuel management cylinders and engineering investigations into cylinder 6 misfire on XT5 and cylinder 4 misfire on LaCrosse both of which are 2017. Read More »
This Bulletin provides guidelines for Dealers required to contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of ... Read More »
This informational bulletin provides a revision for 09-06-04-015B (Vehicles Sitting Outside on Dealer Lots for Extended Periods with Hard Start/No Start Condition) to add the 2015-2018 model years. Read More »
This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2 9U.S. and Canada Read More »
This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes. Read More »
This Preliminary information communicatesP0016 setting after internal engire repair. The engine Base timing is not being set correctly. The information in this PI will be helpful in setting the timing in the vehicle. Read More »
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Read More »
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »
This Preliminary Information communication provides information to the technician 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 technical bulletin provides repair information for replacement of the drive belt tensioner to correct a customer concern for a rattle noise at 48 km/h (30 mph) to 64 km/h (40 mph) when the engine is switching between V4 and V8 and/or ... Read More »
This informational bulletin provides information to dealership personnel on automatic transmission shift and engine drivability concerns and/or MIL ON due to aftermarket oil bath air filter use. Read More »
This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC ... Read More »
This Preliminary information communicates the fact that a small gap at the air filter housing is acceptable and it will not cause any negative effects with the operation of the vehicle. Read More »
This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with ... Read More »
This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only). Read More »
Engine Overheat When Driving Aggressively with Accessory Grille and Outboard Cooler Installed Condition - Some customers may comment on the vehicle overheating when driving aggressively with accessory grille installed in addition to ... Read More »
This informational bulletin advises the technician not to change the crankshaft balancer if it has the illusion of a wobble or vibration appearance. Read More »
This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a knock noise, seized engine, lower end squeak or squeal from the engine. Read More »
This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on engine surfaces. Read More »
This 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 service bulletin provides repair information to correct a customer concern of a chirp, squeak noise heard coming from the rear of vehicle. Read More »
This service bulletin provides a procedure to replace the exhaust resonator/muffler assembly to correct a customer concern of rattle noise from exhaust. Read More »
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, ... Read More »
This service bulletin provides a procedure to replace the exhaust resonator/muffler assembly to correct a customer concern of rattle noise from exhaust. Read More »
This informational bulletin advises the tech to validate if oil is leaking into the cooling system and to test and verify were to leak is coming from before replacing all the parts that wouldn't apply to the repair. Read More »
This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminateda??. Read More »
This service bulletin provides diagnostic aid information/procedures to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from ... Read More »
This service bulletin provides information on Corvette and Camaro Exhaust Tone During Wide Open Throttle while in Sport or Track Modes and that this is considered a normal characteristic. 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 service bulletin informs the technician that if the vehicle has an engine misfire with DTC P0300 set, and superchargera??s cooling system has been previously repaired, it must be properly evacuated and filled. 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 service bulletin provides information for dealers/technicians on Rough Idle, Malfunction Indicator Lamp (MIL) Illuminated After Engine Repairs with DTCs P0016 and/or P0018 Set. Read More »
This service bulletin provides repair information to correct a customer concern of a chirp, squeak noise heard coming from the rear of vehicle. 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 diagnostic aid information/procedures to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from ... Read More »
This service bulletin provides repair information to correct a customer concern of a chirp, squeak noise heard coming from the rear of vehicle. 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 information on Corvette and Camaro Exhaust Tone During Wide Open Throttle while in Sport or Track Modes and that this is considered a normal characteristic. 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 informational bulletin advises the tech to validate if oil is leaking into the cooling system and to test and verify were to leak is coming from before replacing all the parts that wouldn't apply to the repair. 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 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 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 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 service bulletin provides information on Corvette and Camaro Exhaust Tone During Wide Open Throttle while in Sport or Track Modes and that this is considered a normal characteristic. 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 informs the technician that if the vehicle has an engine misfire with DTC P0300 set, and superchargera??s cooling system has been previously repaired, it must be properly evacuated and filled. Read More »
This service bulletin provides a repair procedure to correct customer concerns of Reduced Performance, Reduced Power, Engine Misfire, Malfunction Indicator Lamp (MIL) Illuminated. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »
This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours. Read More »
This service bulletin provides inspection/diagnosis/correction information on a cold start misfire and/or rough idle and DTC P0300 that may also be set. 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 service bulletin provides repair procedures, depending on model year, to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated with DTC P0172, P06DE and/or P0521 Set. Read More »
This service bulletin advises the technician of a diagnostic test for a possible issue with a damaged OCV solenoid that may cause an oil leak and misfire, illuminating the MIL and setting DTCs P0300, P0302 and/or P0305. Read More »
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D Read More »
This informational bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine ... Read More »
This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »
This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated?. Read More »
This service bulletin provides diagnostic aid procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have oil mixed in with the engine coolant. Read More »
This service bulletin provides diagnostic information for the technician regarding a customer concern of engine overheating, cooling system contaminated with engine oil. Read More »
This service bulletin provides diagnostic information for the technician regarding a customer concern of engine overheating, cooling system contaminated with engine oil. Read More »
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P06DE set in the Engine Control Module. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Read More »
This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global ... Read More »
This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »
This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »
This Preliminary information 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 service bulletin provides information that you cannot have an accessory grille installed at the same time as the aux cooler because this may cause the vehicle to overheat due to the grille not allowing air to pass to cool the engine. Read More »
This Bulletin provides inspection/diagnosis/correction information on a cold start misfire and/or rough idle and DTC P0300 that may also be set. Read More »
This informational bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have oil mixed in with the engine coolant. Read More »
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have oil mixed in with the engine coolant. Read More »
This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours. Read More »
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »
This Preliminary Information communication provides information to the technician how to diagnose and repair a vehicle with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a coolant loss and/or coolant odor after driving the vehicle. Read More »
This Preliminary Information communication provides the technician with the diagnosis and repair steps for a vehicle with a check engine light on with Diagnostic Trouble Code P015B or a reduced engine power message with Diagnostic Trouble ... 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 to gather information from the field to determine a root cause for a condition of oil leaking from the valve rocker arm oil control valve. Read More »
This diagnostic tip provides information to the tech to aid in performing a diagnostic test to verify if the camshaft alignment pin has been sheared away. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have Diagnostic Trouble Code P06DD or no or low oil pressure. Read More »
This informational bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. Read More »
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D Read More »
This technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software. Read More »
This technical bulletin provides a procedure on locating an engine wiring harness chaffing concern at the rear side of the engine manifold and repair accordingly in circuit 2501. Read More »
This Preliminary Information communicates information to assist dealership technicians in diagnosing an exhaust related noise on these vehicles. 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 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 technical bulletin provides a procedure to replace the Schrader valve port with a open fill port to aid in filling the supercharger cooling system and to correct the engine performance. Read More »
This preliminary informational bulletin provides repair information for a customer concern of an engine runs rough with the Check Engine Light (CEL) on/low compression on cylinder with misfire. A technician may find DTC P0300 set. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. Read More »
This Preliminary Information communication provides the technician with the diagnosis and repair steps for a vehicle with a check engine light on with Diagnostic Trouble Code P015B or a reduced engine power message with Diagnostic Trouble ... Read More »
This Preliminary Information communicates an additional location and condition for technicians to look at when diagnosing an exhaust rattle noise. Read More »
This technical bulletin provides a procedure to install an oil cooler line fitting seal, including applying medium strength threadlocker (blue) to the retaining bolt to stop transmission fluid leaking from the transmission oil cooler line ... Read More »
This Bulletin provides inspection/diagnosis/correction information on a cold start misfire and/or rough idle and DTC P0300 that may also 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 about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an engine oil odor with no oil leaks found. Technician will need to inspect for an external oil leak. Read More »
This Preliminary information communicatesA vehicle may have a concern ofDTCP050D settingalongwith a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a coolant loss and/or coolant odor after driving the vehicle. Read More »
This PI was superseded to update model years and add information concerning idle surge, reduced engine power mode, and/or DTCs P0068, P0121, P1516, P2101, P2119, and/or P2176 that may be experienced on high mileage vehicles. Read More »
This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL on. Read More »
This technical bulletin provides a procedure to balance the folding top front latching mechanism and actuator motor to correct a condition of a "Top Not Secure" message being displayed on the DIC. Read More »
This Preliminary Information communication provides the technician with the diagnosis and repair steps for a vehicle with a check engine light on with Diagnostic Trouble Code P015B or a reduced engine power message with Diagnostic Trouble ... Read More »
This Preliminary Information communication provides the technician with the diagnosis and repair steps for a vehicle with a check engine light on with Diagnostic Trouble Code P015B or a reduced engine power message with Diagnostic Trouble ... Read More »
This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »
This technical bulletin provides a procedure to inspect the wires and/or replace the Valve Rocker Arm Oil Control Valves if the DTCs listed are set. 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 technical bulletin provides repair information for replacement of the drive belt tensioner to correct a customer concern for a rattle noise at 48 km/h (30 mph) to 64 km/h (40 mph) when the engine is switching between V4 and V8 and/or ... Read More »
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
This technical bulletin provides a procedure to replace the Schrader valve port with an open fill port to aid in filling the supercharger cooling system and to correct the engine performance. Read More »
This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center. Read More »
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:OIL COOLER
This service bulletin informs the technician that if the vehicle has an engine misfire with DTC P0300 set, and supercharger?s cooling system has been previously repaired, it must be properly evacuated and filled. Read More »
ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »
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 »
Emission Recall. General Motors has decided to conduct a voluntary emissions recall involving certain vehicles equipped with a performance air intake system (LPO RVK or 5W7). Read More »
Emissions Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles, equipped with 4-cylinder engines (RPO LHN, LEX, L3A, LYX, LKN, LE2, LCV or LTG). Read More »
Emissions Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles, equipped with 4-cylinder engines (RPO LHN, LEX, L3A, LYX, LKN, LE2, LCV or LTG). 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 »
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »
This informational bulletin provides information that you cannot have an accessory grille installed at the same time as the aux cooler because this may cause the vehicle to overheat due to the grille not allowing air to pass to cool the ... Read More »
ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »
ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS
This informational bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine ... Read More »
This service bulletin provides a procedure to replace the exhaust resonator/muffler assembly to correct a customer concern of rattle noise from exhaust. Read More »
This service bulletin provides a procedure to replace the exhaust resonator/muffler assembly to correct a customer concern of rattle noise from exhaust. Read More »
This Preliminary Information communicates information to assist dealership technicians in diagnosing an exhaust related noise on these vehicles. Read More »
This service bulletin provides information on Corvette and Camaro Exhaust Tone During Wide Open Throttle while in Sport or Track Modes and that this is considered a normal characteristic. Read More »
This service bulletin provides information on Corvette and Camaro Exhaust Tone During Wide Open Throttle while in Sport or Track Modes and that this is considered a normal characteristic. Read More »
This service bulletin provides information on Corvette and Camaro Exhaust Tone During Wide Open Throttle while in Sport or Track Modes and that this is considered a normal characteristic. Read More »
This Preliminary Information communicates an additional location and condition for technicians to look at when diagnosing an exhaust rattle noise. Read More »
This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up. Read More »
This technical bulletin provides a procedure to modify the right rear exhaust control valve actuator to correct a rattle noise heard from the rear of the vehicle. Read More »
This informational bulletin explains the normal characteristics of exhaust noise during active fuel management when in Three or Four Cylinder Mode. Read More »
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 informational bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states. Read More »
This preliminary information document communicates a tip on the way to diagnose possible induction or exhaust air leaks using the evaporative emission cart smoke machine and ultrasonic leak detector tools. Read More »
18239 - Emissions Recall - General Motors has decided to conduct a Voluntary Emission Recall involving certain 2018 model year vehicles, equipped with 4-cylinder engines (RPO LHN, LEX, L3A, LYX, LKN, LE2, LCV or LTG). Read More »
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
This Preliminary information communicates to the dealer additional information on checking for the engne crankcase being overfull on oil causing an engine vibration concern. Read More »
This technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software. Read More »
This technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software. Read More »
This technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software. Read More »
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
This informational bulletin explains how the catalytic converters may need an inspection, cleaning or replacement if debris have entered the exhaust system. Read More »
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation. Read More »
This bulletin provides a procedure to locate and repair a possible noise coming from the fuel pressure feed line to correct customers concern of Ticking/Rattle/Buzzing Noise heard from inside passenger side. 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 bulletin provides a procedure to locate and repair a possible noise coming from the fuel pressure feed line that can cause the customers noise concern. Read More »
This service bulletin provides a procedure to install tie straps to reposition the internal fuel lines away from the ICV Flap internal to the fuel tank to prevent fuel spit back from the filler nozzle. 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 Code P2097 or P2099. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »
This service bulletin provides a procedure to install tie straps to reposition the internal fuel lines away from the ICV Flap internal to the fuel tank to prevent fuel spit back. Read More »
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or ... Read More »
This informational bulletin provides information on where to look when the vehicle is experiencing the conditions of Malfunction Indicator Lamp Illuminated? 5V Reference, Reduced Power, Extended Crank, Body Harness to Fuel Tank Damage due ... Read More »
This Preliminary information communicates the use of Winter grade fuel during the warm months of 2020 and the potential rivability issues that it can cause. Read More »
This technical bulletin provides a procedure to install an oil cooler line fitting seal, including applying medium strength threadlocker (blue) to the retaining bolt to stop transmission fluid leaking from the transmission oil cooler line ... Read More »
This Bulletin provides information for rebuilding fuel injectors in the event of an underhood fuel odor and/or extended cranking condition. Read More »
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. Read More »
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
This technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software. Read More »
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation. Read More »
This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. Read More »
This Preliminary information communicates diagnostic tips for misfires on active fuel management cylinders and engineering investigations into cylinder 6 misfire on XT5 and cylinder 4 misfire on LaCrosse both of which are 2017. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Read More »
This informational bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles. Read More »
This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set. Read More »
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation. Read More »
FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. Read More »
This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation. Read More »
This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels ... Read More »
This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have extended or long crank time during cold ambient air temperatures. Read More »
This informational bulletin explains to the tech on how to order a new fuel injector by matching the part number on the part and ordering it from the EPC. Read More »
This Bulletin provides information for rebuilding fuel injectors in the event of an underhood fuel odor and/or extended cranking condition. Read More »
This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up. Read More »
This technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software. Read More »
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer. Read More »
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
This informational bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles. Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
This informational bulletin advises the tech of a possible normal condition when the vehicle creeps forward during start up conditions when the clutch packs are full of residual oil. 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 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 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 Preliminary Information communication advises the technician on diagnostic aids to help with the diagnosis and repair of 8 Speed Transmissions Read More »
this service bulletin advises the technician to replace the transmission and not overhaul it to correct a customer concern of Manual Transmission Pops/Jumps Out of Third Gear After Shifting and During Acceleration. Read More »
this service bulletin advises the technician to replace the transmission and not overhaul it to correct a customer concern of Manual Transmission Pops/Jumps Out of Third Gear After Shifting and During Acceleration. 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 information to address a tire chatter noise during low speed tight turn conditions (i.e. parking lot, driveway, etc.) primarily during cooler ambient temperatures. Read More »
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
This service bulletin provides information to dealership personnel on automatic transmission shift and engine driveability concerns and/or MIL ON due to aftermarket oil bath air filter use. Read More »
This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have the door locks will unlock immediately after auto locking usually at startup or while driving. Read More »
This service bulletin provides a repair procedure to correct a customer concern of Delayed and/or Harsh Engagement of Transmission Shift After Vehicle Sitting with Engine Off. 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 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 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 Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with ... Read More »
This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the engine is started while diagnosing for noise from the engine or transmission. Read More »
This informational bulletin provides information to address a chatter noise during low speed tight turn conditions (i.e. parking lot, driveway, etc.) primarily during cooler ambient temperatures. Read More »
This Preliminary Information communicates additional information to the customer on the "No Lift Shift" feature found on all Manual Transmission equipped Camaros. 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 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 Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. Read More »
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, ... Read More »
This Preliminary information communicates to technician's if they remove the front timing cover when perprming a repair, they should inspect the timing chain guide upper bolt for being loose. Read More »
This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global ... Read More »
This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »
This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »
This informational bulletin provides information for dealers/technicians on a power steering deflector kit available for resolving a high power steering temperature issue during track use. Read More »
This engineering information (EI) closure ends the need for information from the field in regards to a leak from the Transmission Front Input Shaft Seal and/or Rear Main Shaft Seal. Read More »
This technical bulletin provides a repair procedure to correct a customer concern of Delayed and/or Harsh Engagement of Transmission Shift After Vehicle Sitting with Engine Off. Read More »
This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »
This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record ... Read More »
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 technical bulletin provides a procedure to validate if the parking pawl actuator is not working as intended, causing the parking pawl to engage while driving. 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 engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineers listed in regards to a leak from the Transmission Front Input Shaft Seal and/or Rear Main Shaft Seal. Read More »
This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Read More »
This technical bulletin provides a procedure to install an oil cooler line fitting seal, including applying medium strength threadlocker (blue) to the retaining bolt to stop transmission fluid leaking from the transmission oil cooler line ... Read More »
This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. 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 technical bulletin provides a procedure to replace the center support bearing to correct a condition of a flutter noise emitting from the center of the vehicle. Read More »
This engineering information bulletin ends the need for information from the field on an Intermittent No Forward and/or No Reverse While Driving condition. If this condition is encountered, refer to SI for further diagnosis. 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 Preliminary information communicates to the dealer technician that the torque converters for the 10L80 and 10L90 10 speed transmission are on restriction through the Product Quality Center. 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 technical bulletin provides information for new transmission oil to use, a procedure for exchanging the old fluid and adding the new fluid to a service transmission. Read More »
This Preliminary information communicates to the dealer technician that the torque converters for the 10L80 and 10L90 10 speed transmission are on restriction through the Product Quality Center. Read More »
This Preliminary information communicates to the dealer technician that the 10L90 and 10L80 transmissions have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly. Read More »
This Preliminary information communicates to the dealer technician that the valve body Part Unique Number (PUN) may contain the letter O or the number 0. 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 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 engineering information PI is requesting information from the field on the left, right and/or both ground effects rockers that are loose and/or pulling away from the body of the vehicle to determine a root cause. Read More »
This technical bulletin provides a procedure to validate if the parking pawl actuator is not working as attended causing the parking pawl to engage while driving. 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 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 technical bulletin provides a procedure to flush and drain fluids for the transmission to eliminate a shake and/or shudder during a light throttle acceleration between 40 and 128 KM/H (25 and 80 MPH) at a steady state. Read More »
Service Update. On a small number of the vehicles identified above, the electrical connector to the transmission valve body solenoids may not be fully seated. Read More »
Service Update. On a small number of the vehicles identified above, the electrical connector to the transmission valve body solenoids may not be fully seated. Read More »
This Preliminary information communicates to the dealer technician that the 10L90 and 10L80 transmissions have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly. Read More »
This Preliminary information communicatesSES lamp, setting DTC P0333 when shifting the Transmissionfrom park.DTC P0333 cansetdue to voltage from the Transmission park/neutral signal 1circuit bleeding into the knock sensor system circuits. Read More »
This Preliminary information communicates to the dealer technician that the 10R90 and 10L80 transmissions havebeen place on a part restriction. Dealers are to contact theProduct Quality Center before replacing the transmission assembly. Read More »
This Preliminary information communicates to the dealer technician that the 10R90 and 10L80 transmissions havebeen place on a part restriction. Dealers are to contact theProduct Quality Center before replacing the transmission assembly. Read More »
This Preliminary information communicates to the dealer technician that the torque converters for the 10L80 and 10L90 10 speed transmission are on restriction through the ProductQuality Center. Read More »
This Preliminary Information communication advises the technician that the Product Quality Center has ended the part restriction for the T87A Transmission Control Module. Read More »
This Preliminary information communicates to the dealer technician that the 10R90 and 10L80 transmissions havebeen place on a part exchange. Dealers are to contact theProduct Quality Center before replacing the transmission assembly. Read More »
This Preliminary information communicates that a vibration concern on deceleration can be felt in the floor, seat, console and steering wheel between speeds of 70-60 MPH in 6th gear has been identified by G.M. Read More »
This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. Read More »
This informational bulletin provides information to dealership personnel on automatic transmission shift and engine drivability concerns and/or MIL ON due to aftermarket oil bath air filter use. Read More »
This Preliminary Information communication provides information to the technician 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 Product Quality Center has a part restriction for the T87A Transmission Control Module. Read More »
This Preliminary information communicates to the dealer technician that the 10R90 and 10L80 transmissions havebeen place on a part exchange. Dealers are to contact theProduct Quality Center before replacing the transmission assembly. Read More »
This engineering informational bulletin is requesting information from the field on vehicles that have the condition of a Torque Converter Shudder. Read More »
This Preliminary information communicates to the dealer technician that the 10R90 and 10L80 transmissions have been placed on a part exchange. Dealers are to contact the Product Quality Center before replacing the transmission assembly. Read More »
17335-Customer Satisfaction Program. Certain vehicles, equipped with 10-speed automatic transmission (RPO MGL), may have a condition in which the transmission was overfilled during production. 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 »
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
This informational bulletin 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 Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Read More »
This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with ... Read More »
This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. Read More »
This Bulletin provides guidelines for Dealers required to contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of ... Read More »
This technical bulletin provides a procedure to flush and drain fluids for the transmission to eliminate a shake and/or shudder during a light throttle acceleration between 40 and 128 KM/H (25 and 80 MPH) at a steady state. 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 communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. Read More »
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT
This technical bulletin provides a procedure to install an oil cooler line fitting seal, including applying medium strength threadlocker (blue) to the retaining bolt to stop transmission fluid leaking from the transmission oil cooler line ... Read More »
POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER
This Preliminary information communicates to the dealer technician that the torque converters for the 10L80 and 10L90 10 speed transmission are on restriction through the Product Quality Center. Read More »
This engineering informational bulletin is requesting information from the field on vehicles that have the condition of a Torque Converter Shudder. Read More »
This engineering informational bulletin is requesting information from the field on vehicles that have the condition of a Torque Converter Shudder. Read More »
POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:PARK PAWL
This technical bulletin provides a procedure to replace the center support bearing to correct a condition of a flutter noise emitting from the center of the vehicle. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Read More »
This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961). Read More »
This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Read More »
This service bulletin provides diagnostic/repair information for dealers/technicians on a no start, smoke/fire originating from trunk, radio click noise or inoperative, Malfunction Indicator Lamp (MIL) illuminated, and/or various ... 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 »
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 service bulletin provides information for dealers/technicians on Rough Idle, Malfunction Indicator Lamp (MIL) Illuminated After Engine Repairs with DTCs P0016 and/or P0018 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 Preliminary Information communication provides information to the technician about vehicles that may have the door locks will unlock immediately after auto locking usually at startup or while driving. Read More »
This service bulletin provides information on where to look when the vehicle is experiencing the conditions of Malfunction Indicator Lamp Illuminateda?? 5V Reference, Reduced Power, Extended Crank, Body Harness to Fuel Tank Damage due to ... 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 »
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 warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with ... Read More »
This Preliminary Information communicates information to the technician about diagnosing a battery draw, or a concern where the engine may not be able to be turned off. Read More »
This service bulletin provides information on where to look when the vehicle is experiencing the conditions of Malfunction Indicator Lamp Illuminateda?? 5V Reference, Reduced Power, Extended Crank, Body Harness to Fuel Tank Damage due to ... Read More »
This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw. Read More »
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »
This service bulletin provides repair procedures, depending on model year, to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated with DTC P0172, P06DE and/or P0521 Set. Read More »
This service bulletin advises the technician of a diagnostic test for a possible issue with a damaged OCV solenoid that may cause an oil leak and misfire, illuminating the MIL and setting DTCs P0300, P0302 and/or P0305. 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 a process to correct the concern of Unable to contact OnStar after the 3G EOL on 2015-2022 model year vehicles in the United States. Read More »
This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw. Read More »
This service bulletin provides diagnostic strategy information to aid in diagnosing a Ticking, Tap or Rattle Noise from Engine with Possible Misfire, Malfunction Indicator Lamp (MIL) Illuminated. Read More »
The purpose of this Preliminary Information is to provide dealership technicians some tips on installation of this kit, as well as some common areas to check if the system is inoperative after installation. 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 »
Emission Recall. General Motors has decided to conduct a voluntary emissions recall involving certain vehicles equipped with a performance air intake system (LPO RVK or 5W7). Read More »
This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set. Read More »
This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. Read More »
This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw. Read More »
This Preliminary Information communicates information to the technician about diagnosing a battery draw, or a concern where the engine may not be able to be turned off. Read More »
This Preliminary Information communicates information to the technician about diagnosing a battery draw, or a concern where the engine may not be able to be turned off. 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 »
The purpose of this Preliminary Information is to provide dealership technicians some tips on installation of this kit, as well as some common areas to check if the system is inoperative after installation. Read More »
This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P0333 Set. Read More »
This technical bulletin provides a procedure to correct customer concerns of Instrument Panel Cluster (IPC) Gauges Inoperative, Numerous Driver information Center (DIC) Error Messages, No Brake or Electric Power Steering Assist, ... Read More »
This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. Read More »
This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. Read More »
This technical bulletin provides a procedure to correct a customer concern of Reduction in Power, Malfunction Indicator Lamp (MIL) Illuminated - DTC P17A2 Set. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have hard start, extended crank, or black smoke from the exhaust when starting. 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 a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. Read More »
This Preliminary information communicates to the dealer technician that if after replacing the valve body on an 8L45 or 8L90 transmission the vehicle will not move the valve body may be missing a plug and retainer bolt. Read More »
This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw. Read More »
This informational bulletin provides information on Clicking/Ticking Sound/Noise Heard During Cold Start and that this should be considered a normal characteristic. Read More »
This informational bulletin provides information on where to look when the vehicle is experiencing the conditions of Malfunction Indicator Lamp Illuminated? 5V Reference, Reduced Power, Extended Crank, Body Harness to Fuel Tank Damage due ... Read More »
This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Read More »
This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. Read More »
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester ... Read More »
This Preliminary information communicates to the dealer technician that the part numbers for the internal wiring harnesses for the 8 speed RWD transmissions are not listed in the Electronic Parts Catalog. 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 vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Read More »
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes E4398, E4399, E4403, M4404, M4413, E4414, E4423, E4491 or E6961). Read More »
This Preliminary Information 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 information on relearning the power windows if they become inoperative after the vehicle's battery becomes discharged. 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 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 technical bulletin provides a procedure to replace the starter solenoid cable due to circuit 1 shorted to ground at the starter heat shield. 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 technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software. Read More »
This technical bulletin provides a procedure on locating an engine wiring harness chaffing concern at the rear side of the engine manifold and repair accordingly in circuit 2501. Read More »
This technical bulletin provides a procedure on locating an engine wiring harness chaffing concern at the rear side of the engine manifold and repair accordingly in circuit 2501. Read More »
This informational bulletin provides information for dealers/technicians on diagnosis of no start, radio click noise or inoperative, Malfunction Indicator Lamp (MIL) illuminated, and/or various electrical issues. Read More »
Customer Satisfaction Program. Certain vehicles, may have a condition in which the sensing and diagnostic module (SDM) was reprogrammed during service with the incorrect calibration, which is intended for high performance (HP) vehicles. Read More »
Customer Satisfaction Program. Certain vehicles, may have a condition in which the sensing and diagnostic module (SDM) was reprogrammed during service with the incorrect calibration, which is intended for high performance (HP) vehicles. Read More »
This technical bulletin provides a procedure to replace the GEN I charging system with a GEN II charging system only if vehicles apply within the settings. Read More »
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module. Read More »
Emissions Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles, equipped with 4-cylinder engines (RPO LHN, LEX, L3A, LYX, LKN, LE2, LCV or LTG). Read More »
Emissions Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles, equipped with 4-cylinder engines (RPO LHN, LEX, L3A, LYX, LKN, LE2, LCV or LTG). Read More »
Service Update. On a small number of the vehicles identified above, the electrical connector to the transmission valve body solenoids may not be fully seated. Read More »
Service Update. On a small number of the vehicles identified above, the electrical connector to the transmission valve body solenoids may not be fully seated. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on and Diagnostic Trouble Code P0300 - P0308 may set. Read More »
This Preliminary information communicatesThe vehicle may have an ses lamp with any of the following DTC P06DA, P06DB, P06DC, P250A, P0300, P0340, P0341, P0335, P0336, P0641, P0011, P0010, P2088, P2089, and/or P2230. Read More »
This Preliminary information communicates that a customer may bring a vehicle in with a complaint of the Heads Up Display (HUD) frozen or inoperative. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. 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 connectivity concerns when connecting an Apple device via USB cord. Read More »
This technical bulletin provides a procedure to replace the HMI module to correct a condition of Radio Control (ICS) Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu due to a software concern. Read More »
This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Read More »
This technical bulletin provides a procedure to properly reprogram an onstar module to correct a condition of Red LED, No WiFi Operation, and/or Limited OnStar? Module Functionality After OnStar Module Replacement for Another Condition. Read More »
This 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 in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Read More »
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. Read More »
This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries. Read More »
This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Read More »
This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Read More »
This Preliminary information communicates diagnostic tips for misfires on active fuel management cylinders and engineering investigations into cylinder 6 misfire on XT5 and cylinder 4 misfire on LaCrosse both of which are 2017. Read More »
This Preliminary information communicates that a customer may bring a vehicle in with a complaint of the Heads Up Display (HUD) frozen or inoperative. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. 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 technical bulletin provides a procedure to reprogram the cluster to correct a condition of Intermittent Blank/Missing Driver Information Center Info Pages Upon Start Up due to a software abnormality. Read More »
This informational bulletin provides information on OnStar? VCIM is currently restricted parts. By working closely with our dealers and technicians, through the part restriction process, the General Motors team will gain a better ... Read More »
This Preliminary Information communication provides information to the technician that when scanning a vehicle for Diagnostic Trouble Codes, may find a temporary loss of Human Machine Interface communication with Global Diagnostic System 2. Read More »
This Preliminary Information communication provides information to the technician about vehicles that do not recognize the SD card when it is used in the Performance Data Recorder (PDR) system. 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 communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses. Read More »
This Preliminary Information communicates information to the technician about diagnosing a battery draw, or a concern where the engine may not be able to be turned off. Read More »
This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. Read More »
This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message On and Off. Read More »
This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the transport mode message on and off. Read More »
This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries. Read More »
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 technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the transport mode message on and off. Read More »
This Preliminary information communicatesThe vehicle may have an ses lamp with any of the following DTC P06DA, P06DB, P06DC, P06B6, P06B7, P250A, P0300, P0340, P0341, P0335, P0336, P0641, P0011, P0010, P2088, P2089, and/or P2230. Read More »
This Preliminary information communicates that a dealer may order a replacement hood latch and find that it comes with a three wire connector where the vehicle originally had a two wire connector on the hood latch. Read More »
This technical bulletin provides a procedure on locating an engine wiring harness chaffing concern at the rear side of the engine manifold and repair accordingly in circuit 2501. Read More »
This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs. Read More »
18258 - Service Update. These vehicles were built without anti-abrasion wrap on the engine wire harness designed to prevent potential wear-through of the wire harness insulation over extended periods of time. 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 a procedure to inspect the wires and/or replace the Valve Rocker Arm Oil Control Valves if the DTCs listed are set. 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 inspect the wires and/or replace the Valve Rocker Arm Oil Control Valves if the DTCs listed are set. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated?. Read More »
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Read More »
This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the transport mode message on and off. Read More »
This Preliminary Information communication provides information to the technician about vehicle's odometer appears to be inaccurate relative to a known distance traveled. Read More »
This technical bulletin provides a procedure to inspect the wires and/or replace the Valve Rocker Arm Oil Control Valves if the DTCs listed are set. 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 the speedometer needle appears to be inaccurate. Read More »
ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER:SENSOR/SENDING UNIT
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »
This technical bulletin provides a procedure to eliminate a flutter noise and excessive windshield condensation due to new software now available and the removal of the foam pads on the HVAC defrost door. Read More »
This technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software. Read More »
This Preliminary Information communication provides information to the technician about the text messaging feature on some newer General Motors infotainment systems. Read More »
This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2 9U.S. and Canada Read More »
This technical bulletin provides a procedure to reprogram the cluster to correct a condition of Intermittent Blank/Missing Driver Information Center Info Pages Upon Start Up due to a software abnormality. Read More »
This Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for the T87A Transmission Control Module. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Read More »
This informational bulletin provides information on Information on How to Prevent Inadvertent Vehicle Starting from Key Fob or OnStar Mobile Application and where to locate the information for future use. Read More »
This informational bulletin provides to the tech the new version of SPS that will prompt warnings when trying to reprogram modules that have been already reprogrammed. Read More »
This service bulletin provides information for dealers/technicians on Stone Chip/Membrane Damage, Broken Connector and/or Sensor Retaining Tabs, and/or Paint Damage of Park Assist Sensors. 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 Code P2097 or P2099. Read More »
This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »
This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P06DE set in the Engine Control Module. Read More »
This informational bulletin provides information on where to look when the vehicle is experiencing the conditions of Malfunction Indicator Lamp Illuminated? 5V Reference, Reduced Power, Extended Crank, Body Harness to Fuel Tank Damage due ... 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 »
Emissions Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles, equipped with 4-cylinder engines (RPO LHN, LEX, L3A, LYX, LKN, LE2, LCV or LTG). Read More »
Service Update. On a small number of the vehicles identified above, the electrical connector to the transmission valve body solenoids may not be fully seated. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Read More »
This Preliminary Information communicates instructions on adjusting the rear quarter windows on convertibles in order to eliminate a wind noise complaint. Read More »
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »
This service bulletin provides information for dealers/technicians on diagnosing and repairing a side window glass not clearing the molding when indexing down during door opening. Read More »
This technical bulletin provides repair information to correct a customer concern of the convertible top back glass separating from top cover material. Read More »
This Preliminary Information communicates instructions on adjusting the rear quarter windows on convertibles in order to eliminate a wind noise complaint. 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 technical bulletin provides a procedure to reposition a front corner of the folding top front weatherstrip to correct a condition of a water leak at the windshield header/A-pillar area. Read More »
This service bulletin provides repair information to correct a customer concern of the convertible top back glass separating from top cover material. Read More »
This service bulletin provides information for dealers/technicians on diagnosing and repairing a side window glass not clearing the molding when indexing down during door opening. Read More »
This Preliminary Information communicates instructions on adjusting the rear quarter windows on convertibles in order to eliminate a wind noise complaint. Read More »
This Preliminary Information communicates information to the technician on what to check if they find that the rear glass broke shortly after the folding top had been serviced. Read More »
This technical bulletin provides repair information to correct a customer concern of the convertible top back glass separating from top cover material. Read More »
This Preliminary Information communicates information to the technician on what to check if they find that the rear glass broke shortly after the folding top had been serviced. Read More »
This informational bulletin provides information for dealers/technicians on diagnosing and repairing a side window glass not clearing the molding when indexing down during door opening. Read More »
This Preliminary Information communicates information on relearning the power windows if they become inoperative after the vehicle's battery becomes discharged. 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 advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks. Read More »
This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks. Read More »
This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks. Read More »
This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks. Read More »
This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks. Read More »
This warranty bulletin explains how to determine if an outside mirrior was damaged by the customer and what is considered warranty and non-warranty. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Read More »
This technical bulletin provides a procedure to eliminate a flutter noise and excessive windshield condensation due to new software now available and the removal of the foam pads on the HVAC defrost door. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Read More »
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW:ELECTRICAL HEATING ELEMENT
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 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 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 »
Special Coverage - on certain vehicles if a driver repeatedly sits on the seat belt cable cover located atthe base of the driver?s seat when entering the vehicle, it may cause the seat belt pretensioner to bend sharply over theseat side ... Read More »
Customer Satisfaction Program. Certain vehicles, may have a condition in which the sensing and diagnostic module (SDM) was reprogrammed during service with the incorrect calibration, which is intended for high performance (HP) vehicles. Read More »
Customer Satisfaction Program. Certain vehicles, may have a condition in which the sensing and diagnostic module (SDM) was reprogrammed during service with the incorrect calibration, which is intended for high performance (HP) vehicles. Read More »
Emissions Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles, equipped with 4-cylinder engines (RPO LHN, LEX, L3A, LYX, LKN, LE2, LCV or LTG). Read More »
This Preliminary information communicates the fact that engineering is working on a field fix for a brake squeal noise during light brake apply. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have the door locks will unlock immediately after auto locking usually at startup or while driving. Read More »
This service bulletin provides repair information to correct a customer concern of the convertible top back glass separating from top cover material. Read More »
This service bulletin provides repair information to correct a customer concern of noise or malfunction of trim door on broken quarter upper trim panel, possible convertible top inoperative. 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 diagnostic/repair information for dealers/technicians on a no start, smoke/fire originating from trunk, radio click noise or inoperative, Malfunction Indicator Lamp (MIL) illuminated, and/or various ... Read More »
This service bulletin provides a repair procedure to reposition a front corner of the folding top front weatherstrip to correct a condition of a water leak/drip at the windshield header/A-pillar area. Read More »
This service bulletin provides information for dealers/technicians on diagnosing and repairing a side window glass not clearing the molding when indexing down during door opening. Read More »
This service bulletin provides information for dealers/technicians on an emergency trunk release key wona??t turn; unable to open trunk from lock cylinder behind rear seat back; information on convertible key extender. Read More »
This service bulletin provides a procedure to balance the folding top front latching mechanism and actuator motor to correct a condition of a "Top Not Secure" message being displayed on the DIC. Read More »
This service bulletin provides repair information to correct a customer concern of noise or malfunction of trim door on broken quarter upper trim panel, possible convertible top inoperative. Read More »
This service bulletin provides repair information to correct a customer concern of the convertible top back glass separating from top cover material. 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 Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Read More »
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Read More »
This service bulletin provides repair information to correct a customer concern of noise or malfunction of trim door on broken quarter upper trim panel, possible convertible top inoperative. Read More »
This Preliminary information communicates to the dealer technician to inspect for a missing 1-2-7-8-R clutch fluid passage seal or incorrect 1-2-7-8-R clutch fluid passage seal being install for a no movement concern after valve body ... 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 technical bulletin provides repair information to correct a customer concern of the convertible top back glass separating from top cover material. Read More »
This informational bulletin provides information on where to look when the vehicle is experiencing the conditions of Malfunction Indicator Lamp Illuminated? 5V Reference, Reduced Power, Extended Crank, Body Harness to Fuel Tank Damage due ... Read More »
This technical bulletin provides repair information to correct a customer concern of the convertible top back glass separating from top cover material. Read More »
This technical bulletin provides repair information to correct a customer concern of a rattle noise from rear of vehicle and/or wind or buffeting noise that is heard in the vehicle cabin while driving with one window lowered. Read More »
This Preliminary Information communicates additional information to the dealerships when dealing with questions on a vinyl hood wrap regarding care, cleaning and replacement. Read More »
This Preliminary Information communicates additional information to the dealerships when dealing with questions on a vinyl hood wrap regarding care, cleaning and replacement. Read More »
This technical bulletin provides repair information to correct a customer concern of the convertible top back glass separating from top cover material. Read More »
This technical bulletin provides repair information to correct a customer concern of the convertible top back glass separating from top cover material. Read More »
This technical bulletin provides repair information to correct a customer concern of Rear of Headliner Sagging, Rear Edge Visible Through Rear Window. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have several fasteners, located on either side of the hood latch, appear to be loose. Read More »
Service Update. On a small number of the vehicles identified above, the electrical connector to the transmission valve body solenoids may not be fully seated. Read More »
This technical bulletin provides a procedure to weld the rear panels together in the rear of the car to correct the condition of a creak noise due to the contact of two metal panels in the rear of the vehicle. Read More »
This technical bulletin provides repair information to correct a customer concern of noise or malfunction of trim door on broken quarter upper trim panel, possible convertible top inoperative. Read More »
17407-Customer Satisfaction. Certain vehicles, ordered with either the accessory spoiler design 1 (RPO 5V5) or design 2 (RPO 5ZU), may have been assembled with the stanchion spoiler and decklid. 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 technical bulletin provides a procedure to weld the rear panels together in the rear of the car to correct the condition of a creak noise due to the contact of two metal panels in the rear of the vehicle. Read More »
This technical bulletin provides repair information to correct a customer concern of a rattle noise from rear of vehicle and/or wind or buffeting noise that is heard in the vehicle cabin while driving with one window lowered. Read More »
This technical bulletin provides repair information to correct a customer concern of a buzz or rattle noise heard from the passenger side dash area. Read More »
This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »
This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »
This engineering information (EI) ends the need for information from the field on the left, right and/or both ground effects rockers that are loose and/or pulling away from the body of the vehicle. Read More »
This Preliminary Information communication provides information to the technician on a proper paint code for some hard to find color options. Read More »
This technical bulletin provides a procedure to balance the folding top front latching mechanism and actuator motor to correct a condition of a "Top Not Secure" message being displayed on the DIC. Read More »
Rear Fascia Gap Condition Some customers may comment that the rear fascia is sticking out near the tail lamp Cause This may be due to the stud not being centered in the hole of the impact beam mounting plate. Read More »
This technical bulletin provides a procedure to adjust the rear bumper impact bar and re-securing the bumper to correct a condition of a gap in the rear bumper under taillight due to the bar being installed too low. Read More »
This technical bulletin provides a procedure to adjust the rear bumper impact bar and re-securing the bumper to correct a condition of a gap in the rear bumper under taillight due to the bar being installed to low. Read More »
This technical bulletin provides repair information to correct a customer concern of seeing a paint wear mark or chip at the corner of a rocker panel molding from door over-slam hem seal contact. 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 a procedure to adjust the rear bumper impact bar and re-securing the bumper to correct a condition of a gap in the rear bumper under taillight due to the bar being installed too low. Read More »
This informational bulletin provides information for dealers/technicians on an emergency trunk release key won?t turn; unable to open trunk from lock cylinder behind rear seat back; information on convertible key extender. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have several fasteners, located on either side of the hood latch, appear to be loose. Read More »
This Preliminary information communicates that a dealer may order a replacement hood latch and find that it comes with a three wire connector where the vehicle originally had a two wire connector on the hood latch. Read More »
This Preliminary Information document communicates direction to the dealership technicians to aid them in diagnosing noise concerns specific to the convertible. Read More »
This technical bulletin provides a procedure to balance the folding top front latching mechanism and actuator motor to correct a condition of a "Top Not Secure" message being displayed on the DIC. Read More »
This Preliminary information communicates information to the technician on how to diagnose a concern where the door locks unlock three times in succession when the vehicle is first started / driven. Read More »
This service bulletin provides information for dealers/technicians on an emergency trunk release key wona??t turn; unable to open trunk from lock cylinder behind rear seat back; information on convertible key extender. Read More »
This informational bulletin provides information for dealers/technicians on an emergency trunk release key won?t turn; unable to open trunk from lock cylinder behind rear seat back; information on convertible key extender. Read More »
This informational bulletin provides information for dealers/technicians on an emergency trunk release key won?t turn; unable to open trunk from lock cylinder behind rear seat back; information on convertible key extender. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have several fasteners, located on either side of the hood latch, appear to be loose. Read More »
This Preliminary information communicates that a dealer may order a replacement hood latch and find that it comes with a three wire connector where the vehicle originally had a two wire connector on the hood latch. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have the door locks will unlock immediately after auto locking usually at startup or while driving. Read More »
This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. Read More »
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »
This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires. Read More »
This informational bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining. Read More »
This informational bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining. Read More »
This informational bulletin provides information on where to look when the vehicle is experiencing the conditions of Malfunction Indicator Lamp Illuminated? 5V Reference, Reduced Power, Extended Crank, Body Harness to Fuel Tank Damage due ... Read More »
This informational bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining. Read More »
This service bulletin provides information on tire cold weather cracking and the proper techniques on taking care of the tires and proper use. Read More »
This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »
This informational bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining. Read More »
This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »
N192219930-01 - Customer Satisfaction Program (revised warranty information). Certain 2018-2019 model year Chevrolet Camaro vehicles, equipped with competition-oriented tires (RPO R6O/A1Z/ZL1), may have a section missing in the ... Read More »
This informational bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining. Read More »
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty ... Read More »
This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty ... Read More »
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage). Read More »
This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »
This 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 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 information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining. 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 to address a tire chatter noise during low speed tight turn conditions (i.e. parking lot, driveway, etc.) primarily during cooler ambient temperatures. 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 service bulletin provides information on where to look when the vehicle is experiencing the conditions of Malfunction Indicator Lamp Illuminateda?? 5V Reference, Reduced Power, Extended Crank, Body Harness to Fuel Tank Damage due to ... Read More »
This service bulletin provides information on where to look when the vehicle is experiencing the conditions of Malfunction Indicator Lamp Illuminateda?? 5V Reference, Reduced Power, Extended Crank, Body Harness to Fuel Tank Damage due to ... 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 provides information to address a chatter noise during low speed tight turn conditions (i.e. parking lot, driveway, etc.) primarily during cooler ambient temperatures. Read More »
This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint. GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY). Read More »
This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires. Read More »
This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with ... Read More »
This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment. Read More »
This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »
This informational bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining. Read More »
Clicking Noise from Front Wheels While Turning at Slow Speeds Condition Some customers may comment on a clicking noise emanating from the front wheels location. Read More »
This informational bulletin provides information on mcgard wheel locks and if the key ever fractures that they will replace it via the website provided. Read More »
This informational bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »
This technical bulletin provides a repair procedure to correct a customer concern of the Front Seat Back Cover Material Pulling Loose Around the Easy Entry Release Handle. Read More »
This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw. Read More »
This informational bulletin provides information for information on passenger presence sensing system (PPS or PSS) concerns with custom upholstery, accessory seat heaters or other comfort enhancing devices. Read More »
This technical bulletin provides a procedure to weld the rear panels together in the rear of the car to correct the condition of a creak noise due to the contact of two metal panels in the rear of the vehicle. 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 Code P2097 or P2099. Read More »
This Preliminary information communicates the direction for technicians to inspect the terminals at the Suspension Control Module for any communication codes setting or for any Suspension Module codes that may set in the vehicle. Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. Read More »
This informational bulletin provides information to the customer about the rear camera guidelines not being present at times due to the VBM taking over the rear camera option. Read More »
This Preliminary Information communicates information to assist dealership technicians in diagnosing an exhaust related noise on these vehicles. Read More »
This Preliminary Information communicates information to assist dealership technicians in diagnosing an exhaust related noise on these vehicles. Read More »
This technical bulletin provides repair information to correct a customer concern of a rattle noise heard above the driver or passenger seat area. Read More »
This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Harsh Shift 1/2 and 2/3 and Sputter Applying Throttle Between 0 and 30%, Rough idle. Read More »
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Read More »
This Preliminary information communicates the fact that engineering is working on a field fix for a brake squeal noise during light brake apply. Read More »
This informational bulletin provides information to the customer about the rear camera guidelines not being present at times due to the VBM taking over the rear camera option. Read More »
Rear View Camera Guidelines Not Present at Times Condition Some customers may report that the Rear View Camera (RVC) guidelines are temporarily not available at times but the RVC will remain on during the concern. Read More »
The purpose of this Preliminary Information is to provide dealership technicians some tips on installation of this kit, as well as some common areas to check if the system is inoperative after installation. Read More »
The purpose of this Preliminary Information is to provide dealership technicians some tips on installation of this kit, as well as some common areas to check if the system is inoperative after installation. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed. Read More »
This service bulletin provides repair information to correct a customer concern of the convertible top back glass separating from top cover material. Read More »
This service bulletin provides repair information to correct a customer concern of noise or malfunction of trim door on broken quarter upper trim panel, possible convertible top inoperative. Read More »
The purpose of this Preliminary Information is to provide dealership technicians some tips on installation of this kit, as well as some common areas to check if the system is inoperative after installation. 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 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 service bulletin provides information on Corvette and Camaro Exhaust Tone During Wide Open Throttle while in Sport or Track Modes and that this is considered a normal characteristic. 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 on a small allowable amount of grease seepage from a brass or gold colored fitting located at the bottom of the strut assemblies, which is actually part of the natural operation of these struts. Read More »
This service bulletin provides a repair procedure to reposition a front corner of the folding top front weatherstrip to correct a condition of a water leak/drip at the windshield header/A-pillar area. Read More »
This service bulletin provides information for dealers/technicians on an emergency trunk release key wona??t turn; unable to open trunk from lock cylinder behind rear seat back; information on convertible key extender. Read More »
This service bulletin provides information on what parts need to be installed during PDI and what parts are to be installed by the customer. Read More »
This service bulletin provides a procedure to balance the folding top front latching mechanism and actuator motor to correct a condition of a "Top Not Secure" message being displayed on the DIC. 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 advises the technician to perform a burnishing on the brakes if the rotors are new to correct a customer concern of a fog horn type noise heard while braking. Read More »
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »
SPL Parts, Inc. manufacturers and distributes aftermarket lower control arms for dedicated competition vehicles and "track day" cars some of which may be used on both track and highway. Read More »
This service bulletin provides repair information to correct a customer concern of noise or malfunction of trim door on broken quarter upper trim panel, possible convertible top inoperative. Read More »
This service bulletin provides repair information to correct a customer concern of the convertible top back glass separating from top cover material. Read More »
This service bulletin provides repair information to correct a customer concern of a chirp, squeak noise heard coming from the rear of vehicle. 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 information to the customer about the rear camera guidelines not being present at times due to the VBM taking over the rear camera option. Read More »
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with ... Read More »
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with ... Read More »
This service bulletin provides information for dealers/technicians on Handsfree Apple Iphone Call Static conditions equipped with IOB Radio. Read More »
The purpose of this Preliminary Information is to provide dealership technicians some tips on installation of this kit, as well as some common areas to check if the system is inoperative after installation. Read More »
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Read More »
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »
This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. Read More »
This service bulletin provides information on what parts need to be installed during PDI and what parts are to be installed by the customer. 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 Preliminary Information communicates additional information to the customer on the "No Lift Shift" feature found on all Manual Transmission equipped Camaros. Read More »
This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint. GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY). Read More »
This service bulletin advises the technician of a diagnostic test for a possible issue with a damaged OCV solenoid that may cause an oil leak and misfire, illuminating the MIL and setting DTCs P0300, P0302 and/or P0305. Read More »
This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center. Read More »
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
The purpose of this Preliminary Information is to provide dealership technicians some tips on installation of this kit, as well as some common areas to check if the system is inoperative after installation. Read More »
This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Read More »
This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated?. Read More »
This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Read More »
This service bulletin provides information regarding Witness Marks from Panel Adjustments Made During Manufacturing and that it is considered a normal condition. Read More »
This Preliminary information communicates to technician's if they remove the front timing cover when performing a repair, they should inspect the timing chain guide upper bolt for being loose. Read More »
This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »
This Preliminary information communicates to technician's if they remove the front timing cover when perprming a repair, they should inspect the timing chain guide upper bolt for being loose. Read More »
This Preliminary information communicates to the dealer technician that the valve body Part Unique Number (PUN) may contain the letter O or the number 0. Read More »
This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
This Preliminary information communicates the use of Winter grade fuel during the warm months of 2020 and the potential rivability issues that it can cause. Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »
This informational bulletin advises the tech of a possible normal condition when the vehicle creeps forward during start up conditions when the clutch packs are full of residual oil. Read More »
This service bulletin provides information for dealers/technicians on the availability of the steering wheel spoke lower cover as a service part. Read More »
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »
This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »
This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated. Read More »
This Preliminary Information communicates information to the technician about diagnosing a battery draw, or a concern where the engine may not be able to be turned off. Read More »
This Preliminary information communicates that when a customer or technician attempts to add a new transmitter to a vehicle following the adding transmitters without Service Programming System procedure the procedure will not complete and ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that have several fasteners, located on either side of the hood latch, appear to be loose. Read More »
This technical bulletin provides a procedure to replace the Schrader valve port with an open fill port to aid in filling the supercharger cooling system and to correct the engine performance. Read More »
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »
This informational bulletin provides information for dealers/technicians on a power steering deflector kit available for resolving a high power steering temperature issue during track use. Read More »
This technical bulletin provides a procedure to reposition a front corner of the folding top front weatherstrip to correct a condition of a water leak at the windshield header/A-pillar area. Read More »
This technical bulletin provides repair information to correct a customer concern of the convertible top back glass separating from top cover material. Read More »
This technical bulletin provides repair information to correct a customer concern of seeing a paint wear mark or chip at the corner of a rocker panel molding from door over-slam hem seal contact. Read More »
This warranty administration bulletin provides information on Warranty Administration - Customer Concern Not Duplicated (CCND) Labor Operation Numbers. Read More »
This service bulletin provides information that you cannot have an accessory grille installed at the same time as the aux cooler because this may cause the vehicle to overheat due to the grille not allowing air to pass to cool the engine. 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 Corvette and Camaro Exhaust Tone During Wide Open Throttle while in Sport or Track Modes and that this is considered a normal characteristic. Read More »
This informational bulletin provides information for dealers/technicians on diagnosis of no start, radio click noise or inoperative, Malfunction Indicator Lamp (MIL) illuminated, and/or various electrical issues. Read More »
This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. Read More »
This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Read More »
This Preliminary Information communicates additional information to the dealerships when dealing with questions on a vinyl hood wrap regarding care, cleaning and replacement. Read More »
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »
This Preliminary information communicates to the dealer technician that the torque converters for the 10L80 and 10L90 10 speed transmission are on restriction through the Product Quality Center. Read More »
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »
This informational bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »
The purpose of this Preliminary Information is to provide dealership technicians some tips on installation of this kit, as well as some common areas to check if the system is inoperative after installation. Read More »
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »
This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. Read More »
This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. Read More »
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Read More »
This informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »
This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment. Read More »
This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the ... Read More »
This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »
This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961). Read More »
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »
This technical bulletin provides repair information to correct a customer concern of the convertible top back glass separating from top cover material. Read More »
This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »
This Preliminary information communicates to the technician information on what may be setting DTC P06DE. This is in addition to what is already in the service manual. Read More »
This Preliminary information communicates to the technician information on what may be setting DTC P06DE. This is in addition to what is already in the service manual. Read More »
This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »
This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part Number in eSI and how to locate the part(s) in the EPC. Read More »
This Preliminary information communicates that when a customer or technician attempts to add a new transmitter to a vehicle following the adding transmitters without Service Programming System procedure the procedure will not complete and ... Read More »
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Read More »
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »
N192219930-01 - Customer Satisfaction Program (revised warranty information). Certain 2018-2019 model year Chevrolet Camaro vehicles, equipped with competition-oriented tires (RPO R6O/A1Z/ZL1), may have a section missing in the ... Read More »
This Preliminary Information communicates additional information to the dealerships when dealing with questions on a vinyl hood wrap regarding care, cleaning and 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 »
The purpose of this Preliminary Information is to provide dealership technicians some tips on installation of this kit, as well as some common areas to check if the system is inoperative after installation. Read More »
This warranty administration bulletin provide policy information to cover GM's policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada. Read More »
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Read More »
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »
This Preliminary Information communication provides information to the technician about vehicles that the Navigation radio does not have a global positioning system location but OnStar is able to accurately locate the vehicle. Read More »
This informational bulletin provides diagnostic/inspection information for the air box and air filter seal to correct a MIL and DTCs P0420 and P0430 setting. Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This informational bulletin explains the normal characteristics of exhaust noise during active fuel management when in Three or Four Cylinder Mode. Read More »
This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL on. Read More »
This technical bulletin provides a procedure to replace the HUD if found the cause of the Head-Up Display Inoperative or MIL Illuminated concern. 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 technical bulletin provides repair information to correct a customer concern of the convertible top back glass separating from top cover material. Read More »
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »
This technical bulletin provides a procedure for replacing the oil pump, power brake booster and power brake booster vacuum hose to eliminate a hard brake pedal and/or air type noise heard upon brake apply due to oil in the brake booster. Read More »
The purpose of this Preliminary Information is to provide dealership technicians some tips on installation of this kit, as well as some common areas to check if the system is inoperative after installation. Read More »
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim. Read More »
18258 - Service Update. These vehicles were built without anti-abrasion wrap on the engine wire harness designed to prevent potential wear-through of the wire harness insulation over extended periods of time. 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 that a customer may bring a vehicle in with a complaint of the Heads Up Display (HUD) frozen or inoperative. Read More »
This Preliminary Information communicates additional information to the dealerships when dealing with questions on a vinylhood wrap regarding care, cleaning and replacement. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have rear license plate mounting holes will not line up with the large rectangular holes in the rear fascia of the vehicle. Read More »
This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. Read More »
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical ... Read More »
This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Read More »
This informational bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim. Read More »
This informational bulletin provides information to dealership personnel on policies regarding a Product Assistance Claim (PAC) within the Courtesy Transportation Assistance Program. Read More »
This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the transport mode message on and off. Read More »
This technical bulletin provides repair information to correct a customer concern of a buzz or rattle noise heard from the passenger side dash area. Read More »
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »
This informational bulletin provides information on dealer responsibility for cargo carrying capacity labeling and the part numbers for the labels. Read More »
This technical bulletin provides a procedure to clear the codes and re-evaluate the XM radio channels to correct a condition of audio muting when listening to some Sirius XM channels but if they change channels they will find others that ... Read More »
This informational bulletin provides information to dealership personnel on automatic transmission shift and engine drivability concerns and/or MIL ON due to aftermarket oil bath air filter use. Read More »
This informational bulletin provides a listing of the parts availability for coax repair procedures and what is needed to complete some repairs. Read More »
Certain 2018 model year Chevrolet Camaro vehicles, ordered with either the accessory spoiler design 1 (RPO 5V5) or design 2 (RPO 5ZU), may have been assembled with the stanchion spoiler and decklid. Read More »
This engineering information is requesting information from the field on vehicles that have the condition of Speaker Rattle, Speaker Crackle, Poor Sound Quality, Speaker Pop, or Speaker Distortion. Read More »
This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only). Read More »
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have rattle or ticking noise that is louder inside the vehicle than outside. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This informational bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered seepage. Read More »
Engine Overheat When Driving Aggressively with Accessory Grille and Outboard Cooler Installed Condition - Some customers may comment on the vehicle overheating when driving aggressively with accessory grille installed in addition to ... Read More »
Rear View Camera Guidelines Not Present at Times Condition Some customers may report that the Rear View Camera (RVC) guidelines are temporarily not available at times but the RVC will remain on during the concern. 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 the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. Read More »
This Preliminary Information document communicates direction to the dealership technicians to aid them in diagnosing noise concerns specific to the convertible. Read More »
This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Read More »
This Preliminary Information communication provides information to the technician that when scanning a vehicle for Diagnostic Trouble Codes, may find a temporary loss of Human Machine Interface communication with Global Diagnostic System 2. Read More »
This warranty administration bulletin provide policy information on warranty and policy exchange program for electronic products for U.S. and Canada dealers only. Read More »
This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up. Read More »
This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only). Read More »
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with ... Read More »
This warranty administration bulletin explains to the technician that when using wiring repair labor operations, additional information may be needed when submitting Global Warranty transactions when doing wiring repairs. Read More »
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Read More »
This Preliminary Information communication provides information to the technician about vehicles that do not recognize the SD card when it is used in the Performance Data Recorder (PDR) system. Read More »
This Preliminary Information communicates information on relearning the power windows if they become inoperative after the vehicle's battery becomes discharged. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the Navigation radio does not have a global positioning system location but OnStar is able to accurately locate the vehicle. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport ... Read More »
This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Read More »
This engineering information is requesting information from the field on vehicles that have the condition of Speaker Rattle, Speaker Crackle, Poor Sound Quality, Speaker Pop, or Speaker Distortion. Read More »
This Preliminary Information communication advises the technician how to determine if the vehicle is equipped with wireless fidelity. Technician should check the Regular Production Option Code list for (VV4). Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have a clock that is slow to update while driving when the clock auto set feature enabled. Read More »
This informational bulletin provides information for the technicians on multi-media infotainment tester (MIT), does not function properly when diagnosing infotainment complaints, which may lead to mis-diagnosis. Read More »
This 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 engineering information is requesting information from the field on vehicles that have the condition of Speaker Rattle, Speaker Crackle, Poor Sound Quality, Speaker Pop, or Speaker Distortion. Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Read More »
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
This Preliminary Information communication provides information to the technician that when scanning a vehicle for Diagnostic Trouble Codes, may find a temporary loss of Human Machine Interface communication with Global Diagnostic System 2. Read More »
The PI was created to advise of an engineering investigation for a concern of unable to connect toOnStar Virtual Advisor when selecting "New Destination" in the OnStar menu. Read More »
This Preliminary Information communication provides information to the technician about customers that may complain of various concerns when using Bluetooth components. Read More »
This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. Read More »
This technical bulletin provides a procedure to test the radios receiver if certain XM channels cut out (mutes) depending on location of the vehicle. Read More »
This technical bulletin provides a procedure to replace the HMI module to correct a condition of Radio Control (ICS) Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu due to a software concern. Read More »
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Read More »
This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical ... 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 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 technical bulletin provides a procedure to clear the codes and re-evaluate the XM radio channels to correct a condition of audio muting when listening to some Sirius XM channels but if they change channels they will find others that ... Read More »
This preliminary information bulletin provides a procedure on how to check for the customer concern of a blank radio with/without audio, by checking the the wiring harness, ECU and reprograming the HMI software update, if the wiring or ... Read More »
This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Read More »
This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. 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 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 that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D Read More »
This technical bulletin provides a procedure to replace the center support bearing to correct a condition of a flutter noise emitting from the center of the vehicle. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Read More »
This Preliminary Information communication advises the technician on diagnostic aids to help with the diagnosis and repair of 8 Speed Transmissions Read More »
This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. Read More »
This Preliminary information communicates to the technician where to find the engine identification tag and what information on that tag to use during programming of someengine control modules. Read More »
17407-Customer Satisfaction. Certain vehicles, ordered with either the accessory spoiler design 1 (RPO 5V5) or design 2 (RPO 5ZU), may have been assembled with the stanchion spoiler and decklid. 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 Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC). Read More »
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »
This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »
This warranty administration bulletin provides policy information for variable diagnostic time allowances on select labor operations (U.S. Only). Read More »
This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. Read More »
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »
This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process. Read More »
This Preliminary Information 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 service bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »
This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »
This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only). Read More »
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. Read More »
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. Read More »
This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. Read More »
This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. Read More »
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated (CCND) Labor Operation Numbers. Read More »
This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »
This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »
This warranty administration bulletin provide policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada. Read More »
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »
This technical bulletin provides a procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine. 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 technical bulletin provides information for new transmission oil to use, a procedure for exchanging the old fluid and adding the new fluid to a service transmission. Read More »
This informational bulletin provides information for dealers/technicians on brake fluid leak at the caliper, cracking, reduced brake performance, rub or grind noise, caliper paint appearance. 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 »
N192219930 - Customer Satisfaction Program. Certain vehicles, equipped with competition-oriented tires (RPO R6O/AZ1/ZL1), may have a section missing in the High-Performance Owner's Manual Supplement explaining warnings about certain ... Read More »
This informational bulletin provides information for the dealer technician to gather as much information to help aid Engineers by completely filling out requested reports. Read More »
This Preliminary Information communication advises the technician that the Product Quality Center part restriction has ended for the 8L45 and 8L90 park actuator rod. Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »
This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. Read More »
This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). Read More »
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »
This informational bulletin was created to inform that any accessories that are installed from the GM factory will be covered under the standard vehicle warranty and dealer installed accessories will be covered for a full year (12 months). Read More »
This Preliminary Information communication provides information to the technician on a proper paint code for some hard to find color options. Read More »
This Preliminary information communicates additional diagnostics to assist the dealer technician with diagnosing and repairing trouble code P2097. Read More »
This Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for the 8L45 and 8L90 park actuator rod. Read More »
This Preliminary information communicates to the dealer technician that the 10R90 and 10L80 transmissions havebeen place on a part exchange. Dealers are to contact theProduct Quality Center before replacing the transmission assembly. 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 installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Read More »
This New Model Feature Bulletin provides General Information and other Topics to help the Service and Sales Personnel become familiar with the features specific to the 2018 Chevrolet Camaro ZL1 and ZL1 1LE. Read More »
This Preliminary Information communication provides the technician with the diagnosis and repair steps for a vehicle with a check engine light on with Diagnostic Trouble Code P015B or a reduced engine power message with Diagnostic Trouble ... Read More »
This information bulletin explains the labor operation numbers used for submitting warranty claims and how to setup, and reprogram modules. Read More »
The purpose of this Preliminary Information is to provide dealership technicians some tips on installation of this kit, as well as some common areas to check if the system is inoperative after installation. Read More »
This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated?. Read More »
This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »
This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »
This 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 communicates information to the technician about diagnosing a battery draw, or a concern where the engine may not be able to be turned off. Read More »
This Preliminary information communicates that when a customer or technician attempts to add a new transmitter to a vehicle following the adding transmitters without Service Programming System procedure the procedure will not complete and ... Read More »
This technical bulletin provides a procedure to replace the Schrader valve port with an open fill port to aid in filling the supercharger cooling system and to correct the engine performance. Read More »
This technical bulletin provides a procedure to reposition a front corner of the folding top front weatherstrip to correct a condition of a water leak at the windshield header/A-pillar area. Read More »
This technical bulletin provides repair information to correct a customer concern of the convertible top back glass separating from top cover material. Read More »
This technical bulletin provides repair information to correct a customer concern of seeing a paint wear mark or chip at the corner of a rocker panel molding from door over-slam hem seal contact. Read More »
This service bulletin provides information that you cannot have an accessory grille installed at the same time as the aux cooler because this may cause the vehicle to overheat due to the grille not allowing air to pass to cool the engine. Read More »
This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels ... Read More »
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »
This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »
This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. Read More »
This informational bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining. Read More »
This technical bulletin provides a procedure to install an oil cooler line fitting seal, including applying medium strength threadlocker (blue) to the retaining bolt to stop transmission fluid leaking from the transmission oil cooler line ... 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 technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. Read More »
This technical bulletin provides a procedure to replace the starter solenoid cable due to circuit 1 shorted to ground at the starter heat shield. Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. Read More »
This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL on. Read More »
This technical bulletin provides repair information to correct a customer concern of the convertible top back glass separating from top cover material. Read More »
This informational bulletin provides information for dealers/technicians on the availability of the steering wheel spoke lower cover, as a service part. Read More »
This technical bulletin provides a procedure for replacing the oil pump, power brake booster and power brake booster vacuum hose to eliminate a hard brake pedal and/or air type noise heard upon brake apply due to oil in the brake booster. Read More »
This informational bulletin provides information for information on passenger presence sensing system (PPS or PSS) concerns with custom upholstery, accessory seat heaters or other comfort enhancing devices. Read More »
18258 - Service Update. These vehicles were built without anti-abrasion wrap on the engine wire harness designed to prevent potential wear-through of the wire harness insulation over extended periods of time. 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 additional information to the dealerships when dealing with questions on a vinylhood wrap regarding care, cleaning and replacement. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Read More »
Certain 2018 model year Chevrolet Camaro vehicles, ordered with either the accessory spoiler design 1 (RPO 5V5) or design 2 (RPO 5ZU), may have been assembled with the stanchion spoiler and decklid. Read More »
This informational bulletin provides information that you cannot have an accessory grille installed at the same time as the aux cooler because this may cause the vehicle to overheat due to the grille not allowing air to pass to cool the ... Read More »
Clicking Noise from Front Wheels While Turning at Slow Speeds Condition Some customers may comment on a clicking noise emanating from the front wheels location. Read More »
Rear View Camera Guidelines Not Present at Times Condition Some customers may report that the Rear View Camera (RVC) guidelines are temporarily not available at times but the RVC will remain on during the concern. 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 document communicates direction to the dealership technicians to aid them in diagnosing noise concerns specific to the convertible. Read More »
This Preliminary Information communication provides the technician with the diagnosis and repair steps for a vehicle with a check engine light on with Diagnostic Trouble Code P015B or a reduced engine power message with Diagnostic Trouble ... Read More »
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Read More »
This 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 technical bulletin provides a procedure to eliminate a flutter noise and excessive windshield condensation due to new software now available and the removal of the foam pads on the HVAC defrost door. 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 »
The purpose of this Preliminary Information is to provide dealership technicians some tips on installation of this kit, as well as some common areas to check if the system is inoperative after installation. 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 service bulletin provides information on what parts need to be installed during PDI and what parts are to be installed by the customer. Read More »
This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. Read More »
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
This service bulletin provides diagnostic information for the technician regarding a customer concern of engine overheating, cooling system contaminated with engine oil. Read More »
