Technical Service Bulletins (TSBs) for the 2018 Malibu are official communications between Chevrolet & their dealerships that describe processes for troubleshooting or fixing certain common problems.
All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
This service bulletin provides a 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 engineering information (EI) ends the need for further information from the field in regards to the steering wheel shaking while hands are on the steering wheel and the brakes not being applied. Read More »
This engineering information (EI) closure ends the need for information from the field on a stick-slip type condition felt in steering wheel at highway speeds. Read More »
This engineering information bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the steering wheel shaking while hands are on the steering wheel and the ... Read More »
This engineering information bulletin is requesting to gather information from the field to determine a root cause for a condition of a stick-Slip Type Condition Felt in Steering Wheel at Highway Speeds. Read More »
This engineering informational bulletin is requesting to gather information from the field to determine a root cause for a condition of a stick-Slip Type Condition Felt in Steering Wheel at Highway Speeds. Read More »
This technical bulletin provides repair information to correct a customer concern of "Steering Assist Is Reduced" Message and One of The Following DTCs Are Set: C056D, U0415. Read More »
This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. Read More »
This Preliminary information communicates the Control Valve Body spacer plate orifice #33 may be restricted as root cause for themay not go above 30 mph, may be stuck in 2nd gear, will not upshift, MIL is on, and/or DTC P2821 concern,to ... Read More »
This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing ... Read More »
This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak. Read More »
This technical bulletin provides a procedure to add a washer to prevent the rear shock outer housing making solid contact with the shock mount isolation rubber. 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 technical bulletin provides a procedure to correct the condition of Front End Rattle Noise when Braking Moderate or Hard on Rough Surfaces. 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 »
Information Regarding the Differences Between Fluid Leakage and Seepage This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. Read More »
This Preliminary Information communication provides information to the technician about 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 informs dealers that a new Power Brake Booster Vacuum Cap will need to be replaced when installing the revised Power Brake Booster Vacuum Pipe to correct DTCs being set due to misrouting of brake booster vacuum pipe. Read More »
This technical bulletin provides a procedure to correct the condition of Front End Rattle Noise when Braking Moderate or Hard on Rough Surfaces. Read More »
This Technical bulletin provides a procedure to correct conditions of Service Stabilitrak Message on DIC, Rear Stop Lamps Inoperative, Traction Control Light On with DTCs C0595, C0277, U0422 Set. Read More »
This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that may have an Object Detection System Message Diagnostic Trouble Codes U0075, U026A, U026B, U026C, U0265, ... Read More »
This Bulletin provides information, tips and graphics regarding specific Hybrid vehicle hydraulic brake system failures, emphasizing disc brake caliper guide pin failures. Read More »
This Technical bulletin provides information for rear brake pad replacement to correct a squeak type noise heard from the rear brakes when cold. Read More »
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS
Rear Brake Squeak Type Noise Involved Region or Country North America and N.A. Export Regions Condition Some customers may comment on a squeak type noise heard from the rear brakes when cold. Read More »
Rear Brake Squeak Type Noise Condition Some customers may comment on a squeak type noise heard from the rear brakes when cold. This noise will typically occur on first brake apply when the brakes are cold. Read More »
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR
18308 - Customer Satisfaction Program - Certain vehicles, may have a condition in which the right-hand knuckle wheel speed sensor (WSS) hole is machined approximately 1.6mm off location. Read More »
Rear Brake Squeak Type Noise Involved Region or Country North America and N.A. Export Regions Condition Some customers may comment on a squeak type noise heard from the rear brakes when cold. Read More »
Rear Brake Squeak Type Noise Condition Some customers may comment on a squeak type noise heard from the rear brakes when cold. This noise will typically occur on first brake apply when the brakes are cold. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a crank but engine does not start concern. Read More »
This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that may have an Object Detection System Message Diagnostic Trouble Codes U0075, U026A, U026B, U026C, U0265, ... Read More »
This preliminary informational bulletin provides information regarding the normal characteristic of instrument panel red brake light intermittently comes on. 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 bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
This Preliminary information communicates A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. Read More »
This Preliminary information communicates the possibility of a crank no start or extended crank condition due to exhaust cam reluctor being out of position. 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 a possible BCM and/or circuit 5985 concern if DTC P0747 sets during engine shut down when the transmission is in park or neutral when no hydraulic/mechanical transmission concerns are present. 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 »
Special Coverage Adjustment - Certain 2016-2018 model year Chevrolet Malibu, 2017-2018 model year Buick LaCrosse, and 2018 model year Buick Regal vehicles may have a condition which affects the electrical connection to one of the ... 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 the possibility of a crank no start or extended crank condition due to exhaust cam reluctor being out of position. 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 service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set. Read More »
This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park. Read More »
This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park. Read More »
This technical bulletin provides a service procedure to correct conditions of Poor Engine Performance in Extremely cold weather conditions, CAC Icing, MIL Illuminated with DTCs set. Read More »
This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. Read More »
This Preliminary Information communication provides information to the technician related to utilizing crankcase pressure testing to aid in engine oil leak diagnostics. 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 communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. Read More »
Certain 2016-2018 model year Chevrolet Malibu, 2017-2018 model year Buick LaCrosse, and 2018 model year Buick Regal vehicles may have a condition which affects the electrical connection to one of the vehicle?s accelerator pedal position ... 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 A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. 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 Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. Read More »
This technical bulletin provides a procedure to swap the knock sensor 1 with knock sensor 2 to correct a lack of power or hesitation After Vehicle has reached operation temperature condition. 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 related to vehicles that have a Malfunction Indicator Lamp on. A technician may find Diagnostic Trouble Code P050D set as current or history. 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 Preliminary information communicates to the dealer an issue where the vehicle's service engine soon light may illuminate due to trouble codes P0601-P0604, P0606, P062B, P062F, P0630, P16F3, or P262B . Read More »
This Preliminary information communicates the possibility of a crank no start or extended crank condition due to exhaust cam reluctor being out of position. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have unwanted engine flairs while the vehicle is at steady state speed or while the vehicle is slowing. Read More »
This Preliminary Information communication advises the technician that the drive motor generator control module is being placed on restriction through the General Motors Technical Assistance Center. 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 communication provides information to the technician about vehicles that have a crank but engine does not start concern. Read More »
This Preliminary Information communication provides information to the technician related to vehicles that have a Malfunction Indicator Lamp on. A technician may find Diagnostic Trouble Code P050D set as current or history. Read More »
This Preliminary information communicates the Control Valve Body spacer plate orifice #33 may be restricted as root cause for themay not go above 30 mph, may be stuck in 2nd gear, will not upshift, MIL is on, and/or DTC P2821 concern,to ... 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 engineering informational bulletin is requesting information from the field on vehicles that have the condition of Smoke or Burning Odor from Underhood with Malfunction Indicator Lamp Illuminated with DTC P305F or ... Read More »
This technical bulletin provides a procedure to reprogram the ECM to correct a condition of Malfunction Indicator Illuminated with DTC P2B95 Set due to a calibration concern. 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 »
18017 - Service Update. An ASIC (Application Specific Integrated Circuit) in the engine control module may not power up correctly preventing the main microprocessor from communicating with ASICs. 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 warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only). Read More »
This Preliminary information communicates the following to the dealer. If an engine oil leak has been isolated to the front crankshaft seal, check for misfires low engine compression and/or cylinder leakage readings. Read More »
This Preliminary information communicates the following to the dealer. If an engine oil leak has been isolated to the front crankshaft seal, check for misfires low engine compression and/or cylinder leakage readings. Read More »
This Preliminary information communicates to look for other codesP0AEE, P0AF3, P0BD2, P0BD7, P0BDC, P0BE1 if a customer comes in with a Mil Request. 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 advises the technician that the drive motor generator control module is being placed on restriction through the General Motors Technical Assistance Center. 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 informational bulletin explains the need to change the oil used in the LFV, LE2 engines, to a dexos 1 full synthetic to avoid piston damage. 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 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 service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set. Read More »
This service bulletin provides a service procedure to correct conditions of Poor Engine Performance in Extremely cold weather conditions, CAC Icing, MIL Illuminated with DTCs 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 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 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 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 the following to the dealer. If an engine oil leak has been isolated to the front crankshaft seal, check for misfires low engine compression and/or cylinder leakage readings. Read More »
This Preliminary information communicates the following to the dealer. If an engine oil leak has been isolated to the front crankshaft seal, check for misfires low engine compression and/or cylinder leakage readings. Read More »
This technical bulletin provides a procedure to reprogram the ECM if at a certain VIN or above, or swap the knock sensor 1 with knock sensor 2 if at a certain VIN or below to correct a condition of lack of power or hesitation After ... Read More »
This technical bulletin provides a procedure to fill the cooling system if a customer experiences a condition of Gurgle or Water Rush Noise from Dash Area Upon a Stop due to the system not being filled all the way. Read More »
This informational bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. Read More »
This Preliminary Information communication advises the technician that the drive motor generator control module restriction through the General Motors Technical Assistance Center has ended. Read More »
This informational bulletin provides the technician of a possible location of the motor mount grounding out due to debris causing the customer concerns. 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 advises the technician to rest the MIL and diagnose additional DTCs for why the code is setting and disabling the start/stop system. Read More »
This Preliminary information communicates that a rotational clicking noise heard after engine shut down is a design characteristic and no repairs should be attempted. 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 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 the possibility of a crank no start or extended crank condition due to exhaust cam reluctor being out of position. 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 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 advises the technician that the drive motor generator control module is being placed on restriction through the General Motors Technical Assistance Center. 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 advises the technician that the drive motor generator control module is being placed on restriction through the General Motors Technical Assistance Center. Read More »
This Preliminary information communicates the possibility of the timing chain tesnioner gasket being improperly installed or mis-positioned after major engine repairs causing a low engine oil pressure and dtc p06DE. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have smoke from exhaust system and a coolant loss. Read More »
This Preliminary information communicates to look for other codesP0AEE, P0AF3, P0BD2, P0BD7, P0BDC, P0BE1 if a customer comes in with a Mil Request. Read More »
This Preliminary information communicates to the technician steps to address the MIL concern on the listed vehicles. It advises that if the vehicle has the code stored, the tech is to perform the SI diagnostic. Read More »
This technical bulletin provides a procedure to install a anti rattle spring on the actuator arm for the turbo and to correct the customers concern of a rattle noise heard from front of the engine. Read More »
This technical bulletin provides a procedure to inspect the A/C heat exchanger for possible weak welds, that may leak refrigerant causing the A/C system to not work properly. Read More »
This informational bulletin provides information of a possible misfire that may happen from incorrect camshafts being installed in the reman engines. Read More »
This Preliminary information communicates the possibility of the timing chain tensioner gasket being improperly installed or mis-positioned after major engine repairs causing a low engine oil pressure and dtc p06DE. 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 related to utilizing crankcase pressure testing to aid in engine oil leak diagnostics. 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 communicates to the dealer that the turbocharger wastegate actuator - rod assembly should be replaced as an individual component if found to be broken or damaged. Read More »
This technical bulletin provides a service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set. 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 service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3055 Set. 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 technical bulletin provides a procedure to fill the cooling system if a customer experiences a condition of Gurgle or Water Rush Noise from Dash Area Upon a Stop due to the system not being filled all the way. 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 »
This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up. Read More »
This Preliminary information communicates the possibility of a crank no start or extended crank condition due to exhaust cam reluctor being out of position. Read More »
This Preliminary Information communication provides information to the technician related to vehicles that have a Malfunction Indicator Lamp on. A technician may find Diagnostic Trouble Code P050D set as current or history. Read More »
This Preliminary Information communication provides information to the technician related to vehicles that have a Malfunction Indicator Lamp on. A technician may find Diagnostic Trouble Code P050D set as current or history. Read More »
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
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 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 Preliminary information communicates the possibility of a crank no start or extended crank condition due to exhaust cam reluctor being out of position. 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 technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement due to active shutters being inoperative. 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 communicates A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. 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 Preliminary information communicates A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. Read More »
This bulletin provides procedure information for hard to fuel and/or fuel filling station nozzle shuts off repeatedly due to the vapor generation reduction device inside the fuel filler pipe. 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 A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. 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 »
N182199610 - Customer Satisfaction Program. Certain vehicles may have a condition in which the high-pressure fuel pump may crack and potentially leak fuel. This may occur over time with vehicle usage. 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 related to vehicles that have a Malfunction Indicator Lamp on. A technician may find Diagnostic Trouble Code P050D set as current or history. 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 the possibility of the high pressure fuel pump roller follower pin walking out and making contact with cylinder head causing the ignition timing to be serverly retarded on acceleration causing ... 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 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 »
This bulletin provides procedure information for hard to fuel and/or fuel filling station nozzle shuts off repeatedly due to the vapor generation reduction device inside the fuel filler pipe. Read More »
FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
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 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 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 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 technical bulletin provides information for new software available to correct the reading of the fuel from dropping from full quickly after fill up. Read More »
N182199610 - Customer Satisfaction Program. Certain vehicles may have a condition in which the high-pressure fuel pump may crack and potentially leak fuel. This may occur over time with vehicle usage. Read More »
This Preliminary information communicates the possibility of the high pressure fuel pump roller follower pin walking out and making contact with cylinder head causing the ignition timing to be serverly retarded on acceleration causing ... Read More »
This Preliminary information communicates the possibility of the charge air cooler pipe connection becoming disconnected from the throttle body causing a reduced power issue and one or more of the following trouble codes P0172, P0299, ... 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 the possibility of the charge air cooler pipe connection becoming disconnected from the throttle body causing a reduced power issue and one or more of the following trouble codes P0172, P0299, ... 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 repair information to correct a customer concern of seeing an intermittent Shift to Park message displayed while vehicle is in Park. Read More »
This service bulletin provides repair information to correct a customer concern of seeing an intermittent Shift to Park message displayed while vehicle is in Park. 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 service bulletin provides a service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set. 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 repair information to correct a customer concern of seeing an intermittent Shift to Park message displayed while vehicle is in Park. Read More »
This service bulletin provides repair information to correct a customer concern of seeing an intermittent Shift to Park message displayed while vehicle is in Park. 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 technical bulletin provides repair information to correct a customer concern of seeing an intermittent Shift to Park message displayed while vehicle is in park. 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 Preliminary information communicates a possible BCM and/or circuit 5985 concern if DTC P0747 sets during engine shut down when the transmission is in park or neutral when no hydraulic/mechanical transmission concerns are present. Read More »
This Preliminary information communicates a possible BCM and/or circuit 5985 concern if DTC P0747 sets during engine shut down when the transmission is in park or neutral when no hydraulic/mechanical transmission concerns are present. Read More »
This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global ... Read More »
This Preliminary information communicates a possible BCM and/or circuit 5985 concern if DTC P0747 sets during engine shut down when the transmission is in park or neutral when no hydraulic/mechanical transmission concerns are present.. Read More »
This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park. Read More »
This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park. Read More »
This technical bulletin provides a procedure to have the valve body spacer plate replacement and transmission control module reprogramming with the latest software. Read More »
This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park. Read More »
This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. Read More »
This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record ... Read More »
This 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 swap the knock sensor 1 with knock sensor 2 to correct a lack of power or hesitation After Vehicle has reached operation temperature condition. Read More »
This technical bulletin provides a procedure to have the valve body spacer plate replacement and transmission control module reprogramming with the latest software. 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 advises the technician that the Malibu 5ET50 Hybrid Transmission and Component has a part restriction program that has ended. Read More »
This Preliminary Information communication advises the technician that the Malibu 5ET50 Hybrid Transmission and Component has a part restriction program. Read More »
This Preliminary Information communication advises the technician that the Malibu 5ET50 Hybrid Transmission and Component has a part restriction program. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Shift to Park message on the Driver Information Center. Read More »
This Preliminary information communicates the Control Valve Body spacer plate orifice #33 may be restricted as root cause for themay not go above 30 mph, may be stuck in 2nd gear, will not upshift, MIL is on, and/or DTC P2821 concern,to ... 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 the Control Valve Body spacer plate orifice #33 may be restricted as root cause for the may not go above 30 mph, may be stuck in 2nd gear, will not upshift, MIL is on, and/or DTC P2821 concern, to ... Read More »
This technical bulletin provides a procedure to have the valve body spacer plate replacement and transmission control module reprogramming with the latest software. Read More »
This Preliminary Information communication advises the technician that the Malibu 5ET50 Hybrid Transmission and Component has a part restriction program. Read More »
18017 01 - Service Update. An ASIC (Application Specific Integrated Circuit) in the engine control module may not power up correctly preventing the main microprocessor from communicating with ASICs. Read More »
This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. Read More »
This informational bulletin provides information to dealership personnel on automatic transmission shift and engine drivability concerns and/or MIL ON due to aftermarket oil bath air filter use. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Shift to Park message on the Driver Information Center. 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 advises the technician that the Malibu 5ET50 Hybrid Transmission and Component has a part restriction program. Read More »
This informational bulletin provides information on a normal characteristic of a transmission that will not shift into overdrive range during cold ambient temperatures. Read More »
This technical bulletin provides a service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set. 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 technical bulletin provides repair information to correct a customer concern of seeing an intermittent Shift to Park message displayed while vehicle is in park. Read More »
This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Shift to Park message on the Driver Information Center. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have a Shift to Park message on the Driver Information Center. Read More »
This Preliminary Information communication advises the technician that the Malibu 5ET50 Hybrid Transmission and Component has a part restriction program. Read More »
18277 - Customer Satisfaction Program - Certain vehicles equipped with RPO MNH (6 Speed Automatic Transmission) may have been built without a transmission case assembly cup plug. Read More »
This Preliminary information communicates is to commuate teardown finds. As we move away from Transmisison Replacements to internal service. Read More »
This Preliminary information communicates the Control Valve Body spacer plate orifice #33 may be restricted as root cause for themay not go above 30 mph, may be stuck in 2nd gear, will not upshift, MIL is on, and/or DTC P2821 concern,to ... Read More »
This Bulletin provides guidelines for Dealers required to contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of ... Read More »
This Preliminary information communicates to replace the valve body and solenoid body assemblies with both spacer plates for a DTC P2820concern if not able to clean the valve body or solenoid body assemblies. Read More »
This engineering informational bulletin ends the need for information from the field on vehicles that have the condition of Shift to Park Message Displayed. Read More »
This engineering informational bulletin is requesting information from the filed on vehicles that have the condition of Shift to Park Message Displayed. Read More »
This Preliminary information communicates to look for other codesP0AEE, P0AF3, P0BD2, P0BD7, P0BDC, P0BE1 if a customer comes in with a Mil Request. Read More »
POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT
This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage. Read More »
POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL)
This technical bulletin provides repair information to correct a customer concern of seeing an intermittent Shift to Park message displayed while vehicle is in park. Read More »
This Preliminary information communicates that a vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. 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 a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3055 Set. 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 repair information to correct a customer concern of seeing an intermittent Shift to Park message displayed while vehicle is in Park. 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 the possibility of a crank no start or extended crank condition due to exhaust cam reluctor being out of position. 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 »
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 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 repair procedure to correct a condition of Malfunction Indicator Lamp (MIL) Illuminated - DTCs P0615, P0617, P305C, P305D, P305E and/or P3054 Set. Read More »
This Preliminary information communicates A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. Read More »
This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This Preliminary information communicates that a vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. 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 vehicles that the speedometer needle appears to be inaccurate. Read More »
This Preliminary information communicates A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. Read More »
This technical bulletin provides a service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set. Read More »
This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park. Read More »
This technical bulletin provides a procedure to have the valve body spacer plate replacement and transmission control module reprogramming with the latest software. Read More »
This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly. 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 technical bulletin provides a procedure to reprogram the IPC to correct a condition of Speedometer and/or Tachometer Needle May Be Incorrect by Up to 6 Degrees due to a calibration concern. 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 technical bulletin provides a procedure to reprogram the ECM if at a certain VIN or above, or swap the knock sensor 1 with knock sensor 2 if at a certain VIN or below to correct a condition of lack of power or hesitation After ... 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 technical bulletin provides repair information to correct a customer concern of an intermittent blank or flickering driver information center (DIC). Read More »
Certain 2016-2018 model year Chevrolet Malibu, 2017-2018 model year Buick LaCrosse, and 2018 model year Buick Regal vehicles may have a condition which affects the electrical connection to one of the vehicle?s accelerator pedal position ... Read More »
N192218430 - Customer Satisfaction Program. During service, certain vehicles equipped with OnStar (RPO UE1), may have received an incorrect and partially programmed/configured replacement OnStar module. Read More »
This engineering information PI ends the need for information from the field to visually inspect the wiring harness and X5 connector that is plugged directly into the UBEC for signs of a thermal event. Read More »
N182198330 - Service Update - Certain 2017 and 2019 model year Chevrolet Cruze vehicles, 2018 model year Chevrolet Malibu vehicles, 2018 model year GMC Terrain vehicles, and 2019 model year Buick Cascada vehicles may have been built with ... 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 technical bulletin provides repair information to correct a customer concern of an intermittent blank or flickering driver information center (DIC). Read More »
This engineering information PI is requesting information from the field to visually inspect the wiring harness and X5 connector that is plugged directly into the UBEC for signs of a thermal event. Read More »
This Preliminary Information communication provides the technician with inspection and repair instructions for vehicles with Service Engine Soon lamp when locking, unlocking, going into gear, and when vehicle is running. Read More »
This Preliminary Information communication provides information to the technician that First Responder Guides for General Motors vehicles can be accessed via the web at http://www.gmstc.com. or http://www.nfpa. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Read More »
This technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement due to active shutters being inoperative. 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 an intermittent blank or flickering driver information center (DIC). Read More »
This engineering information PI ends the need for information from the field regarding wire harness chafe at the battery tray. If you encounter a vehicle with this condition, refer to SI for further diagnosis. 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 engineering informational bulletin is requesting information to visually inspect the wiring harness and X5 connector that is plugged directly into the UBEC for signs of a thermal event. Read More »
This engineering information PI ends the need for information from the field on vehicles that have the condition of Smoke or Burning Odor from Underhood with Malfunction Indicator Lamp Illuminated with DTC P305F or P058D. Read More »
This technical bulletin provides a procedure to replace the GEN I charging system with a GEN II charging system only if vehicles apply within the settings. Read More »
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module. Read More »
This Preliminary Information communication provides the technician with inspection and repair instructions for vehicles with Service Engine Soon lamp when locking, unlocking, going into gear, and when vehicle is running. Read More »
This technical bulletin provides a procedure for diagnosis of the active noise cancellation system for vehicles with either a low speed/low RPM condition or a high speed/high RPM condition of a loud noise from the Entertainment System due ... Read More »
This Preliminary Information communication advises the technician that the drive motor generator control module is being placed on restriction through the General Motors Technical Assistance Center. Read More »
This Preliminary information communicates that acustomer may complain of the Driver Information Center(DIC) intermittently flickering or going blank. It may be noted that this only seems to occur when playing songs via IHeart or Pandora. 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 Preliminary information communicates that acustomer may complain of the Driver Information Center(DIC) intermittently flickering or going blank. It may be noted that this only seems to occur when playing songs via IHeart or Pandora. 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 technical bulletin provides a procedure to perform diagnostics on the codes set and if no problem is found, to replace either the input or output speed sensor. Read More »
This technical bulletin provides a procedure to reprogram the memory set module to correct a condition of Personalization Selections Intermittently Missing from Comfort and Convenience Menu due to a calibration concern. Read More »
This technical bulletin provides a procedure to have the valve body spacer plate replacement and transmission control module reprogramming with the latest software. 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 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 »
18017 01 - Service Update. An ASIC (Application Specific Integrated Circuit) in the engine control module may not power up correctly preventing the main microprocessor from communicating with ASICs. Read More »
18017 - Service Update. An ASIC (Application Specific Integrated Circuit) in the engine control module may not power up correctly preventing the main microprocessor from communicating with ASICs. Read More »
18009 - Service Update. The bootloader version for the engine control module (ECM) was incorrectly released, and may result in a no-start or stall, and P062B, P0171/P0172, P1133/P2195/P2196 or P300 diagnostic trouble codes to set. Read More »
This technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement due to active shutters being inoperative. Read More »
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This Preliminary Information communication provides information to the technician about vehicles that 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 communicates a false setting of DTCU0121 in the FVCM due to a FVCM software anomaly. Code U0121 will set and be moved to history in the FVCM with each ignition cycle. Read More »
This Preliminary Information communication provides information to the technician 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 communication provides information to the technician about vehicles that have a Shift to Park message on the Driver Information Center. 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 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 informational bulletin provides to the technician, locations to check for possible loose or damaged electrical connections that may set a DTC instead of just replacing a part. 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 technical bulletin advises the technician to rest the MIL and diagnose additional DTCs for why the code is setting and disabling the start/stop 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 engineering information PI ends the need for information from the field regarding wire harness chafe at the battery tray. If you encounter a vehicle with this condition, refer to SI for further diagnosis. Read More »
This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Smoke or Burning Odor from Underhood with Malfunction Indicator Lamp Illuminated with DTC P305F or ... Read More »
18017 - Service Update. An ASIC (Application Specific Integrated Circuit) in the engine control module may not power up correctly preventing the main microprocessor from communicating with ASICs. 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 advises the technician the High Voltage Drive Motor Battery, for the 2016-2018 Chevrolet Malibu Hybrid has been placed on a parts restriction. Read More »
Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Correct battery cold cranking amperage (CCA) ratings and type are critical for proper test results when using the EL-50313. Read More »
This informational bulletin explains how the technician no longer needs to perform the 3 hour battery relearn procedure on 2017-2018 vehicles with Start/Stop. Read More »
This Preliminary information communicates the possibility for a internal E88 ECM issue that can cause numerous ECM related codes including dtc p0606 and the vehicle may crank and not start or not crank. Read More »
This Preliminary information communicates to replace the valve body and solenoid body assemblies with both spacer plates for a DTC P2820concern if not able to clean the valve body or solenoid body assemblies. Read More »
This technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement to correct a MIL Illuminated with DTCs and active shutters being inoperative. 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 warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs. 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 communicates that acustomer may complain of the Driver Information Center(DIC) intermittently flickering or going blank. It may be noted that this only seems to occur when playing songs via IHeart or Pandora. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Read More »
This Preliminary Information communication provides information to the technician about vehicle's odometer appears to be inaccurate relative to a known distance traveled. Read More »
All or Some Options May Be Missing from Driver Information Center (DIC) ¿Info Pages¿ Menu Due to Them Not Being Selected Condition Some customers may comment that with the ¿Info¿ option selected from the main menu (1), the ¿Info ... Read More »
ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER:SENSOR/SENDING UNIT
This service bulletin provides a procedure to inspect the A/C compressor failure due to a combination of low refrigerant and/or PAG oil to correct a condition of Air Conditioning Blows Warm Air and/or Does Not Get Cold. 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 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 Preliminary information communicates that acustomer may complain of the Driver Information Center(DIC) intermittently flickering or going blank. It may be noted that this only seems to occur when playing songs via IHeart or Pandora. Read More »
This technical bulletin provides a procedure to reprogram the ECM to correct a condition of Malfunction Indicator Illuminated with DTC P2B95 Set due to a calibration concern. Read More »
This technical bulletin provides information for new software available to correct the reading of the fuel from dropping from full quickly after fill up. 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 a false setting of DTCU0121 in the FVCM due to a FVCM software anomaly. Code U0121 will set and be moved to history in the FVCM with each ignition cycle. Read More »
This 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 communicates thata vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. 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 communicates thata vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. 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 Preliminary Information communication advises the technician the High Voltage Drive Motor Battery, for the 2016-2018 Chevrolet Malibu Hybrid has been placed on a parts restriction. 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 for dealers/technicians on Rear Tail Lamp Turn Signal Intermittently/Temporarily Flashes Quickly at Low Temperatures and that the tail lamp is functioning as intended. 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 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 have an intermittent no crank, no start, or start stall concern with the security light coming on. Read More »
This Preliminary information communicates a condition where there is only newer hardware available when replacing the Active Safety Control Module. Read More »
This Preliminary information communicates a condition where there is only newer hardware available when replacing the Active Safety Control Module. Read More »
This Preliminary information communicates the possibility of the charge air cooler pipe connection becoming disconnected from the throttle body causing a reduced power issue and one or more of the following trouble codes P0172, P0299, ... Read More »
This Preliminary information communicates the possibility of the charge air cooler pipe connection becoming disconnected from the throttle body causing a reduced power issue and one or more of the following trouble codes P0172, P0299, ... 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 for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »
This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly. Read More »
This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly. Read More »
This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly. Read More »
This technical bulletin provides a procedure to fill the cooling system if a customer experiences a condition of Gurgle or Water Rush Noise from Dash Area Upon a Stop due to the system not being filled all the way. Read More »
This Preliminary Information communication provides the technician with information on the proper washing of the bright aluminum moldings to avoid the moldings from getting damaged. Read More »
This technical bulletin provides a procedure to add a washer to prevent the rear shock outer housing making solid contact with the shock mount isolation rubber. Read More »
This engineering information PI ends the need for information from the field on vehicles that have the condition of Smoke or Burning Odor from Underhood with Malfunction Indicator Lamp Illuminated with DTC P305F or P058D. Read More »
This Preliminary Information communication provides the technician with the steps to diagnose and repair the concern of mildew odor or water on front floor on either side of the vehicle. Read More »
This Preliminary Information communication provides the technician with the steps to diagnose and repair the concern of mildew odor or water on front floor on either side of the vehicle. Read More »
This Preliminary information communicates to replace the valve body and solenoid body assemblies with both spacer plates for a DTC P2820concern if not able to clean the valve body or solenoid body assemblies. Read More »
This technical bulletin provides a procedure to correct the condition of Front End Rattle Noise when Braking Moderate or Hard on Rough Surfaces. 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 Preliminary information communicates the Control Valve Body spacer plate orifice #33 may be restricted as root cause for themay not go above 30 mph, may be stuck in 2nd gear, will not upshift, MIL is on, and/or DTC P2821 concern,to ... Read More »
Special Coverage Adjustment - Certain 2016-2018 model year Chevrolet Malibu, 2017-2018 model year Buick LaCrosse, and 2018 model year Buick Regal vehicles may have a condition which affects the electrical connection to one of the ... Read More »
Certain 2016-2018 model year Chevrolet Malibu, 2017-2018 model year Buick LaCrosse, and 2018 model year Buick Regal vehicles may have a condition which affects the electrical connection to one of the vehicle?s accelerator pedal position ... Read More »
This Preliminary Information communication provides information to the technician that some owners may notice at roughly 3/4 of the way through the accelerator pedal travel there is a click felt in the pedal also the pedal gets harder to ... Read More »
This Preliminary information communicates that a vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. Read More »
This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »
This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty ... Read More »
This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty ... Read More »
This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (Base Warranty Coverage). Read More »
This warranty administration bulletin provides information on The tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »
This 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 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 engineering information (EI) closure ends the need for information from the field on a stick-slip type condition felt in steering wheel at highway speeds. 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 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 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 technical bulletin provides repair information to correct a customer concern of front seat slight rocking movement while shifting weight from seat, during hard stops, and/or when driving over rough road surface. Read More »
This engineering information (EI) closure ends the need for information from the field for a condition of drivers seat track will not adjust forward and/or backwards and becomes seized. Read More »
This engineering informational bulletin is requesting information from the field to determine a root cause for a condition of drivers seat track will not adjust forward and/or backwards and becomes seized. Read More »
This engineering informational bulletin is requesting information from the field to determine a root cause for a condition of drivers seat track will not adjust forward and/or backwards and becomes seized. 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 repair information to correct a customer concern of front seat slight rocking movement while shifting weight from seat, during hard stops, and/or when driving over rough road surface. Read More »
This technical bulletin provides a procedure to disengage the jammed parts and release the gears for proper function caused by the mechanical of the height adjustment being jammed, not broken creating a condition of difficult to adjust ... Read More »
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". Read More »
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". Read More »
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". Read More »
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". Read More »
This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert". Read More »
FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL
This Preliminary information communicates that a vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. Read More »
This Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when theForward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert". Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Read More »
This Preliminary information communicates that a vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. Read More »
This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that may have an Object Detection System Message Diagnostic Trouble Codes U0075, U026A, U026B, U026C, U0265, ... Read More »
This Preliminary Information communication provides information to the technician about vehicles thatmay have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Read More »
This Preliminary information communicates that a vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. Read More »
This Preliminary Information communication provides information to the technician about vehicles thatmay have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Read More »
This Preliminary Information communication provides information to the technician about vehicles thatmay have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Read More »
This Preliminary Information communication provides the technician with inspection and repair instructions for vehicles with Service Engine Soon lamp when locking, unlocking, going into gear, and when vehicle is running. Read More »
This Preliminary Information communication provides the technician with inspection and repair instructions for vehicles with Service Engine Soon lamp when locking, unlocking, going into gear, and when vehicle is running. Read More »
This Preliminary information communicates a condition where there is only newer hardware available when replacing the Active Safety Control Module. 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 »
This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that may have an Object Detection System Message Diagnostic Trouble Codes U0075, U026A, U026B, U026C, U0265, ... 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 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 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 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 repair information to correct a customer concern of seeing an intermittent Shift to Park message displayed while vehicle is in Park. Read More »
This service bulletin provides a procedure to inspect the A/C compressor failure due to a combination of low refrigerant and/or PAG oil to correct a condition of Air Conditioning Blows Warm Air and/or Does Not Get Cold. Read More »
This Preliminary information communicates a condition where there is only newer hardware available when replacing the Active Safety Control Module. 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 »
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. Read More »
This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. Read More »
This warranty administration bulletin provides information on Warranty Administration - Customer Concern Not Duplicated (CCND) Labor Operation Numbers. Read More »
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »
This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. Read More »
This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »
This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Read More »
This technical bulletin provides a service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set. 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 informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »
This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly. Read More »
This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park. Read More »
This informational bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only). Read More »
This technical bulletin provides a procedure to have the valve body spacer plate replacement and transmission control module reprogramming with the latest software. Read More »
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »
This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly. Read More »
This technical bulletin provides a service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set. 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 technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement to correct a MIL Illuminated with DTCs and active shutters being inoperative. 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 engineering information (EI) closure ends the need for information from the field on a stick-slip type condition felt in steering wheel at highway speeds. 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 technical bulletin provides a procedure to fill the cooling system if a customer experiences a condition of Gurgle or Water Rush Noise from Dash Area Upon a Stop due to the system not being filled all the way. 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 »
N192218430 - Customer Satisfaction Program. During service, certain vehicles equipped with OnStar (RPO UE1), may have received an incorrect and partially programmed/configured replacement OnStar module. 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 »
N182198330 - Service Update - Certain 2017 and 2019 model year Chevrolet Cruze vehicles, 2018 model year Chevrolet Malibu vehicles, 2018 model year GMC Terrain vehicles, and 2019 model year Buick Cascada vehicles may have been built with ... Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This 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 the technician of a possible location of the motor mount grounding out due to debris causing the customer concerns. 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 advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »
This informational bulletin provides 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 the technician with the steps to diagnose and repair the concern of mildew odor or water on front floor on either side of the vehicle. Read More »
This Preliminary information communicates the possibility of the high pressure fuel pump roller follower pin walking out and making contact with cylinder head causing the ignition timing to be serverly retarded on acceleration causing ... Read More »
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formally known as a Product Allegation Resolution (PAR) claim. Read More »
This technical bulletin provides a procedure for diagnosis of the active noise cancellation system for vehicles with either a low speed/low RPM condition or a high speed/high RPM condition of a loud noise from the Entertainment System due ... Read More »
This engineering informational bulletin is requesting information pictures of windshield, steering wheel and/or door trim panel for product issues covered under warranty. Read More »
This Preliminary information communicates that acustomer may complain of the Driver Information Center(DIC) intermittently flickering or going blank. It may be noted that this only seems to occur when playing songs via IHeart or Pandora. 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 the technician with information on the proper washing of the bright aluminum moldings to avoid the moldings from getting damaged. 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 Preliminary information communicates the possibility of the timing chain tesnioner gasket being improperly installed or mis-positioned after major engine repairs causing a low engine oil pressure and dtc p06DE. Read More »
This Preliminary information communicates that acustomer may complain of the Driver Information Center(DIC) intermittently flickering or going blank. It may be noted that this only seems to occur when playing songs via IHeart or Pandora. 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 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 a listing of the parts availability for coax repair procedures and what is needed to complete some repairs. Read More »
This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only). Read More »
This informational bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered seepage. 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 »
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 »
This technical bulletin provides a procedure to wrap the wireless charger port cooling duct to correct the moisture entering the DC/DC module. Read More »
This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that may have an Object Detection System Message Diagnostic Trouble Codes U0075, U026A, U026B, U026C, U0265, ... 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 the possibility of the timing chain tensioner gasket being improperly installed or mis-positioned after major engine repairs causing a low engine oil pressure and dtc p06DE. Read More »
This Preliminary information communicates the following to the dealer. If an engine oil leak has been isolated to the front crankshaft seal, check for misfires low engine compression and/or cylinder leakage readings. 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 Preliminary Information communication advises the technician that the drive motor generator control module is being placed on restriction through the General Motors Technical Assistance Center. 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 informational bulletin explains the need to change the oil used in the LFV, LE2 engines, to a dexos 1 full synthetic to avoid piston damage. 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 »
Special Coverage Adjustment - Certain 2016-2018 model year Chevrolet Malibu, 2017-2018 model year Buick LaCrosse, and 2018 model year Buick Regal vehicles may have a condition which affects the electrical connection to one of the ... 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 technical bulletin provides repair information to correct a customer concern of seeing an intermittent Shift to Park message displayed while vehicle is in park. Read More »
This technical bulletin provides repair information to correct a customer concern of seeing an intermittent Shift to Park message displayed while vehicle is in park. Read More »
This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Read More »
This Preliminary Information communication provides information to the technician about vehicles that the Navigation radio does not have a global positioning system location but OnStar is able to accurately locate the vehicle. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This Preliminary Information communication 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 technical bulletin provides a procedure for diagnosis of the active noise cancellation system for vehicles with either a low speed/low RPM condition or a high speed/high RPM condition of a loud noise from the Entertainment System due ... 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 Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that may have an Object Detection System Message Diagnostic Trouble Codes U0075, U026A, U026B, U026C, U0265, ... 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 technical bulletin provides repair information to correct a customer concern of an intermittent blank or flickering driver information center (DIC). Read More »
This Preliminary information communicates that acustomer may complain of the Driver Information Center(DIC) intermittently flickering or going blank. It may be noted that this only seems to occur when playing songs via IHeart or Pandora. 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 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 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 a possible BCM and/or circuit 5985 concern if DTC P0747 sets during engine shut down when the transmission is in park or neutral when no hydraulic/mechanical transmission concerns are present. Read More »
This technical bulletin provides a procedure to disengage the jammed parts and release the gears for proper function caused by the mechanical of the height adjustment being jammed, not broken creating a condition of difficult to adjust ... 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 »
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 technical bulletin provides a service procedure to correct conditions of Poor Engine Performance in Extremely cold weather conditions, CAC Icing, MIL Illuminated with DTCs set. Read More »
This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated (CCND) Labor Operation Numbers. Read More »
This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »
This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »
This warranty administration bulletin provide policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada. Read More »
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »
This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). Read More »
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module. Read More »
This informational bulletin provides information for the dealer technician to gather as much information to help aid Engineers by completely filling out requested reports. Read More »
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer. Read More »
This engineering informational bulletin is requesting information from the field to determine a root cause for a condition of drivers seat track will not adjust forward and/or backwards and becomes seized. 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 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 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 related to vehicles that have a Malfunction Indicator Lamp on. A technician may find Diagnostic Trouble Code P050D set as current or history. 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 communicatesthe steps to diagnose and repair the concern of MIL on with DTC'sP0335 P0340 P0365 set current or in history. Read More »
This Preliminary Information communication advises the technician that the Malibu 5ET50 Hybrid Transmission and Component has a part restriction program. Read More »
This Preliminary information communicates that the E88 ECM controllers part number 12680194 and 12691559 are currently under part restriction. 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 information bulletin explains the labor operation numbers used for submitting warranty claims and how to setup, and reprogram modules. 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 repair information to correct a customer concern of seeing an intermittent Shift to Park message displayed while vehicle is in Park. 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 advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels ... Read More »
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »
This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »
This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly. 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 technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement to correct a MIL Illuminated with DTCs and active shutters being inoperative. 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 »
N192218430 - Customer Satisfaction Program. During service, certain vehicles equipped with OnStar (RPO UE1), may have received an incorrect and partially programmed/configured replacement OnStar module. 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 »
N182198330 - Service Update - Certain 2017 and 2019 model year Chevrolet Cruze vehicles, 2018 model year Chevrolet Malibu vehicles, 2018 model year GMC Terrain vehicles, and 2019 model year Buick Cascada vehicles may have been built with ... Read More »
This informational bulletin provides the technician of a possible location of the motor mount grounding out due to debris causing the customer concerns. 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 informational bulletin provides information for information on passenger presence sensing system (PPS or PSS) concerns with custom upholstery, accessory seat heaters or other comfort enhancing devices. Read More »
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Read More »
This Preliminary Information communication provides the technician with information on the proper washing of the bright aluminum moldings to avoid the moldings from getting damaged. Read More »
This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Read More »
This Preliminary information communicates the possibility of the timing chain tesnioner gasket being improperly installed or mis-positioned after major engine repairs causing a low engine oil pressure and dtc p06DE. Read More »
This Preliminary information communicates that acustomer may complain of the Driver Information Center(DIC) intermittently flickering or going blank. It may be noted that this only seems to occur when playing songs via IHeart or Pandora. 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 »
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 »
This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that may have an Object Detection System Message Diagnostic Trouble Codes U0075, U026A, U026B, U026C, U0265, ... Read More »
This Preliminary information communicates the possibility of the timing chain tensioner gasket being improperly installed or mis-positioned after major engine repairs causing a low engine oil pressure and dtc p06DE. Read More »
This Preliminary information communicates the following to the dealer. If an engine oil leak has been isolated to the front crankshaft seal, check for misfires low engine compression and/or cylinder leakage readings. 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 procedure to inspect the A/C compressor failure due to a combination of low refrigerant and/or PAG oil to correct a condition of Air Conditioning Blows Warm Air and/or Does Not Get Cold. 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 inspect the A/C heat exchanger for possible weak welds, that may leak refrigerant causing the A/C system to not work properly. Read More »
