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.

    STEERING

    • TSB #16NA109

      Date Announced:
      MAR 08, 2021
      NHTSA ID:
      #10191163

      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 »

    • TSB #20NA223

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10186091

      This service bulletin provides repair information to correct a customer concern of Steering is Sticking, Binding, Hard to Turn, or Stiff. Read More »

    • TSB #20NA223

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10187418

      This service bulletin provides repair information to correct a customer concern of Steering is Sticking, Binding, Hard to Turn, or Stiff. Read More »

    • TSB #19NA185

      Date Announced:
      FEB 13, 2020
      NHTSA ID:
      #10173395

      This Technical bulletin provides a procedure for dealers/technicians to correct a condition of Steering Wheel Shimmy/Shaking. Read More »

    • TSB #PIE0542A

      Date Announced:
      JAN 10, 2020
      NHTSA ID:
      #10172299

      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 »

    • TSB #19NA185

      Date Announced:
      DEC 02, 2019
      NHTSA ID:
      #10170708

      This Technical bulletin provides a procedure for dealers/technicians to correct a condition of Steering Wheel Shimmy/Shaking. Read More »

    • TSB #PIE0539B

      Date Announced:
      NOV 25, 2019
      NHTSA ID:
      #10169362

      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 »

    • TSB #19NA185

      Date Announced:
      OCT 14, 2019
      NHTSA ID:
      #10168231

      This Technical bulletin provides information for dealers/technicians on a Steering Wheel Shimmy/Shaking condition. Read More »

    • TSB #PIE0542

      Date Announced:
      OCT 03, 2019
      NHTSA ID:
      #10168224

      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 »

    • TSB #PIE0539A

      Date Announced:
      OCT 01, 2019
      NHTSA ID:
      #10168222

      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 »

    • TSB #PIE0539

      Date Announced:
      SEP 17, 2019
      NHTSA ID:
      #10166673

      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 »

    • TSB #19NA185

      Date Announced:
      AUG 20, 2019
      NHTSA ID:
      #10165115

      This informational bulletin provides information for dealers/technicians on Steering Wheel Shimmy/Shaking. Read More »

    • TSB #19NA182

      Date Announced:
      AUG 09, 2019
      NHTSA ID:
      #10165113

      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 »

    • TSB #16NA109

      Date Announced:
      AUG 05, 2019
      NHTSA ID:
      #10165079

      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 »

    • TSB #PIP5557

      Date Announced:
      FEB 20, 2018
      NHTSA ID:
      #10129894

      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 »

    • TSB #PI0671A

      Date Announced:
      MAR 17, 2017
      NHTSA ID:
      #10138087

      This preliminary information bulletin provides information for diagnosing a power steering fluid leak at the fluid reservoir. Read More »

    • TSB #16-NA-109

      Date Announced:
      MAR 13, 2017
      NHTSA ID:
      #10138025

      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 »

    SUSPENSION

    • TSB #PIT5214E

      Date Announced:
      MAY 07, 2021
      NHTSA ID:
      #10197286

      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 »

    • TSB #050308002I

      Date Announced:
      APR 09, 2021
      NHTSA ID:
      #10195128

      This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak. Read More »

    • TSB #18NA136

      Date Announced:
      APR 26, 2019
      NHTSA ID:
      #10160117

      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 »

    • TSB #PIT5214D

      Date Announced:
      DEC 17, 2018
      NHTSA ID:
      #10154605

      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 »

    • TSB #99-04-20-002J

      Date Announced:
      MAR 29, 2017
      NHTSA ID:
      #10138086

      This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations. Read More »

    SUSPENSION:FRONT

    • TSB #18NA163

      Date Announced:
      JUL 23, 2020
      NHTSA ID:
      #10178952

      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 »

    SUSPENSION:FRONT:SHOCK ABSORBER

    • TSB #150089004B

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190337

      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 »

    SUSPENSION:FRONT:MACPHERSON STRUT

    • TSB #150089004B

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190337

      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 »

    SUSPENSION:REAR:SHOCK ABSORBER

    • TSB #150089004B

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190337

      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 »

    BRAKES (PWS)

    • TSB #PIP5247A

      Date Announced:
      APR 09, 2021
      NHTSA ID:
      #10193443

      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 »

    • TSB #21NA045

      Date Announced:
      MAR 19, 2021
      NHTSA ID:
      #10191218

      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 »

    • TSB #18NA163

      Date Announced:
      JUL 23, 2020
      NHTSA ID:
      #10178952

      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 »

    • TSB #19NA202

      Date Announced:
      SEP 05, 2019
      NHTSA ID:
      #10166628

      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 »

    • TSB #18NA067

      Date Announced:
      MAR 01, 2018
      NHTSA ID:
      #10137297

      This informational bulletin provides information for cleaning brake dust off of aluminum or chrome wheels. Read More »

    • TSB #PIT5441C

      Date Announced:
      SEP 21, 2017
      NHTSA ID:
      #10157027

      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 »

    SERVICE BRAKES, HYDRAULIC

    • TSB #16NA286

      Date Announced:
      JUL 18, 2019
      NHTSA ID:
      #10163880

      This Bulletin provides information, tips and graphics regarding specific Hybrid vehicle hydraulic brake system failures, emphasizing disc brake caliper guide pin failures. Read More »

    • TSB #17NA326

      Date Announced:
      OCT 11, 2017
      NHTSA ID:
      #10134609

      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

    • TSB #17-NA-326

      Date Announced:
      APR 15, 2021
      NHTSA ID:
      #10190306

      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 »

    • TSB #17-NA-326

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190312

      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

    • TSB #18308

      Date Announced:
      SEP 28, 2018
      NHTSA ID:
      #10147337

      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 »

    SERVICE BRAKES, AIR:DISC:PADS

    • TSB #17-NA-326

      Date Announced:
      APR 15, 2021
      NHTSA ID:
      #10190306

      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 »

    • TSB #17-NA-326

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190312

      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, AIR:ANTILOCK

    • TSB #PIT3271J

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10168960

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #PIC6229B

      Date Announced:
      DEC 04, 2017
      NHTSA ID:
      #10126923

      This Preliminary Information communication provides information to the technician about vehicles that have a crank but engine does not start concern. Read More »

    PARKING BRAKE

    • TSB #PIT5441C

      Date Announced:
      SEP 21, 2017
      NHTSA ID:
      #10157027

      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 »

    • TSB #PI1410B

      Date Announced:
      MAY 19, 2017
      NHTSA ID:
      #10137680

      This preliminary informational bulletin provides information regarding the normal characteristic of instrument panel red brake light intermittently comes on. Read More »

    ENGINE (PWS)

    • TSB #PIP5657C

      Date Announced:
      JUL 20, 2021
      NHTSA ID:
      #10201250

      This Preliminary information communicates the possibility of a misfire occuring due to a broken center insulator on the spark plug. Read More »

    • TSB #18NA201

      Date Announced:
      MAY 05, 2021
      NHTSA ID:
      #10199232

      This technical bulletin provides a procedure to seal the bedplate bolt #621 if found the cause of the oil leak. Read More »

    • TSB #19NA044

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10199238

      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 »

    • TSB #000601026N

      Date Announced:
      APR 22, 2021
      NHTSA ID:
      #10195126

      This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. Read More »

    • TSB #PIP5803A

      Date Announced:
      APR 19, 2021
      NHTSA ID:
      #10193459

      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 »

    • TSB #18NA073

      Date Announced:
      JAN 22, 2021
      NHTSA ID:
      #10187745

      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 »

    • TSB #060089031F

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10184501

      This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification. Read More »

    • TSB #16NA222

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183126

      This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »

    • TSB #19NA080

      Date Announced:
      OCT 16, 2020
      NHTSA ID:
      #10183146

      This informational bulletin provides information to the tech to discard the PCV drain tube when working on the lower area of the engine. Read More »

    • TSB #PI1171D

      Date Announced:
      SEP 24, 2020
      NHTSA ID:
      #10181725

      This preliminary informational (PI) provides diagnosis and repair information regarding bearing damage or when an engine will not rotate. Read More »

    • TSB #PIP5647B

      Date Announced:
      AUG 20, 2020
      NHTSA ID:
      #10179642

      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 »

    • TSB #PIP5598C

      Date Announced:
      AUG 20, 2020
      NHTSA ID:
      #10179645

      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 »

    • TSB #16NA338

      Date Announced:
      JUL 28, 2020
      NHTSA ID:
      #10178949

      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 »

    • TSB #PIP5226D

      Date Announced:
      JUL 27, 2020
      NHTSA ID:
      #10178387

      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 »

    • TSB #PIP5697E

      Date Announced:
      JUL 16, 2020
      NHTSA ID:
      #10178374

      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 »

    • TSB #PIP5684B

      Date Announced:
      JUL 13, 2020
      NHTSA ID:
      #10178370

      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 »

    • TSB #N182188250 02

      Date Announced:
      JUN 19, 2020
      NHTSA ID:
      #10177369

      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 »

    • TSB #PIP5628B

      Date Announced:
      MAY 21, 2020
      NHTSA ID:
      #10176326

      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 »

    • TSB #PIP5598B

      Date Announced:
      MAY 20, 2020
      NHTSA ID:
      #10176325

      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 »

    • TSB #16NA383

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176607

      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 »

    • TSB #20NA098

      Date Announced:
      MAY 05, 2020
      NHTSA ID:
      #10176632

      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 »

    • TSB #20NA047

      Date Announced:
      APR 17, 2020
      NHTSA ID:
      #10175757

      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 »

    • TSB #PIP5697B

      Date Announced:
      MAR 30, 2020
      NHTSA ID:
      #10173727

      This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park. Read More »

    • TSB #PIP5697A

      Date Announced:
      MAR 27, 2020
      NHTSA ID:
      #10173726

      This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park. Read More »

    • TSB #18NA069

      Date Announced:
      MAR 12, 2020
      NHTSA ID:
      #10174263

      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 »

    • TSB #040601029J

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173416

      This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. Read More »

    • TSB #18NA069

      Date Announced:
      FEB 21, 2020
      NHTSA ID:
      #10172783

      This technical bulletin provides a procedure to replace the CAC if found the cause of the poor engine performance from ice build up. Read More »

    • TSB #PIP5417C

      Date Announced:
      FEB 20, 2020
      NHTSA ID:
      #10172328

      This Preliminary Information communication provides information to the technician related to utilizing crankcase pressure testing to aid in engine oil leak diagnostics. Read More »

    • TSB #18NA073

      Date Announced:
      FEB 07, 2020
      NHTSA ID:
      #10172784

      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 »

    • TSB #PIP5540E

      Date Announced:
      OCT 14, 2019
      NHTSA ID:
      #10167437

      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 »

    • TSB #N182188250

      Date Announced:
      AUG 15, 2019
      NHTSA ID:
      #10165443

      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 »

    • TSB #090604026Q

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163266

      This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »

    • TSB #18NA246

      Date Announced:
      MAY 29, 2019
      NHTSA ID:
      #10161941

      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 »

    • TSB #PIP5647

      Date Announced:
      MAY 13, 2019
      NHTSA ID:
      #10161014

      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 »

    • TSB #PIP5640

      Date Announced:
      MAY 07, 2019
      NHTSA ID:
      #10160987

      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 »

    • TSB #PIP5226C

      Date Announced:
      MAY 06, 2019
      NHTSA ID:
      #10160983

      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 »

    • TSB #PIP5569A

      Date Announced:
      APR 24, 2019
      NHTSA ID:
      #10160690

      This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. Read More »

    • TSB #19NA032

      Date Announced:
      APR 15, 2019
      NHTSA ID:
      #10160124

      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 »

    • TSB #18NA246

      Date Announced:
      MAR 28, 2019
      NHTSA ID:
      #10158819

      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 »

    • TSB #PIP5472F

      Date Announced:
      MAR 04, 2019
      NHTSA ID:
      #10156905

      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 »

    • TSB #19NA044

      Date Announced:
      MAR 01, 2019
      NHTSA ID:
      #10158838

      This informational bulletin provides information on a normal engine operating condition for faster emission warm up time. Read More »

    • TSB #18NA246

      Date Announced:
      FEB 14, 2019
      NHTSA ID:
      #10156896

      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 »

    • TSB #18NA246

      Date Announced:
      FEB 14, 2019
      NHTSA ID:
      #10158772

      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 »

    • TSB #18NA246

      Date Announced:
      FEB 14, 2019
      NHTSA ID:
      #10158160

      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 »

    • TSB #120601003C

      Date Announced:
      FEB 13, 2019
      NHTSA ID:
      #10155074

      This Bulletin Provides Information for Repairing Engine Front Cover Oil Leak, Sealing Surface Preparation and Applying RTV Sealant. Read More »

    • TSB #PIP5609

      Date Announced:
      NOV 02, 2018
      NHTSA ID:
      #10151817

      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 »

    • TSB #PIP5598

      Date Announced:
      OCT 09, 2018
      NHTSA ID:
      #10147358

      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 »

    • TSB #PIC6161C

      Date Announced:
      OCT 09, 2018
      NHTSA ID:
      #10147360

      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 »

    • TSB #PIP5320G

      Date Announced:
      OCT 09, 2018
      NHTSA ID:
      #10147361

      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 »

    • TSB #PIP5597

      Date Announced:
      OCT 09, 2018
      NHTSA ID:
      #10147363

      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 »

    • TSB #PIP5534A

      Date Announced:
      OCT 09, 2018
      NHTSA ID:
      #10147364

      This Preliminary information communicates additional diagnostics to assist the dealer technician with diagnosing and repairing trouble code P2097. Read More »

    • TSB #PIC6229C

      Date Announced:
      SEP 19, 2018
      NHTSA ID:
      #10145496

      This Preliminary Information communication provides information to the technician about vehicles that have a crank but engine does not start concern. Read More »

    • TSB #PIP5472E

      Date Announced:
      AUG 28, 2018
      NHTSA ID:
      #10144475

      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 »

    • TSB #PIP5557C

      Date Announced:
      AUG 27, 2018
      NHTSA ID:
      #10144471

      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 »

    • TSB #PIP5163D

      Date Announced:
      AUG 08, 2018
      NHTSA ID:
      #10144451

      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 »

    • TSB #PIP5373B

      Date Announced:
      JUN 11, 2018
      NHTSA ID:
      #10143429

      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 »

    • TSB #PIE0463

      Date Announced:
      APR 30, 2018
      NHTSA ID:
      #10137614

      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 »

    • TSB #060089031E

      Date Announced:
      MAR 28, 2018
      NHTSA ID:
      #10137383

      This informational bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification. Read More »

    • TSB #18NA074

      Date Announced:
      MAR 12, 2018
      NHTSA ID:
      #10137302

      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 »

    • TSB #18NA073

      Date Announced:
      MAR 08, 2018
      NHTSA ID:
      #10137301

      This Bulletin provides graphics, information and guidelines for engine component wear that require repair and not engine replacement. Read More »

    • TSB #18NA069

      Date Announced:
      MAR 06, 2018
      NHTSA ID:
      #10137299

      This technical bulletin provides a procedure to replace the CAC if found the cause of the poor engine performance from ice build up. Read More »

    • TSB #16NA338

      Date Announced:
      FEB 27, 2018
      NHTSA ID:
      #10137283

      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 »

    • TSB #090604015C

      Date Announced:
      FEB 27, 2018
      NHTSA ID:
      #10137343

      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 »

    • TSB #090604026N

      Date Announced:
      FEB 15, 2018
      NHTSA ID:
      #10137344

      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 »

    • TSB #18017

      Date Announced:
      JAN 29, 2018
      NHTSA ID:
      #10137163

      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 »

    • TSB #PIP5226B

      Date Announced:
      JAN 25, 2018
      NHTSA ID:
      #10129097

      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 »

    • TSB #PIP5540A

      Date Announced:
      JAN 18, 2018
      NHTSA ID:
      #10129073

      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 »

    • TSB #150089005A

      Date Announced:
      OCT 25, 2017
      NHTSA ID:
      #10134594

      This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only). Read More »

    • TSB #PIP5517A

      Date Announced:
      OCT 20, 2017
      NHTSA ID:
      #10123271

      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 »

    • TSB #PIP5517

      Date Announced:
      SEP 12, 2017
      NHTSA ID:
      #10157000

      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 »

    • TSB #070601016D

      Date Announced:
      SEP 05, 2017
      NHTSA ID:
      #10159574

      This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement. Read More »

    • TSB #PIC6303

      Date Announced:
      AUG 29, 2017
      NHTSA ID:
      #10137748

      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 »

    • TSB #PIP5163C

      Date Announced:
      AUG 21, 2017
      NHTSA ID:
      #10137727

      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 »

    • TSB #PIP5320E

      Date Announced:
      AUG 10, 2017
      NHTSA ID:
      #10137709

      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 »

    • TSB #00-06-01-012G

      Date Announced:
      MAY 17, 2017
      NHTSA ID:
      #10137601

      This informational bulletin advises the possible issues that may occur using a scotch brite pad or highly abrasive disk on engine surfaces. Read More »

    • TSB #16-NA-367

      Date Announced:
      MAY 02, 2017
      NHTSA ID:
      #10137634

      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 »

    ENGINE AND ENGINE COOLING

    • TSB #18NA201

      Date Announced:
      MAY 05, 2021
      NHTSA ID:
      #10198841

      This technical bulletin provides a procedure to seal the bedplate bolt #621 if found the cause of the oil leak. Read More »

    • TSB #19NA044

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10198847

      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 »

    • TSB #PIP5247A

      Date Announced:
      APR 09, 2021
      NHTSA ID:
      #10193443

      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 »

    • TSB #20NA138

      Date Announced:
      MAR 11, 2021
      NHTSA ID:
      #10191207

      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 »

    • TSB #20NA047

      Date Announced:
      MAR 08, 2021
      NHTSA ID:
      #10191201

      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 »

    • TSB #18NA069

      Date Announced:
      MAR 02, 2021
      NHTSA ID:
      #10191190

      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 »

    • TSB #010601011L

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10186104

      This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »

    • TSB #090604026S

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10186106

      This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »

    • TSB #20NA213

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183211

      This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48. Read More »

    • TSB #PIP5628C

      Date Announced:
      OCT 08, 2020
      NHTSA ID:
      #10182545

      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 »

    • TSB #PIP5684A

      Date Announced:
      MAY 05, 2020
      NHTSA ID:
      #10176300

      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 »

    • TSB #PIC5650G

      Date Announced:
      APR 27, 2020
      NHTSA ID:
      #10174861

      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 »

    • TSB #PIP5540F

      Date Announced:
      JAN 14, 2020
      NHTSA ID:
      #10171280

      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 »

    • TSB #18NA069

      Date Announced:
      OCT 28, 2019
      NHTSA ID:
      #10168183

      This technical bulletin provides a procedure to replace the CAC if found the cause of the poor engine performance from ice build up. Read More »

    • TSB #PIP5402E

      Date Announced:
      OCT 22, 2019
      NHTSA ID:
      #10167456

      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 »

    • TSB #010601011K

      Date Announced:
      OCT 09, 2019
      NHTSA ID:
      #10168205

      This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »

    • TSB #PIP5517C

      Date Announced:
      OCT 08, 2019
      NHTSA ID:
      #10167429

      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 »

    • TSB #PIP5517B

      Date Announced:
      SEP 26, 2019
      NHTSA ID:
      #10165911

      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 »

    • TSB #19NA032

      Date Announced:
      AUG 28, 2019
      NHTSA ID:
      #10165095

      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 »

    • TSB #090604026R

      Date Announced:
      AUG 21, 2019
      NHTSA ID:
      #10165124

      This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »

    • TSB #18NA015

      Date Announced:
      AUG 20, 2019
      NHTSA ID:
      #10165086

      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 »

    • TSB #000601026M

      Date Announced:
      AUG 15, 2019
      NHTSA ID:
      #10165121

      This informational bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. Read More »

    • TSB #070601016F

      Date Announced:
      AUG 13, 2019
      NHTSA ID:
      #10165122

      This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement. Read More »

    • TSB #PIP5657A

      Date Announced:
      JUN 19, 2019
      NHTSA ID:
      #10162140

      This Preliminary information communicates the possibility of a misfire occuring due to a broken center insulator on the spark plug. Read More »

    • TSB #PIP5657

      Date Announced:
      JUN 11, 2019
      NHTSA ID:
      #10162120

      This Preliminary information communicates the possibility of a misfire occuring due to a broken center insulator on the spark plug. Read More »

    • TSB #PIP5320H

      Date Announced:
      APR 01, 2019
      NHTSA ID:
      #10160401

      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 »

    • TSB #19NA067

      Date Announced:
      MAR 27, 2019
      NHTSA ID:
      #10158854

      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 »

    • TSB #PIP5540D

      Date Announced:
      FEB 19, 2019
      NHTSA ID:
      #10154306

      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 »

    • TSB #PIP5628

      Date Announced:
      FEB 18, 2019
      NHTSA ID:
      #10154299

      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 »

    • TSB #18NA246

      Date Announced:
      FEB 14, 2019
      NHTSA ID:
      #10155584

      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 »

    • TSB #15NA087

      Date Announced:
      FEB 13, 2019
      NHTSA ID:
      #10154631

      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 »

    • TSB #PIP5623

      Date Announced:
      FEB 04, 2019
      NHTSA ID:
      #10154265

      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 »

    • TSB #18NA246

      Date Announced:
      DEC 18, 2018
      NHTSA ID:
      #10154983

      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 »

    • TSB #PIC5650F

      Date Announced:
      DEC 17, 2018
      NHTSA ID:
      #10154604

      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 »

    • TSB #PIP5598A

      Date Announced:
      DEC 11, 2018
      NHTSA ID:
      #10154579

      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 »

    • TSB #PIP5540B

      Date Announced:
      DEC 06, 2018
      NHTSA ID:
      #10154566

      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 »

    • TSB #PI1178F

      Date Announced:
      NOV 08, 2018
      NHTSA ID:
      #10155075

      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 »

    • TSB #PIP5320G

      Date Announced:
      OCT 09, 2018
      NHTSA ID:
      #10147361

      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 »

    • TSB #PIP5402D

      Date Announced:
      JUL 25, 2018
      NHTSA ID:
      #10143779

      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 »

    • TSB #PIP5320F

      Date Announced:
      JUL 23, 2018
      NHTSA ID:
      #10143776

      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 »

    • TSB #PIP5519A

      Date Announced:
      MAY 15, 2018
      NHTSA ID:
      #10141354

      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 »

    • TSB #18NA125

      Date Announced:
      APR 19, 2018
      NHTSA ID:
      #10137589

      This informational bulletin provides information for engine oil life monitor operation calculation. Read More »

    • TSB #PIP5465A

      Date Announced:
      FEB 05, 2018
      NHTSA ID:
      #10129860

      This Preliminary Information communication provides information to the technician about vehicles that have smoke from exhaust system and a coolant loss. Read More »

    • TSB #PIC6303A

      Date Announced:
      JAN 16, 2018
      NHTSA ID:
      #10129069

      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 »

    • TSB #PIP5542

      Date Announced:
      JAN 16, 2018
      NHTSA ID:
      #10129070

      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 »

    • TSB #010601011J

      Date Announced:
      NOV 30, 2017
      NHTSA ID:
      #10139088

      This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »

    • TSB #17NA007

      Date Announced:
      NOV 15, 2017
      NHTSA ID:
      #10139102

      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 »

    • TSB #16NA394

      Date Announced:
      OCT 27, 2017
      NHTSA ID:
      #10134571

      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 »

    • TSB #17NA307

      Date Announced:
      SEP 26, 2017
      NHTSA ID:
      #10159623

      This informational bulletin provides information of a possible misfire that may happen from incorrect camshafts being installed in the reman engines. Read More »

    • TSB #PIP5519

      Date Announced:
      SEP 13, 2017
      NHTSA ID:
      #10157003

      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 »

    • TSB #000601012H

      Date Announced:
      SEP 12, 2017
      NHTSA ID:
      #10159569

      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 »

    • TSB #00-06-01-026J

      Date Announced:
      AUG 31, 2017
      NHTSA ID:
      #10140293

      This informational bulletin provides information on Intake Manifold Inspection/Replacement After Severe Internal Engine Damage. Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #PIE0494A

      Date Announced:
      MAR 20, 2019
      NHTSA ID:
      #10158870

      This engineering information PI ends the need for information from the field on a oil leak from the oil pan. Read More »

    • TSB #PIE0495A

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10158871

      This engineering information PI ends the need for information from the field on a oil leak from the oil pan. Read More »

    • TSB #PIP5417B

      Date Announced:
      DEC 06, 2017
      NHTSA ID:
      #10126952

      This Preliminary Information communication provides information to the technician related to utilizing crankcase pressure testing to aid in engine oil leak diagnostics. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

    • TSB #090604026S

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10187627

      This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

    • TSB #PI0653E

      Date Announced:
      JAN 12, 2018
      NHTSA ID:
      #10139284

      This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center. Read More »

    • TSB #PIP5539

      Date Announced:
      DEC 19, 2017
      NHTSA ID:
      #10126985

      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 »

    ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

    • TSB #010601011L

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10187625

      This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »

    • TSB #20NA047

      Date Announced:
      JUL 23, 2020
      NHTSA ID:
      #10178968

      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

    • TSB #PIP5540G

      Date Announced:
      MAR 22, 2021
      NHTSA ID:
      #10190417

      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)

    • TSB #21NA139

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200140

      This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3055 Set. Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM

    • TSB #PIP5684B

      Date Announced:
      JUL 13, 2020
      NHTSA ID:
      #10178370

      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 »

    • TSB #18NA015

      Date Announced:
      JAN 17, 2018
      NHTSA ID:
      #10139253

      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

    • TSB #19NA104

      Date Announced:
      JUN 10, 2019
      NHTSA ID:
      #10163237

      This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

    • TSB #16NA383

      Date Announced:
      MAY 21, 2019
      NHTSA ID:
      #10161932

      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 »

    • TSB #PIP5598

      Date Announced:
      OCT 09, 2018
      NHTSA ID:
      #10147358

      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 »

    • TSB #PIP5472E

      Date Announced:
      AUG 28, 2018
      NHTSA ID:
      #10144475

      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 »

    • TSB #PIP5472C

      Date Announced:
      DEC 11, 2017
      NHTSA ID:
      #10126959

      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

    • TSB #15NA010

      Date Announced:
      JAN 23, 2020
      NHTSA ID:
      #10171875

      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 »

    • TSB #PIP4925B

      Date Announced:
      DEC 03, 2018
      NHTSA ID:
      #10154552

      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 »

    • TSB #18239

      Date Announced:
      AUG 07, 2018
      NHTSA ID:
      #10145170

      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)

    • TSB #18NA246

      Date Announced:
      MAY 29, 2019
      NHTSA ID:
      #10161941

      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 »

    • TSB #19NA080

      Date Announced:
      APR 16, 2019
      NHTSA ID:
      #10160421

      This informational bulletin provides information to the tech to discard the PCV drain tube when working on the lower area of the engine. Read More »

    • TSB #18NA246

      Date Announced:
      FEB 14, 2019
      NHTSA ID:
      #10156896

      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 »

    • TSB #18NA246

      Date Announced:
      FEB 14, 2019
      NHTSA ID:
      #10158772

      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 »

    • TSB #PIP5598

      Date Announced:
      OCT 09, 2018
      NHTSA ID:
      #10147358

      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

    • TSB #060601010D

      Date Announced:
      JAN 31, 2018
      NHTSA ID:
      #10139279

      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

    • TSB #16NA051

      Date Announced:
      DEC 21, 2017
      NHTSA ID:
      #10139214

      This technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement due to active shutters being inoperative. Read More »

    FUEL SYSTEM, GASOLINE

    • TSB #PIP5163E

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10190437

      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 »

    • TSB #PIP5647B

      Date Announced:
      AUG 20, 2020
      NHTSA ID:
      #10179642

      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 »

    • TSB #PIP5725

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176310

      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 »

    • TSB #PIP5647A

      Date Announced:
      APR 24, 2020
      NHTSA ID:
      #10174857

      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 »

    • TSB #18NA113

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10173383

      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 »

    • TSB #050604022Q

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163261

      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 »

    • TSB #PIP5647

      Date Announced:
      MAY 13, 2019
      NHTSA ID:
      #10161014

      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 »

    • TSB #PIP5569A

      Date Announced:
      APR 24, 2019
      NHTSA ID:
      #10160690

      This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. Read More »

    • TSB #N182199610

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10159557

      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 »

    • TSB #050604022P

      Date Announced:
      MAR 07, 2019
      NHTSA ID:
      #10158858

      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 »

    • TSB #PIP5472F

      Date Announced:
      MAR 04, 2019
      NHTSA ID:
      #10156905

      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 »

    • TSB #18NA246

      Date Announced:
      FEB 14, 2019
      NHTSA ID:
      #10156896

      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 »

    • TSB #PIP5610A

      Date Announced:
      DEC 05, 2018
      NHTSA ID:
      #10154564

      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 »

    • TSB #PIP5596

      Date Announced:
      OCT 03, 2018
      NHTSA ID:
      #10147348

      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 »

    • TSB #050604022O

      Date Announced:
      DEC 21, 2017
      NHTSA ID:
      #10139209

      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 »

    FUEL SYSTEM, GASOLINE:STORAGE:EVAPORATIVE EMISSIONS:CANISTER

    • TSB #21NA124

      Date Announced:
      MAY 25, 2021
      NHTSA ID:
      #10199281

      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 »

    FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

    • TSB #PIP5596

      Date Announced:
      OCT 03, 2018
      NHTSA ID:
      #10147348

      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 »

    • TSB #18NA113

      Date Announced:
      APR 11, 2018
      NHTSA ID:
      #10137549

      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

    • TSB #PIP5596

      Date Announced:
      OCT 03, 2018
      NHTSA ID:
      #10147348

      This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation. Read More »

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

    • TSB #16NA383

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176607

      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 »

    • TSB #16NA383

      Date Announced:
      JAN 02, 2020
      NHTSA ID:
      #10171878

      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 »

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS

    • TSB #20NA098

      Date Announced:
      MAY 05, 2020
      NHTSA ID:
      #10176632

      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 »

    • TSB #16-NA-383

      Date Announced:
      MAY 10, 2017
      NHTSA ID:
      #10137635

      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 »

    FUEL/PROPULSION SYSTEM (PWS)

    • TSB #20NA128

      Date Announced:
      JUL 27, 2020
      NHTSA ID:
      #10178972

      This technical bulletin provides a procedure to replace the fuel filter drain or assembly if found the cause of the customers complaint. Read More »

    • TSB #18NA246

      Date Announced:
      FEB 14, 2019
      NHTSA ID:
      #10158160

      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 »

    FUEL SYSTEM, DIESEL

    • TSB #050604022R

      Date Announced:
      OCT 21, 2020
      NHTSA ID:
      #10183779

      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 »

    • TSB #050604022Q

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163261

      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 »

    • TSB #050604022P

      Date Announced:
      MAR 07, 2019
      NHTSA ID:
      #10158858

      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 »

    • TSB #050604022O

      Date Announced:
      DEC 21, 2017
      NHTSA ID:
      #10139209

      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 »

    FUEL SYSTEM, OTHER

    • TSB #18NA004

      Date Announced:
      MAR 09, 2018
      NHTSA ID:
      #10137434

      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 »

    FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

    • TSB #N182199610

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10159557

      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 »

    FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP

    • TSB #PIP5610

      Date Announced:
      NOV 05, 2018
      NHTSA ID:
      #10151820

      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 »

    POWER TRAIN

    • TSB #PIP5651F

      Date Announced:
      AUG 19, 2021
      NHTSA ID:
      #10201319

      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 »

    • TSB #PIC5650J

      Date Announced:
      JUL 21, 2021
      NHTSA ID:
      #10201252

      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 »

    • TSB #PIP5651E

      Date Announced:
      JUN 24, 2021
      NHTSA ID:
      #10201292

      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 »

    • TSB #080730035E

      Date Announced:
      JUN 07, 2021
      NHTSA ID:
      #10200152

      This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. Read More »

    • TSB #PIP5621B

      Date Announced:
      MAY 27, 2021
      NHTSA ID:
      #10197314

      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 »

    • TSB #19NA206

      Date Announced:
      MAY 19, 2021
      NHTSA ID:
      #10199243

      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 »

    • TSB #19NA206

      Date Announced:
      MAY 19, 2021
      NHTSA ID:
      #10198852

      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 »

    • TSB #16NA338

      Date Announced:
      APR 30, 2021
      NHTSA ID:
      #10194079

      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 »

    • TSB #PIP5803

      Date Announced:
      APR 09, 2021
      NHTSA ID:
      #10193445

      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 »

    • TSB #20NA047

      Date Announced:
      APR 07, 2021
      NHTSA ID:
      #10194085

      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 »

    • TSB #21NA059

      Date Announced:
      MAR 11, 2021
      NHTSA ID:
      #10192029

      This service bulletin advises that the new transmission may require the transfer of the power inverter module. Read More »

    • TSB #20NA138

      Date Announced:
      MAR 11, 2021
      NHTSA ID:
      #10191207

      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 »

    • TSB #19NA206

      Date Announced:
      DEC 11, 2020
      NHTSA ID:
      #10186071

      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 »

    • TSB #19NA206

      Date Announced:
      DEC 11, 2020
      NHTSA ID:
      #10187385

      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 »

    • TSB #16NA019

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186058

      This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »

    • TSB #16NA019

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187372

      This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »

    • TSB #19NA206

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183172

      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 »

    • TSB #16NA019

      Date Announced:
      SEP 02, 2020
      NHTSA ID:
      #10181660

      This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »

    • TSB #16NA338

      Date Announced:
      JUL 28, 2020
      NHTSA ID:
      #10178949

      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 »

    • TSB #PIP5697E

      Date Announced:
      JUL 16, 2020
      NHTSA ID:
      #10178374

      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 »

    • TSB #PIP5697D

      Date Announced:
      JUN 26, 2020
      NHTSA ID:
      #10178351

      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 »

    • TSB #20NA138

      Date Announced:
      JUN 23, 2020
      NHTSA ID:
      #10178288

      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 »

    • TSB #PIP5697C

      Date Announced:
      JUN 16, 2020
      NHTSA ID:
      #10178328

      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 »

    • TSB #PIP5697B

      Date Announced:
      MAR 30, 2020
      NHTSA ID:
      #10173727

      This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park. Read More »

    • TSB #PIP5697A

      Date Announced:
      MAR 27, 2020
      NHTSA ID:
      #10173726

      This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park. Read More »

    • TSB #18NA121

      Date Announced:
      MAR 02, 2020
      NHTSA ID:
      #10174265

      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 »

    • TSB #PIP5697

      Date Announced:
      JAN 08, 2020
      NHTSA ID:
      #10171260

      This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park. Read More »

    • TSB #PIP5621A

      Date Announced:
      NOV 22, 2019
      NHTSA ID:
      #10168978

      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 »

    • TSB #16NA019

      Date Announced:
      NOV 13, 2019
      NHTSA ID:
      #10169298

      Information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »

    • TSB #990420002K

      Date Announced:
      OCT 29, 2019
      NHTSA ID:
      #10168212

      This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations. Read More »

    • TSB #16NA338

      Date Announced:
      OCT 14, 2019
      NHTSA ID:
      #10168175

      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 »

    • TSB #16NA338

      Date Announced:
      JUN 06, 2019
      NHTSA ID:
      #10163215

      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 »

    • TSB #080730035D

      Date Announced:
      MAY 20, 2019
      NHTSA ID:
      #10161968

      This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. Read More »

    • TSB #19NA032

      Date Announced:
      APR 15, 2019
      NHTSA ID:
      #10160124

      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 »

    • TSB #18NA297

      Date Announced:
      APR 12, 2019
      NHTSA ID:
      #10160118

      This technical bulletin provides repair information to correct a customer concern of message displaying shift to park when in park. Read More »

    • TSB #18NA121

      Date Announced:
      MAR 11, 2019
      NHTSA ID:
      #10158814

      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 »

    • TSB #16NA338

      Date Announced:
      FEB 28, 2019
      NHTSA ID:
      #10154638

      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 »

    • TSB #PIP5390H

      Date Announced:
      FEB 26, 2019
      NHTSA ID:
      #10154324

      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 »

    • TSB #18NA035

      Date Announced:
      FEB 25, 2019
      NHTSA ID:
      #10154539

      This informational bulletin explains a normal characteristic of a trans shift when cold temps are present. Read More »

    • TSB #17NA066

      Date Announced:
      DEC 14, 2018
      NHTSA ID:
      #10154975

      This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test. Read More »

    • TSB #PIP5390G

      Date Announced:
      DEC 07, 2018
      NHTSA ID:
      #10154571

      This Preliminary Information communication advises the technician that  the Malibu 5ET50 Hybrid Transmission and Component has a part restriction program. Read More »

    • TSB #PIP5390F

      Date Announced:
      OCT 22, 2018
      NHTSA ID:
      #10147393

      This Preliminary Information communication advises the technician that the Malibu 5ET50 Hybrid Transmission and Component has a part restriction program. Read More »

    • TSB #PIC6244C

      Date Announced:
      OCT 09, 2018
      NHTSA ID:
      #10147359

      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 »

    • TSB #PIP5557C

      Date Announced:
      AUG 27, 2018
      NHTSA ID:
      #10144471

      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 »

    • TSB #PIP5508B

      Date Announced:
      JUN 15, 2018
      NHTSA ID:
      #10143444

      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 »

    • TSB #PIP5557B

      Date Announced:
      MAY 15, 2018
      NHTSA ID:
      #10141356

      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 »

    • TSB #18NA121

      Date Announced:
      APR 18, 2018
      NHTSA ID:
      #10137586

      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 »

    • TSB #PIP5390D

      Date Announced:
      APR 10, 2018
      NHTSA ID:
      #10137496

      This Preliminary Information communication advises the technician that the Malibu 5ET50 Hybrid Transmission and Component has a part restriction program. Read More »

    • TSB #080730035C

      Date Announced:
      APR 09, 2018
      NHTSA ID:
      #10137554

      This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. Read More »

    • TSB #18017 01

      Date Announced:
      FEB 01, 2018
      NHTSA ID:
      #10135159

      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 »

    • TSB #080730026E

      Date Announced:
      DEC 12, 2017
      NHTSA ID:
      #10139179

      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 »

    • TSB #040730013D

      Date Announced:
      NOV 22, 2017
      NHTSA ID:
      #10139089

      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 »

    • TSB #PIC6244A

      Date Announced:
      OCT 17, 2017
      NHTSA ID:
      #10123263

      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 »

    • TSB #PIP5508A

      Date Announced:
      OCT 16, 2017
      NHTSA ID:
      #10123256

      This Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for the T87A Transmission Control Module. Read More »

    • TSB #PIP5390C

      Date Announced:
      OCT 12, 2017
      NHTSA ID:
      #10123242

      This Preliminary Information communication advises the technician that the Malibu 5ET50 Hybrid Transmission and Component has a part restriction program. Read More »

    • TSB #17-NA-066

      Date Announced:
      MAR 09, 2017
      NHTSA ID:
      #10138053

      This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test. Read More »

    POWER TRAIN:MANUAL TRANSMISSION

    • TSB #990420002L

      Date Announced:
      JUN 15, 2021
      NHTSA ID:
      #10200154

      This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation. Read More »

    • TSB #18NA035

      Date Announced:
      FEB 03, 2020
      NHTSA ID:
      #10172782

      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 »

    • TSB #030729004L

      Date Announced:
      APR 02, 2019
      NHTSA ID:
      #10160133

      This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions. Read More »

    • TSB #PIC6297

      Date Announced:
      AUG 03, 2017
      NHTSA ID:
      #10137702

      This Preliminary information communicates that engineering is working on a fix for P3260. Read More »

    POWER TRAIN:MANUAL TRANSMISSION:SHIFT PATTERN INDICATOR

    • TSB #20NA047

      Date Announced:
      MAR 12, 2020
      NHTSA ID:
      #10174072

      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 »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #990420002L

      Date Announced:
      JUN 15, 2021
      NHTSA ID:
      #10200154

      This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation. Read More »

    • TSB #060089031F

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10184501

      This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification. Read More »

    • TSB #1308116001F

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183782

      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 »

    • TSB #19NA206

      Date Announced:
      JAN 30, 2020
      NHTSA ID:
      #10171895

      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 »

    • TSB #080730026F

      Date Announced:
      AUG 12, 2019
      NHTSA ID:
      #10165123

      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 »

    • TSB #PIC6244D

      Date Announced:
      JUL 09, 2019
      NHTSA ID:
      #10163653

      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 »

    • TSB #PIC6244B

      Date Announced:
      OCT 01, 2018
      NHTSA ID:
      #10147340

      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 »

    • TSB #PIP5390E

      Date Announced:
      SEP 18, 2018
      NHTSA ID:
      #10145493

      This Preliminary Information communication advises the technician that the Malibu 5ET50 Hybrid Transmission and Component has a part restriction program. Read More »

    • TSB #18277

      Date Announced:
      SEP 14, 2018
      NHTSA ID:
      #10147330

      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 »

    • TSB #PIC6330

      Date Announced:
      APR 27, 2018
      NHTSA ID:
      #10137519

      This Preliminary information communicates is to commuate teardown finds. As we move away from Transmisison Replacements to internal service. Read More »

    • TSB #060089031E

      Date Announced:
      MAR 28, 2018
      NHTSA ID:
      #10137383

      This informational bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification. Read More »

    • TSB #PIP5557A

      Date Announced:
      MAR 22, 2018
      NHTSA ID:
      #10137196

      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 »

    • TSB #16NA338

      Date Announced:
      FEB 27, 2018
      NHTSA ID:
      #10137283

      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 »

    • TSB #18NA035

      Date Announced:
      FEB 12, 2018
      NHTSA ID:
      #10137320

      This informational bulletin explains a normal characteristic of a trans shift when cold temps are present. Read More »

    • TSB #PIP5551

      Date Announced:
      JAN 31, 2018
      NHTSA ID:
      #10129105

      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 »

    • TSB #PIE0441A

      Date Announced:
      DEC 19, 2017
      NHTSA ID:
      #10139193

      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 »

    • TSB #PIE0441

      Date Announced:
      DEC 05, 2017
      NHTSA ID:
      #10139192

      This engineering informational bulletin is requesting information from the filed on vehicles that have the condition of Shift to Park Message Displayed. Read More »

    • TSB #PIC6297

      Date Announced:
      AUG 03, 2017
      NHTSA ID:
      #10137702

      This Preliminary information communicates that engineering is working on a fix for P3260. Read More »

    • TSB #17-NA-066

      Date Announced:
      MAY 10, 2017
      NHTSA ID:
      #10137640

      This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)

    • TSB #17NA190

      Date Announced:
      MAR 21, 2018
      NHTSA ID:
      #10137405

      This informational bulletin provides information for technicians during diagnosis for DTC U0420. Read More »

    • TSB #PIC6303

      Date Announced:
      AUG 29, 2017
      NHTSA ID:
      #10137748

      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

    • TSB #150089004C

      Date Announced:
      JAN 29, 2021
      NHTSA ID:
      #10188403

      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)

    • TSB #19NA206

      Date Announced:
      SEP 19, 2019
      NHTSA ID:
      #10166630

      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 »

    • TSB #18NA297

      Date Announced:
      SEP 13, 2019
      NHTSA ID:
      #10166649

      This technical bulletin provides repair information to correct a customer concern of message displaying shift to park when in park. Read More »

    • TSB #18NA297

      Date Announced:
      DEC 13, 2018
      NHTSA ID:
      #10154985

      This technical bulletin provides repair information to correct a customer concern of message displaying shift to park when in park. Read More »

    POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

    • TSB #060089026N

      Date Announced:
      JAN 08, 2018
      NHTSA ID:
      #10139278

      This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated. Read More »

    ELECTRICAL SYSTEM

    • TSB #PIC6265F

      Date Announced:
      AUG 05, 2021
      NHTSA ID:
      #10201305

      This Preliminary information communicates that a vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. Read More »

    • TSB #PIC5650J

      Date Announced:
      JUL 21, 2021
      NHTSA ID:
      #10201176

      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 »

    • TSB #21NA139

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200140

      This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3055 Set. Read More »

    • TSB #21NA124

      Date Announced:
      MAY 25, 2021
      NHTSA ID:
      #10198890

      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 »

    • TSB #19NA206

      Date Announced:
      MAY 19, 2021
      NHTSA ID:
      #10199243

      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 »

    • TSB #19NA044

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10199238

      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 »

    • TSB #PIP5598D

      Date Announced:
      APR 23, 2021
      NHTSA ID:
      #10193471

      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 »

    • TSB #PIT5745B

      Date Announced:
      MAR 25, 2021
      NHTSA ID:
      #10190426

      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 »

    • TSB #20NA132

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10191206

      This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. Read More »

    • TSB #1308116001F

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183782

      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 »

    • TSB #20NA157

      Date Announced:
      SEP 17, 2020
      NHTSA ID:
      #10181695

      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 »

    • TSB #17NA305

      Date Announced:
      SEP 04, 2020
      NHTSA ID:
      #10181667

      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 »

    • TSB #PIP5647B

      Date Announced:
      AUG 20, 2020
      NHTSA ID:
      #10179642

      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 »

    • TSB #20NA157

      Date Announced:
      AUG 12, 2020
      NHTSA ID:
      #10180315

      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 »

    • TSB #PIP5632C

      Date Announced:
      AUG 03, 2020
      NHTSA ID:
      #10179620

      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 »

    • TSB #PIC5650H

      Date Announced:
      JUL 24, 2020
      NHTSA ID:
      #10178384

      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 »

    • TSB #PIT5698A

      Date Announced:
      JUL 23, 2020
      NHTSA ID:
      #10178380

      This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus. Read More »

    • TSB #PIC6265E

      Date Announced:
      JUL 02, 2020
      NHTSA ID:
      #10178362

      This Preliminary information communicates that a vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. Read More »

    • TSB #20NA132

      Date Announced:
      JUN 25, 2020
      NHTSA ID:
      #10178282

      This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. Read More »

    • TSB #PIT5745

      Date Announced:
      JUN 02, 2020
      NHTSA ID:
      #10178303

      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 »

    • TSB #070849020Q

      Date Announced:
      MAY 20, 2020
      NHTSA ID:
      #10176649

      This informational bulletin provides information for the IPC odometer programming method quick reference guide. Read More »

    • TSB #18NA180

      Date Announced:
      APR 28, 2020
      NHTSA ID:
      #10175746

      This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information. Read More »

    • TSB #PIT5195F

      Date Announced:
      APR 27, 2020
      NHTSA ID:
      #10174859

      This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Read More »

    • TSB #PIP5647A

      Date Announced:
      APR 24, 2020
      NHTSA ID:
      #10174857

      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 »

    • TSB #20NA047

      Date Announced:
      APR 17, 2020
      NHTSA ID:
      #10175757

      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 »

    • TSB #PIP5697B

      Date Announced:
      MAR 30, 2020
      NHTSA ID:
      #10173727

      This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park. Read More »

    • TSB #18NA121

      Date Announced:
      MAR 02, 2020
      NHTSA ID:
      #10174265

      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 »

    • TSB #PIP5704A

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10172341

      This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly. Read More »

    • TSB #PIP4723D

      Date Announced:
      JAN 31, 2020
      NHTSA ID:
      #10171318

      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 »

    • TSB #18NA147

      Date Announced:
      NOV 22, 2019
      NHTSA ID:
      #10169310

      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 »

    • TSB #PIT5074M

      Date Announced:
      NOV 05, 2019
      NHTSA ID:
      #10168956

      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 »

    • TSB #PIP5601A

      Date Announced:
      OCT 10, 2019
      NHTSA ID:
      #10167434

      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 »

    • TSB #PIP5657B

      Date Announced:
      SEP 26, 2019
      NHTSA ID:
      #10165910

      This Preliminary information communicates the possibility of a misfire occuring due to a broken center insulator on the spark plug. Read More »

    • TSB #PIP4670H

      Date Announced:
      SEP 25, 2019
      NHTSA ID:
      #10165904

      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 »

    • TSB #PIP5632B

      Date Announced:
      SEP 06, 2019
      NHTSA ID:
      #10165877

      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 »

    • TSB #19NA032

      Date Announced:
      AUG 28, 2019
      NHTSA ID:
      #10165095

      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 »

    • TSB #PI0592E

      Date Announced:
      AUG 23, 2019
      NHTSA ID:
      #10165127

      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 »

    • TSB #18NA266

      Date Announced:
      AUG 23, 2019
      NHTSA ID:
      #10165092

      This technical bulletin provides repair information to correct a customer concern of an intermittent blank or flickering driver information center (DIC). Read More »

    • TSB #N182188250

      Date Announced:
      AUG 15, 2019
      NHTSA ID:
      #10165443

      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 »

    • TSB #N192218430

      Date Announced:
      AUG 13, 2019
      NHTSA ID:
      #10165441

      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 »

    • TSB #PIE0508B

      Date Announced:
      JUL 12, 2019
      NHTSA ID:
      #10163903

      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 »

    • TSB #100845001G

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163268

      This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish. Read More »

    • TSB #N182198330

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10164108

      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 »

    • TSB #PIP4670G

      Date Announced:
      JUN 13, 2019
      NHTSA ID:
      #10162124

      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 »

    • TSB #060847001O

      Date Announced:
      JUN 11, 2019
      NHTSA ID:
      #10163263

      This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module. Read More »

    • TSB #PIT5074L

      Date Announced:
      JUN 03, 2019
      NHTSA ID:
      #10162106

      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 »

    • TSB #18NA266

      Date Announced:
      MAY 23, 2019
      NHTSA ID:
      #10161878

      This technical bulletin provides repair information to correct a customer concern of an intermittent blank or flickering driver information center (DIC). Read More »

    • TSB #PIE0508A

      Date Announced:
      MAY 16, 2019
      NHTSA ID:
      #10161972

      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 »

    • TSB #PIC6169E

      Date Announced:
      APR 18, 2019
      NHTSA ID:
      #10160680

      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 »

    • TSB #PIT4610F

      Date Announced:
      APR 15, 2019
      NHTSA ID:
      #10160666

      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 »

    • TSB #PIT5195E

      Date Announced:
      APR 12, 2019
      NHTSA ID:
      #10160662

      This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Read More »

    • TSB #100845001F

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10158863

      This bulletin provides information for electrical ground repairs using new replacement fasteners with "conductive finish". Read More »

    • TSB #16NA051

      Date Announced:
      MAR 14, 2019
      NHTSA ID:
      #10158780

      This technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement due to active shutters being inoperative. Read More »

    • TSB #090089002Q

      Date Announced:
      MAR 14, 2019
      NHTSA ID:
      #10158862

      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 »

    • TSB #18NA266

      Date Announced:
      MAR 13, 2019
      NHTSA ID:
      #10158822

      This technical bulletin provides repair information to correct a customer concern of an intermittent blank or flickering driver information center (DIC). Read More »

    • TSB #18NA016

      Date Announced:
      MAR 06, 2019
      NHTSA ID:
      #10158809

      This Bulletin provides T6 Power Inverter Module reprogramming information to correct DTC P3260. Read More »

    • TSB #PIE0488A

      Date Announced:
      FEB 15, 2019
      NHTSA ID:
      #10154652

      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 »

    • TSB #18NA246

      Date Announced:
      FEB 14, 2019
      NHTSA ID:
      #10158160

      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 »

    • TSB #PIE0508

      Date Announced:
      FEB 13, 2019
      NHTSA ID:
      #10155093

      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 »

    • TSB #PIE0463A

      Date Announced:
      DEC 21, 2018
      NHTSA ID:
      #10155016

      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 »

    • TSB #18NA153

      Date Announced:
      DEC 11, 2018
      NHTSA ID:
      #10154981

      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 »

    • TSB #060847001N

      Date Announced:
      DEC 05, 2018
      NHTSA ID:
      #10155011

      This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module. Read More »

    • TSB #PIC6169D

      Date Announced:
      NOV 15, 2018
      NHTSA ID:
      #10151852

      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 »

    • TSB #18NA255

      Date Announced:
      NOV 05, 2018
      NHTSA ID:
      #10155103

      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 »

    • TSB #PIP5320G

      Date Announced:
      OCT 09, 2018
      NHTSA ID:
      #10147361

      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 »

    • TSB #PIC6333B

      Date Announced:
      SEP 11, 2018
      NHTSA ID:
      #10145472

      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 »

    • TSB #PIC6194F

      Date Announced:
      SEP 11, 2018
      NHTSA ID:
      #10145474

      This Preliminary Information communication advises the technician the High Voltage Drive Motor Battery restriction has offically ended Read More »

    • TSB #PIP5373B

      Date Announced:
      JUN 11, 2018
      NHTSA ID:
      #10143429

      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 »

    • TSB #PIT5399A

      Date Announced:
      MAY 23, 2018
      NHTSA ID:
      #10141371

      This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Read More »

    • TSB #PIC6333

      Date Announced:
      MAY 15, 2018
      NHTSA ID:
      #10141355

      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 »

    • TSB #18NA138

      Date Announced:
      APR 26, 2018
      NHTSA ID:
      #10137598

      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 »

    • TSB #17NA147

      Date Announced:
      APR 23, 2018
      NHTSA ID:
      #10137482

      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 »

    • TSB #1208132001E

      Date Announced:
      APR 20, 2018
      NHTSA ID:
      #10137556

      This informational bulletin explains to the dealer how to cover a possible customers mistake when a fuse has been blown. Read More »

    • TSB #18NA039

      Date Announced:
      APR 19, 2018
      NHTSA ID:
      #10137577

      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 »

    • TSB #18NA121

      Date Announced:
      APR 18, 2018
      NHTSA ID:
      #10137586

      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 »

    • TSB #17NA215

      Date Announced:
      FEB 28, 2018
      NHTSA ID:
      #10137375

      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 »

    • TSB #PIC6315B

      Date Announced:
      FEB 12, 2018
      NHTSA ID:
      #10129885

      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 »

    • TSB #18017 01

      Date Announced:
      FEB 01, 2018
      NHTSA ID:
      #10135159

      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 »

    • TSB #18017

      Date Announced:
      JAN 29, 2018
      NHTSA ID:
      #10137163

      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 »

    • TSB #18009

      Date Announced:
      JAN 23, 2018
      NHTSA ID:
      #10137161

      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 »

    • TSB #18NA016

      Date Announced:
      JAN 18, 2018
      NHTSA ID:
      #10139254

      This Bulletin provides ECM reprogramming information to Correct DTC P3260 and P0AC4. Read More »

    • TSB #060089026N

      Date Announced:
      JAN 08, 2018
      NHTSA ID:
      #10139278

      This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated. Read More »

    • TSB #17NA074

      Date Announced:
      DEC 22, 2017
      NHTSA ID:
      #10139225

      This informational bulletin provides information and Tips for Customers Having Difficulty Launching Android Auto or Apple CarPlay. Read More »

    • TSB #16NA051

      Date Announced:
      DEC 21, 2017
      NHTSA ID:
      #10139214

      This technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement due to active shutters being inoperative. Read More »

    • TSB #PIC5650D

      Date Announced:
      DEC 19, 2017
      NHTSA ID:
      #10126982

      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 »

    • TSB #PIC5491K

      Date Announced:
      DEC 18, 2017
      NHTSA ID:
      #10126972

      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 »

    • TSB #150603001C

      Date Announced:
      DEC 07, 2017
      NHTSA ID:
      #10139185

      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 »

    • TSB #150603002I

      Date Announced:
      DEC 01, 2017
      NHTSA ID:
      #10139186

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #17NA142

      Date Announced:
      NOV 27, 2017
      NHTSA ID:
      #10139085

      This informational bulletin provides information on Wireless Charging Module Diagnosis and cell phone compatibility. Read More »

    • TSB #PIT5599

      Date Announced:
      NOV 20, 2017
      NHTSA ID:
      #10125125

      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 »

    • TSB #PIC6315A

      Date Announced:
      NOV 20, 2017
      NHTSA ID:
      #10125127

      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 »

    • TSB #070604019F

      Date Announced:
      NOV 17, 2017
      NHTSA ID:
      #10139090

      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 »

    • TSB #PIC6315

      Date Announced:
      NOV 14, 2017
      NHTSA ID:
      #10125115

      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 »

    • TSB #PIC6244A

      Date Announced:
      OCT 17, 2017
      NHTSA ID:
      #10123263

      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 »

    • TSB #PIP5505B

      Date Announced:
      OCT 13, 2017
      NHTSA ID:
      #10123248

      This Preliminary information communicates that the E88 ECM controllers part number 12680194 and 12691559 has ended. Read More »

    • TSB #PIT5353B

      Date Announced:
      OCT 03, 2017
      NHTSA ID:
      #10123222

      This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. Read More »

    • TSB #PIT5074K

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157020

      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 »

    • TSB #17NA290

      Date Announced:
      SEP 12, 2017
      NHTSA ID:
      #10159606

      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 »

    • TSB #03-08-46-004T

      Date Announced:
      AUG 22, 2017
      NHTSA ID:
      #10140295

      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 »

    • TSB #17-NA-211

      Date Announced:
      AUG 15, 2017
      NHTSA ID:
      #10140373

      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 »

    • TSB #PIC6296

      Date Announced:
      AUG 02, 2017
      NHTSA ID:
      #10137697

      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 »

    • TSB #PIP5505

      Date Announced:
      JUL 10, 2017
      NHTSA ID:
      #10114068

      This Preliminary information communicates that the E88 ECM controllers part number 12680194 are currently under part restriction. Read More »

    • TSB #15-NA-087

      Date Announced:
      MAY 23, 2017
      NHTSA ID:
      #10137607

      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 »

    • TSB #17-NA-067

      Date Announced:
      MAR 10, 2017
      NHTSA ID:
      #10138054

      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 »

    ELECTRICAL SYSTEM:12V/24V/48V BATTERY

    • TSB #030603004Y

      Date Announced:
      APR 01, 2019
      NHTSA ID:
      #10160132

      This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. Read More »

    • TSB #18NA180

      Date Announced:
      MAR 20, 2019
      NHTSA ID:
      #10158816

      This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information. Read More »

    • TSB #PIE0488A

      Date Announced:
      FEB 15, 2019
      NHTSA ID:
      #10154652

      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 »

    • TSB #PIE0463

      Date Announced:
      APR 30, 2018
      NHTSA ID:
      #10137614

      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 »

    • TSB #030603004W

      Date Announced:
      FEB 01, 2018
      NHTSA ID:
      #10137341

      This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. Read More »

    • TSB #150603002K

      Date Announced:
      JAN 31, 2018
      NHTSA ID:
      #10139283

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #18017

      Date Announced:
      JAN 29, 2018
      NHTSA ID:
      #10137163

      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 »

    • TSB #150603001D

      Date Announced:
      JAN 29, 2018
      NHTSA ID:
      #10139282

      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 »

    • TSB #150603002J

      Date Announced:
      DEC 05, 2017
      NHTSA ID:
      #10139187

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #PIC6194D

      Date Announced:
      OCT 24, 2017
      NHTSA ID:
      #10123281

      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 »

    • TSB #150603002H

      Date Announced:
      OCT 03, 2017
      NHTSA ID:
      #10134595

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #150603002H

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190339

      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 »

    • TSB #030603004V

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10159570

      This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. Read More »

    • TSB #150603002G

      Date Announced:
      SEP 07, 2017
      NHTSA ID:
      #10159578

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #17-NA-227

      Date Announced:
      AUG 11, 2017
      NHTSA ID:
      #10140377

      This informational Bulletin provides some Diagnostic Tips for preventing unnecessary HV Battery Pack replacement. Read More »

    • TSB #16-NA-371

      Date Announced:
      AUG 03, 2017
      NHTSA ID:
      #10140302

      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 »

    • TSB #17-NA-227

      Date Announced:
      JUL 14, 2017
      NHTSA ID:
      #10126097

      This informational Bulletin provides some Diagnostic Tips for preventing unnecessary HV Battery Pack replacement. Read More »

    ELECTRICAL SYSTEM:STARTER ASSEMBLY

    • TSB #PIP5530

      Date Announced:
      OCT 26, 2017
      NHTSA ID:
      #10123282

      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 »

    ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID

    • TSB #PIP5551A

      Date Announced:
      FEB 08, 2018
      NHTSA ID:
      #10129869

      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 »

    ELECTRICAL SYSTEM:WIRING

    • TSB #16NA051

      Date Announced:
      JAN 22, 2020
      NHTSA ID:
      #10171876

      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 »

    • TSB #100089005H

      Date Announced:
      JAN 18, 2019
      NHTSA ID:
      #10154629

      This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs. Read More »

    • TSB #100089005G

      Date Announced:
      SEP 14, 2017
      NHTSA ID:
      #10159575

      This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs. Read More »

    ELECTRICAL SYSTEM:IGNITION:COIL:HIGH TENSION/SPARK PLUG WIRES

    • TSB #PIP5657D

      Date Announced:
      JUL 28, 2021
      NHTSA ID:
      #10201263

      This Preliminary information communicates the possibility of a misfire occuring due to a broken center insulator on the spark plug. Read More »

    ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

    • TSB #060089029T

      Date Announced:
      MAY 27, 2020
      NHTSA ID:
      #10176647

      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 »

    • TSB #060089029S

      Date Announced:
      MAY 06, 2020
      NHTSA ID:
      #10176646

      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 »

    • TSB #19NA186

      Date Announced:
      SEP 05, 2019
      NHTSA ID:
      #10166621

      This technical bulletin provides repair information to correct a customer concern of Speedometer and Tachometer Reading Inaccurately. Read More »

    • TSB #PIT5195E

      Date Announced:
      APR 12, 2019
      NHTSA ID:
      #10160662

      This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Read More »

    • TSB #PIC6333A

      Date Announced:
      JUN 01, 2018
      NHTSA ID:
      #10143422

      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 »

    • TSB #PIT5195D

      Date Announced:
      MAR 27, 2018
      NHTSA ID:
      #10137202

      This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Read More »

    • TSB #PIC3100F

      Date Announced:
      NOV 07, 2017
      NHTSA ID:
      #10125106

      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 »

    • TSB #17-NA-337

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190318

      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

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #20NA224

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10186092

      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 »

    • TSB #16NA019

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186058

      This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. Read More »

    • TSB #18NA246

      Date Announced:
      MAY 29, 2019
      NHTSA ID:
      #10161941

      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 »

    • TSB #070849020P

      Date Announced:
      MAR 22, 2019
      NHTSA ID:
      #10158861

      This informational bulletin provides information for the IPC odometer programming method quick reference guide. Read More »

    • TSB #PIT5444D

      Date Announced:
      FEB 08, 2019
      NHTSA ID:
      #10154290

      This Preliminary Information communication provides information to the technician about the text messaging feature on some newer General Motors infotainment systems. Read More »

    • TSB #PIC6333A

      Date Announced:
      JUN 01, 2018
      NHTSA ID:
      #10143422

      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 »

    • TSB #18NA074

      Date Announced:
      MAR 12, 2018
      NHTSA ID:
      #10137302

      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 »

    • TSB #18NA004

      Date Announced:
      MAR 09, 2018
      NHTSA ID:
      #10137434

      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 »

    • TSB #090604026N

      Date Announced:
      FEB 15, 2018
      NHTSA ID:
      #10137344

      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 »

    • TSB #PIT5599

      Date Announced:
      NOV 20, 2017
      NHTSA ID:
      #10125125

      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 »

    • TSB #17NA290

      Date Announced:
      NOV 17, 2017
      NHTSA ID:
      #10139107

      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 »

    • TSB #PIC6265C

      Date Announced:
      OCT 18, 2017
      NHTSA ID:
      #10123265

      This Preliminary information communicates thata vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. Read More »

    • TSB #PIP5508A

      Date Announced:
      OCT 16, 2017
      NHTSA ID:
      #10123256

      This Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for the T87A Transmission Control Module. Read More »

    • TSB #PIC5492F

      Date Announced:
      OCT 05, 2017
      NHTSA ID:
      #10123227

      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 »

    • TSB #PIC6265B

      Date Announced:
      OCT 02, 2017
      NHTSA ID:
      #10123217

      This Preliminary information communicates thata vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. Read More »

    • TSB #PIT5236K

      Date Announced:
      SEP 28, 2017
      NHTSA ID:
      #10157041

      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 »

    • TSB #17-NA-244

      Date Announced:
      JUL 25, 2017
      NHTSA ID:
      #10126113

      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 »

    • TSB #17-NA-242

      Date Announced:
      JUL 24, 2017
      NHTSA ID:
      #10126111

      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 »

    ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS

    • TSB #PIT5698B

      Date Announced:
      JUL 21, 2021
      NHTSA ID:
      #10201251

      This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus. Read More »

    ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY

    • TSB #18NA186

      Date Announced:
      SEP 17, 2019
      NHTSA ID:
      #10166648

      This Bulletin provides information to diagnose a Loss of Propulsion or No Start with the MIL ON and DTC P0A3F or P1B03 set. Read More »

    • TSB #19NA211

      Date Announced:
      SEP 13, 2019
      NHTSA ID:
      #10166634

      This Bulletin provides information to diagnose a Loss of Propulsion or No Start with the MIL ON and DTC P0A45 or P1B04 set. Read More »

    • TSB #18NA016

      Date Announced:
      JAN 18, 2018
      NHTSA ID:
      #10139254

      This Bulletin provides ECM reprogramming information to Correct DTC P3260 and P0AC4. Read More »

    • TSB #PIC6194E

      Date Announced:
      DEC 05, 2017
      NHTSA ID:
      #10126925

      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 »

    EXTERIOR LIGHTING

    • TSB #010842001N

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200151

      This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »

    • TSB #PIP5247A

      Date Announced:
      APR 09, 2021
      NHTSA ID:
      #10193443

      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 »

    • TSB #010842001L

      Date Announced:
      DEC 13, 2018
      NHTSA ID:
      #10155009

      This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. Read More »

    LIGHTING (PWS)

    • TSB #010842001M

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169354

      This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. Read More »

    EXTERIOR LIGHTING:TAIL LIGHTS

    • TSB #19NA086

      Date Announced:
      APR 17, 2019
      NHTSA ID:
      #10160426

      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 »

    VISIBILITY

    • TSB #PIT4261G

      Date Announced:
      JUN 16, 2021
      NHTSA ID:
      #10199285

      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 »

    • TSB #16NA075

      Date Announced:
      DEC 15, 2017
      NHTSA ID:
      #10139216

      This Bulletin provides procedures to correct a condition of Power Foldaway Mirror Glass Shake, Flutter at Normal Driving Speeds Read More »

    VISIBILITY:WINDSHIELD

    • TSB #060089026N

      Date Announced:
      JAN 08, 2018
      NHTSA ID:
      #10139278

      This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated. Read More »

    VISIBILITY:GLASS, SIDE/REAR

    • TSB #21NA152

      Date Announced:
      JUN 28, 2021
      NHTSA ID:
      #10200149

      This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage. Read More »

    • TSB #PI0754D

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184504

      This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. Read More »

    • TSB #PI0754C

      Date Announced:
      APR 13, 2018
      NHTSA ID:
      #10137562

      This PI bulletin provides information on Rear and Side Tempered Glass Spots (Quench Marks) and they are normal characteristic. Read More »

    VISIBILITY:GLASS, SIDE/REAR:CRITICAL FASTENERS

    • TSB #PI0754D

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184504

      This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. Read More »

    VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

    • TSB #16NA075

      Date Announced:
      DEC 15, 2017
      NHTSA ID:
      #10139216

      This Bulletin provides procedures to correct a condition of Power Foldaway Mirror Glass Shake, Flutter at Normal Driving Speeds Read More »

    VISIBILITY:SUN/MOON ROOF ASSEMBLY

    • TSB #PIC5260D

      Date Announced:
      MAR 26, 2021
      NHTSA ID:
      #10190431

      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 »

    • TSB #PIC5260C

      Date Announced:
      APR 23, 2019
      NHTSA ID:
      #10160682

      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 »

    • TSB #PIC5260B

      Date Announced:
      JUL 03, 2018
      NHTSA ID:
      #10143752

      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 »

    • TSB #060089026N

      Date Announced:
      JAN 08, 2018
      NHTSA ID:
      #10139278

      This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated. Read More »

    VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR

    • TSB #100864002D

      Date Announced:
      JAN 17, 2018
      NHTSA ID:
      #10139280

      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 »

    • TSB #16NA075

      Date Announced:
      DEC 15, 2017
      NHTSA ID:
      #10139216

      This Bulletin provides procedures to correct a condition of Power Foldaway Mirror Glass Shake, Flutter at Normal Driving Speeds Read More »

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

    • TSB #PIT5099E

      Date Announced:
      JUL 27, 2020
      NHTSA ID:
      #10178385

      This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Read More »

    AIR BAGS

    • TSB #PIC5650J

      Date Announced:
      JUL 21, 2021
      NHTSA ID:
      #10201252

      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 »

    • TSB #PIC6424

      Date Announced:
      DEC 03, 2020
      NHTSA ID:
      #10187162

      This Preliminary information communicates a condition where there is only newer hardware available when replacing the Active Safety Control Module. Read More »

    • TSB #PIC6424

      Date Announced:
      DEC 03, 2020
      NHTSA ID:
      #10185711

      This Preliminary information communicates a condition where there is only newer hardware available when replacing the Active Safety Control Module. Read More »

    STRUCTURE

    • TSB #PIP5651F

      Date Announced:
      AUG 19, 2021
      NHTSA ID:
      #10201319

      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 »

    • TSB #PIP5651E

      Date Announced:
      JUN 24, 2021
      NHTSA ID:
      #10201292

      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 »

    • TSB #PIP5358A

      Date Announced:
      MAY 12, 2021
      NHTSA ID:
      #10197294

      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 »

    • TSB #21NA026

      Date Announced:
      JAN 29, 2021
      NHTSA ID:
      #10188401

      This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. Read More »

    • TSB #990851001E

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184503

      Thins informational bulletin provides information on Paint-less Dent Repair Process. Read More »

    • TSB #20NA126

      Date Announced:
      JUL 28, 2020
      NHTSA ID:
      #10178971

      This technical bulletin provides repair information to correct a customer concern of finding a water leak in the rear compartment. Read More »

    • TSB #150089002B

      Date Announced:
      JUL 10, 2020
      NHTSA ID:
      #10179408

      This bulletin provides information to dealers regarding transportation damage repair claim submission requirements. Read More »

    • TSB #PIP5704D

      Date Announced:
      JUN 22, 2020
      NHTSA ID:
      #10178338

      This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly. Read More »

    • TSB #PIP5704A

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10172341

      This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly. Read More »

    • TSB #PIP5704

      Date Announced:
      JAN 23, 2020
      NHTSA ID:
      #10171302

      This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly. Read More »

    • TSB #18NA015

      Date Announced:
      NOV 06, 2019
      NHTSA ID:
      #10169306

      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 »

    • TSB #PIC5779K

      Date Announced:
      JUL 19, 2019
      NHTSA ID:
      #10163667

      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 »

    • TSB #18NA136

      Date Announced:
      APR 26, 2019
      NHTSA ID:
      #10160117

      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 »

    • TSB #PIE0463A

      Date Announced:
      DEC 21, 2018
      NHTSA ID:
      #10155016

      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 »

    • TSB #PIC5822F

      Date Announced:
      NOV 26, 2018
      NHTSA ID:
      #10151876

      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 »

    • TSB #PIC5822E

      Date Announced:
      MAR 06, 2018
      NHTSA ID:
      #10137173

      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 »

    • TSB #PIP5551

      Date Announced:
      JAN 31, 2018
      NHTSA ID:
      #10129105

      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 »

    • TSB #99-08-51-001D

      Date Announced:
      AUG 23, 2017
      NHTSA ID:
      #10140406

      Thins informational bulletin provides information on Paint-less Dent Repair Process. Read More »

    STRUCTURE:FRAME AND MEMBERS

    • TSB #18NA163

      Date Announced:
      JUL 23, 2020
      NHTSA ID:
      #10178952

      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 »

    STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS

    • TSB #PI0281G

      Date Announced:
      APR 06, 2018
      NHTSA ID:
      #10137560

      This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »

    STRUCTURE:BODY

    • TSB #18NA306

      Date Announced:
      SEP 29, 2020
      NHTSA ID:
      #10181675

      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 »

    • TSB #PI0281H

      Date Announced:
      APR 14, 2020
      NHTSA ID:
      #10175855

      This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »

    • TSB #19NA104

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173393

      This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »

    STRUCTURE:BODY:DOOR

    • TSB #060089026N

      Date Announced:
      JAN 08, 2018
      NHTSA ID:
      #10139278

      This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated. Read More »

    VEHICLE SPEED CONTROL

    • TSB #PIT5569A

      Date Announced:
      JUL 16, 2019
      NHTSA ID:
      #10163665

      This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC.  Read More »

    • TSB #PIP5557

      Date Announced:
      FEB 20, 2018
      NHTSA ID:
      #10129894

      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 »

    VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

    • TSB #N182188250 02

      Date Announced:
      JUN 19, 2020
      NHTSA ID:
      #10177369

      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 »

    • TSB #N182188250

      Date Announced:
      AUG 15, 2019
      NHTSA ID:
      #10165443

      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 »

    • TSB #PIP5366B

      Date Announced:
      DEC 04, 2017
      NHTSA ID:
      #10126922

      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 »

    VEHICLE SPEED CONTROL:CRUISE CONTROL

    • TSB #PIC6265D

      Date Announced:
      NOV 15, 2018
      NHTSA ID:
      #10151851

      This Preliminary information communicates that a vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. Read More »

    TIRES

    • TSB #20NA159

      Date Announced:
      MAY 06, 2021
      NHTSA ID:
      #10198858

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #20NA159

      Date Announced:
      DEC 04, 2020
      NHTSA ID:
      #10186080

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #20NA159

      Date Announced:
      DEC 04, 2020
      NHTSA ID:
      #10187394

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #PIT3271K

      Date Announced:
      NOV 11, 2020
      NHTSA ID:
      #10184105

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #20NA159

      Date Announced:
      AUG 14, 2020
      NHTSA ID:
      #10180317

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #000310003Z

      Date Announced:
      APR 29, 2020
      NHTSA ID:
      #10175850

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #050310020G

      Date Announced:
      MAR 04, 2020
      NHTSA ID:
      #10174300

      This informational bulletin provides information for dealers/technicians on Use of Nitrogen Gas in Tires. Read More »

    • TSB #000310003Y

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10173414

      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 »

    • TSB #080310006G

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169356

      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 »

    • TSB #000310006N

      Date Announced:
      MAY 09, 2019
      NHTSA ID:
      #10161906

      This informational bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV). Read More »

    • TSB #010310003R

      Date Announced:
      FEB 15, 2019
      NHTSA ID:
      #10155068

      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 »

    • TSB #000310003X

      Date Announced:
      DEC 05, 2018
      NHTSA ID:
      #10155008

      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 »

    • TSB #010310003Q

      Date Announced:
      MAR 26, 2018
      NHTSA ID:
      #10137381

      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 »

    • TSB #010310003P

      Date Announced:
      JAN 04, 2018
      NHTSA ID:
      #10139276

      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 »

    • TSB #000310003W

      Date Announced:
      DEC 14, 2017
      NHTSA ID:
      #10139167

      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 »

    TIRES:SIDEWALL

    • TSB #PIT4261G

      Date Announced:
      JUN 16, 2021
      NHTSA ID:
      #10201285

      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 »

    WHEELS

    • TSB #PIP5640A

      Date Announced:
      APR 12, 2021
      NHTSA ID:
      #10193450

      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 »

    • TSB #000310002L

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184499

      This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    • TSB #PIT3271K

      Date Announced:
      NOV 11, 2020
      NHTSA ID:
      #10184105

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #050307009J

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173417

      This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles. Read More »

    • TSB #050307009I

      Date Announced:
      JAN 27, 2020
      NHTSA ID:
      #10172293

      This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment. Read More »

    • TSB #19NA185

      Date Announced:
      DEC 02, 2019
      NHTSA ID:
      #10170708

      This Technical bulletin provides a procedure for dealers/technicians to correct a condition of Steering Wheel Shimmy/Shaking. Read More »

    • TSB #PIE0539B

      Date Announced:
      NOV 25, 2019
      NHTSA ID:
      #10169362

      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 »

    • TSB #080310006G

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169356

      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 »

    • TSB #PIT3271J

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10168960

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #PIT5569A

      Date Announced:
      JUL 16, 2019
      NHTSA ID:
      #10163665

      This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC.  Read More »

    • TSB #17NA170

      Date Announced:
      JAN 23, 2019
      NHTSA ID:
      #10155051

      This informational bulletin explains the wheel Road Force balancers and what they can do for customer concerns. Read More »

    • TSB #18NA067

      Date Announced:
      MAR 01, 2018
      NHTSA ID:
      #10137297

      This informational bulletin provides information for cleaning brake dust off of aluminum or chrome wheels. Read More »

    • TSB #PIT3271H

      Date Announced:
      JAN 23, 2018
      NHTSA ID:
      #10129089

      This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. Read More »

    • TSB #17-NA-230

      Date Announced:
      JUL 17, 2017
      NHTSA ID:
      #10126100

      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 »

    • TSB #00-03-10-002K

      Date Announced:
      MAY 22, 2017
      NHTSA ID:
      #10137600

      This informational bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    SEATS

    • TSB #PIT5745

      Date Announced:
      JUN 02, 2020
      NHTSA ID:
      #10178303

      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 »

    • TSB #17NA152

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10172775

      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 »

    • TSB #PIE0509B

      Date Announced:
      AUG 27, 2019
      NHTSA ID:
      #10165128

      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 »

    • TSB #PIE0509A

      Date Announced:
      MAY 16, 2019
      NHTSA ID:
      #10161973

      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 »

    • TSB #PIE0509

      Date Announced:
      FEB 15, 2019
      NHTSA ID:
      #10155094

      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 »

    • TSB #060850009J

      Date Announced:
      DEC 05, 2018
      NHTSA ID:
      #10155012

      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 »

    • TSB #17NA152

      Date Announced:
      APR 16, 2018
      NHTSA ID:
      #10137483

      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 »

    SEATS:FRONT ASSEMBLY:POWER ADJUST

    • TSB #17NA198

      Date Announced:
      MAR 03, 2020
      NHTSA ID:
      #10174261

      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 »

    ELECTRONIC STABILITY CONTROL

    • TSB #060089026N

      Date Announced:
      JAN 08, 2018
      NHTSA ID:
      #10139278

      This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated. Read More »

    FORWARD COLLISION AVOIDANCE

    • TSB #PIT5551F

      Date Announced:
      OCT 07, 2020
      NHTSA ID:
      #10182540

      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 »

    • TSB #PIT5551E

      Date Announced:
      OCT 03, 2019
      NHTSA ID:
      #10167425

      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 »

    • TSB #PIT5551E

      Date Announced:
      SEP 05, 2019
      NHTSA ID:
      #10165868

      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 »

    • TSB #PIT5551D

      Date Announced:
      MAY 15, 2019
      NHTSA ID:
      #10161019

      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 »

    • TSB #PIT5551C

      Date Announced:
      MAY 11, 2018
      NHTSA ID:
      #10141351

      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

    • TSB #PIC6265E

      Date Announced:
      JUL 02, 2020
      NHTSA ID:
      #10178362

      This Preliminary information communicates that a vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. Read More »

    FORWARD COLLISION AVOIDANCE: SENSING SYSTEM

    • TSB #PIT5551B

      Date Announced:
      OCT 24, 2017
      NHTSA ID:
      #10123280

      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 »

    LANE DEPARTURE

    • TSB #PIT5535E

      Date Announced:
      OCT 25, 2019
      NHTSA ID:
      #10167460

      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 »

    • TSB #PIT5535D

      Date Announced:
      JUL 09, 2019
      NHTSA ID:
      #10163657

      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 »

    • TSB #PIC6265D

      Date Announced:
      NOV 15, 2018
      NHTSA ID:
      #10151851

      This Preliminary information communicates that a vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. Read More »

    • TSB #PIT5441C

      Date Announced:
      SEP 21, 2017
      NHTSA ID:
      #10157027

      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 »

    LANE DEPARTURE: WARNING

    • TSB #PIT5535C

      Date Announced:
      JUL 06, 2018
      NHTSA ID:
      #10143756

      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 »

    LANE DEPARTURE: ASSIST

    • TSB #PIC6265E

      Date Announced:
      JUL 02, 2020
      NHTSA ID:
      #10178362

      This Preliminary information communicates that a vehicle may exhibit a Adaptive Cruise Control Unavailable and/or Lane Keep Assist Unavailable message. Read More »

    LANE DEPARTURE: LANE KEEP: STEERING ASSIST

    • TSB #PIT5535C

      Date Announced:
      JUL 06, 2018
      NHTSA ID:
      #10143756

      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 »

    LANE DEPARTURE: SENSING SYSTEM: CAMERA

    • TSB #PIT5535C

      Date Announced:
      JUL 06, 2018
      NHTSA ID:
      #10143756

      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 »

    BACK OVER PREVENTION

    • TSB #PIC6169E

      Date Announced:
      APR 18, 2019
      NHTSA ID:
      #10160680

      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 »

    • TSB #PIC6169D

      Date Announced:
      NOV 15, 2018
      NHTSA ID:
      #10151852

      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 »

    BACK OVER PREVENTION:SOFTWARE

    • TSB #PIC6424

      Date Announced:
      DEC 03, 2020
      NHTSA ID:
      #10185711

      This Preliminary information communicates a condition where there is only newer hardware available when replacing the Active Safety Control Module. Read More »

    BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

    • TSB #17NA375

      Date Announced:
      NOV 22, 2017
      NHTSA ID:
      #10139141

      This informational bulletin provides a diagnostic tip for rear vision camera image that is grainy, distorted and/or pixelated Read More »

    • TSB #17NA331

      Date Announced:
      OCT 17, 2017
      NHTSA ID:
      #10134612

      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 »

    • TSB #17-NA-331

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190329

      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 »

    • TSB #PIT5441C

      Date Announced:
      SEP 21, 2017
      NHTSA ID:
      #10157027

      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 »

    EQUIPMENT

    • TSB #PIT3099U

      Date Announced:
      AUG 11, 2021
      NHTSA ID:
      #10201310

      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 »

    • TSB #PIP5657C

      Date Announced:
      JUL 20, 2021
      NHTSA ID:
      #10201250

      This Preliminary information communicates the possibility of a misfire occuring due to a broken center insulator on the spark plug. Read More »

    • TSB #21NA152

      Date Announced:
      JUN 28, 2021
      NHTSA ID:
      #10200149

      This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage. Read More »

    • TSB #010842001N

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200151

      This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »

    • TSB #990420002L

      Date Announced:
      JUN 15, 2021
      NHTSA ID:
      #10200154

      This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation. Read More »

    • TSB #080730035E

      Date Announced:
      JUN 07, 2021
      NHTSA ID:
      #10200152

      This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. Read More »

    • TSB #110089002E

      Date Announced:
      JUN 03, 2021
      NHTSA ID:
      #10200153

      This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #070089037Q

      Date Announced:
      MAY 27, 2021
      NHTSA ID:
      #10200089

      This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs. Read More »

    • TSB #18NA306

      Date Announced:
      MAY 21, 2021
      NHTSA ID:
      #10199235

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #18NA306

      Date Announced:
      MAY 21, 2021
      NHTSA ID:
      #10198844

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #100089006H

      Date Announced:
      MAY 17, 2021
      NHTSA ID:
      #10200090

      This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only). Read More »

    • TSB #070089037P

      Date Announced:
      MAY 17, 2021
      NHTSA ID:
      #10200088

      This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs. Read More »

    • TSB #PIP5358A

      Date Announced:
      MAY 12, 2021
      NHTSA ID:
      #10197294

      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 »

    • TSB #20NA159

      Date Announced:
      MAY 06, 2021
      NHTSA ID:
      #10199249

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #21NA103

      Date Announced:
      APR 23, 2021
      NHTSA ID:
      #10194114

      This service bulletin provides information regarding Witness Marks from Panel Adjustments Made During Manufacturing and that it is considered a normal condition. Read More »

    • TSB #PIP5803A

      Date Announced:
      APR 19, 2021
      NHTSA ID:
      #10193459

      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 »

    • TSB #18NA073

      Date Announced:
      APR 13, 2021
      NHTSA ID:
      #10194081

      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 »

    • TSB #PIP5803

      Date Announced:
      APR 09, 2021
      NHTSA ID:
      #10193445

      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 »

    • TSB #18NA146

      Date Announced:
      APR 07, 2021
      NHTSA ID:
      #10194082

      This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »

    • TSB #020089002T

      Date Announced:
      APR 06, 2021
      NHTSA ID:
      #10195127

      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 »

    • TSB #070089036J

      Date Announced:
      APR 06, 2021
      NHTSA ID:
      #10195149

      This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures. Read More »

    • TSB #18NA099

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10191191

      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 »

    • TSB #18NA306

      Date Announced:
      MAR 29, 2021
      NHTSA ID:
      #10191192

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #PIP5725A

      Date Announced:
      MAR 19, 2021
      NHTSA ID:
      #10190413

      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 »

    • TSB #110089005Q

      Date Announced:
      MAR 17, 2021
      NHTSA ID:
      #10191233

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »

    • TSB #21NA043

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10191217

      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 »

    • TSB #18NA306

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10186065

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #18NA306

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10187379

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #010601011L

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10186104

      This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »

    • TSB #19NA206

      Date Announced:
      DEC 11, 2020
      NHTSA ID:
      #10186071

      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 »

    • TSB #20NA224

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10186092

      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 »

    • TSB #090604026S

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10186106

      This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »

    • TSB #PIC6424

      Date Announced:
      DEC 03, 2020
      NHTSA ID:
      #10187162

      This Preliminary information communicates a condition where there is only newer hardware available when replacing the Active Safety Control Module. Read More »

    • TSB #040089015V

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10186105

      This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only). Read More »

    • TSB #PIC6208E

      Date Announced:
      NOV 16, 2020
      NHTSA ID:
      #10184115

      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 »

    • TSB #000310002L

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184499

      This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    • TSB #990851001E

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184503

      Thins informational bulletin provides information on Paint-less Dent Repair Process. Read More »

    • TSB #20NA213

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183211

      This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48. Read More »

    • TSB #1308116001F

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183782

      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 »

    • TSB #PIP5684C

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10182564

      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 »

    • TSB #19NA080

      Date Announced:
      OCT 16, 2020
      NHTSA ID:
      #10183146

      This informational bulletin provides information to the tech to discard the PCV drain tube when working on the lower area of the engine. Read More »

    • TSB #060089026Q

      Date Announced:
      OCT 09, 2020
      NHTSA ID:
      #10183780

      This warranty administration bulletin provides information on Warranty Administration - Customer Concern Not Duplicated (CCND) Labor Operation Numbers. Read More »

    • TSB #18NA306

      Date Announced:
      SEP 29, 2020
      NHTSA ID:
      #10181675

      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 »

    • TSB #PI1171D

      Date Announced:
      SEP 24, 2020
      NHTSA ID:
      #10181725

      This preliminary informational (PI) provides diagnosis and repair information regarding bearing damage or when an engine will not rotate. Read More »

    • TSB #20NA157

      Date Announced:
      SEP 17, 2020
      NHTSA ID:
      #10181695

      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 »

    • TSB #990089019U

      Date Announced:
      AUG 14, 2020
      NHTSA ID:
      #10180697

      This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »

    • TSB #PIP5226D

      Date Announced:
      JUL 27, 2020
      NHTSA ID:
      #10178387

      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 »

    • TSB #20NA047

      Date Announced:
      JUL 23, 2020
      NHTSA ID:
      #10178968

      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 »

    • TSB #PIT5698A

      Date Announced:
      JUL 23, 2020
      NHTSA ID:
      #10178380

      This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus. Read More »

    • TSB #PIP5684B

      Date Announced:
      JUL 13, 2020
      NHTSA ID:
      #10178370

      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 »

    • TSB #PIP4902N

      Date Announced:
      JUN 26, 2020
      NHTSA ID:
      #10178352

      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 »

    • TSB #990089019T

      Date Announced:
      JUN 15, 2020
      NHTSA ID:
      #10178293

      This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »

    • TSB #110089005O

      Date Announced:
      JUN 02, 2020
      NHTSA ID:
      #10178291

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »

    • TSB #060089029T

      Date Announced:
      MAY 27, 2020
      NHTSA ID:
      #10176647

      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 »

    • TSB #030089006R

      Date Announced:
      MAY 07, 2020
      NHTSA ID:
      #10176644

      This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores. Read More »

    • TSB #060089029S

      Date Announced:
      MAY 06, 2020
      NHTSA ID:
      #10176646

      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 »

    • TSB #060089029R

      Date Announced:
      APR 28, 2020
      NHTSA ID:
      #10175853

      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 »

    • TSB #18NA180

      Date Announced:
      APR 28, 2020
      NHTSA ID:
      #10175746

      This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information. Read More »

    • TSB #060089029Q

      Date Announced:
      APR 03, 2020
      NHTSA ID:
      #10175852

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #PIP5704B

      Date Announced:
      MAR 27, 2020
      NHTSA ID:
      #10173725

      This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly. Read More »

    • TSB #PIP5697A

      Date Announced:
      MAR 27, 2020
      NHTSA ID:
      #10173726

      This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park. Read More »

    • TSB #020089002S

      Date Announced:
      MAR 06, 2020
      NHTSA ID:
      #10174299

      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 »

    • TSB #18NA121

      Date Announced:
      MAR 02, 2020
      NHTSA ID:
      #10174265

      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 »

    • TSB #19NA104

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173393

      This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »

    • TSB #PIP5704A

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10172341

      This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly. Read More »

    • TSB #20NA047

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10172817

      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 »

    • TSB #040601029J

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173416

      This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. Read More »

    • TSB #050307009J

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173417

      This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles. Read More »

    • TSB #18NA073

      Date Announced:
      FEB 07, 2020
      NHTSA ID:
      #10172784

      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 »

    • TSB #PIT3099T

      Date Announced:
      FEB 04, 2020
      NHTSA ID:
      #10172305

      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 »

    • TSB #110089002D

      Date Announced:
      JAN 29, 2020
      NHTSA ID:
      #10172294

      This informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #050307009I

      Date Announced:
      JAN 27, 2020
      NHTSA ID:
      #10172293

      This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment. Read More »

    • TSB #16NA051

      Date Announced:
      JAN 22, 2020
      NHTSA ID:
      #10171876

      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 »

    • TSB #20NA016

      Date Announced:
      JAN 21, 2020
      NHTSA ID:
      #10172285

      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 »

    • TSB #16NA383

      Date Announced:
      JAN 02, 2020
      NHTSA ID:
      #10171878

      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 »

    • TSB #PI0592F

      Date Announced:
      DEC 12, 2019
      NHTSA ID:
      #10170498

      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 »

    • TSB #100089009D

      Date Announced:
      NOV 26, 2019
      NHTSA ID:
      #10169357

      This informational bulletin provides information on key code security rules and information on GM keycode look-up applications. Read More »

    • TSB #080089014F

      Date Announced:
      NOV 25, 2019
      NHTSA ID:
      #10169355

      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 »

    • TSB #PIE0539B

      Date Announced:
      NOV 25, 2019
      NHTSA ID:
      #10169362

      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 »

    • TSB #080310006G

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169356

      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 »

    • TSB #010842001M

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169354

      This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. Read More »

    • TSB #18NA015

      Date Announced:
      NOV 06, 2019
      NHTSA ID:
      #10169306

      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 »

    • TSB #PIP5684

      Date Announced:
      OCT 22, 2019
      NHTSA ID:
      #10167455

      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 »

    • TSB #PIP5676A

      Date Announced:
      SEP 23, 2019
      NHTSA ID:
      #10165900

      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 »

    • TSB #17NA073

      Date Announced:
      SEP 18, 2019
      NHTSA ID:
      #10166638

      This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »

    • TSB #PIP5676

      Date Announced:
      SEP 16, 2019
      NHTSA ID:
      #10165889

      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 »

    • TSB #18NA146

      Date Announced:
      AUG 23, 2019
      NHTSA ID:
      #10165087

      This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »

    • TSB #130089008B

      Date Announced:
      AUG 19, 2019
      NHTSA ID:
      #10165126

      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 »

    • TSB #N192218430

      Date Announced:
      AUG 13, 2019
      NHTSA ID:
      #10165441

      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 »

    • TSB #PIT5698

      Date Announced:
      JUL 30, 2019
      NHTSA ID:
      #10163686

      This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus. Read More »

    • TSB #PIC6208D

      Date Announced:
      JUL 29, 2019
      NHTSA ID:
      #10163681

      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 »

    • TSB #990089019R

      Date Announced:
      JUL 26, 2019
      NHTSA ID:
      #10163900

      This informational bulletin provides process information for the (GWM) and (WPC) parts return program. Read More »

    • TSB #PIT3099R

      Date Announced:
      JUL 10, 2019
      NHTSA ID:
      #10163659

      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 »

    • TSB #1308116001E

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163272

      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 »

    • TSB #16NA222

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163193

      This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »

    • TSB #090604026Q

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163266

      This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »

    • TSB #000601012J

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163260

      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 »

    • TSB #N182198330

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10164108

      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 »

    • TSB #PIP5632A

      Date Announced:
      MAY 28, 2019
      NHTSA ID:
      #10161046

      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 »

    • TSB #16NA119

      Date Announced:
      MAY 08, 2019
      NHTSA ID:
      #10161929

      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 »

    • TSB #PIP5226C

      Date Announced:
      MAY 06, 2019
      NHTSA ID:
      #10160983

      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 »

    • TSB #080089014E

      Date Announced:
      MAY 02, 2019
      NHTSA ID:
      #10161907

      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 »

    • TSB #19NA080

      Date Announced:
      APR 16, 2019
      NHTSA ID:
      #10160421

      This informational bulletin provides information to the tech to discard the PCV drain tube when working on the lower area of the engine. Read More »

    • TSB #PIC6360

      Date Announced:
      APR 16, 2019
      NHTSA ID:
      #10160672

      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 »

    • TSB #030729004L

      Date Announced:
      APR 02, 2019
      NHTSA ID:
      #10160133

      This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions. Read More »

    • TSB #1008110001H

      Date Announced:
      APR 01, 2019
      NHTSA ID:
      #10160135

      This informational bulletin provides information on proper use of floor mats. Read More »

    • TSB #19NA067

      Date Announced:
      MAR 27, 2019
      NHTSA ID:
      #10158854

      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 »

    • TSB #060089029O

      Date Announced:
      MAR 25, 2019
      NHTSA ID:
      #10158859

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #1008110001G

      Date Announced:
      MAR 22, 2019
      NHTSA ID:
      #10158867

      This informational bulletin provides information on proper use of floor mats. Read More »

    • TSB #100845001F

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10158863

      This bulletin provides information for electrical ground repairs using new replacement fasteners with "conductive finish". Read More »

    • TSB #090089002Q

      Date Announced:
      MAR 14, 2019
      NHTSA ID:
      #10158862

      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 »

    • TSB #PIP4902L

      Date Announced:
      MAR 08, 2019
      NHTSA ID:
      #10156916

      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 »

    • TSB #120089002C

      Date Announced:
      FEB 26, 2019
      NHTSA ID:
      #10155073

      This informational bulletin provides the dealer with information on what to do when requesting a new key code for the customer. Read More »

    • TSB #17NA073

      Date Announced:
      FEB 15, 2019
      NHTSA ID:
      #10154641

      This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »

    • TSB #090089016F

      Date Announced:
      FEB 08, 2019
      NHTSA ID:
      #10155071

      This warranty nonadministrative bulletin provides information on the proper use of the labor operation 0600014. Read More »

    • TSB #090089002P

      Date Announced:
      FEB 05, 2019
      NHTSA ID:
      #10155070

      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 »

    • TSB #18NA335

      Date Announced:
      JAN 03, 2019
      NHTSA ID:
      #10155032

      This informational bulletin provides to the technician the correct parts and the labor operation number in conjunction with the repair. Read More »

    • TSB #060089026O

      Date Announced:
      DEC 21, 2018
      NHTSA ID:
      #10155010

      This warranty bulletin provides labor operation numbers for customer concerns Not duplicated (CCND). Read More »

    • TSB #080089014C

      Date Announced:
      DEC 13, 2018
      NHTSA ID:
      #10155014

      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 »

    • TSB #PIC5822F

      Date Announced:
      NOV 26, 2018
      NHTSA ID:
      #10151876

      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 »

    • TSB #PIP5610

      Date Announced:
      NOV 05, 2018
      NHTSA ID:
      #10151820

      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 »

    • TSB #18NA099

      Date Announced:
      NOV 05, 2018
      NHTSA ID:
      #10155101

      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 »

    • TSB #18NA255

      Date Announced:
      NOV 05, 2018
      NHTSA ID:
      #10155103

      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 »

    • TSB #PIE0475A

      Date Announced:
      NOV 01, 2018
      NHTSA ID:
      #10155080

      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 »

    • TSB #PIP5601

      Date Announced:
      OCT 23, 2018
      NHTSA ID:
      #10147401

      This Preliminary information communicates Read More »

    • TSB #PIT4945G

      Date Announced:
      OCT 12, 2018
      NHTSA ID:
      #10147376

      This Preliminary Information communication provides information to the technician being unable to program fobs to the vehicle. Read More »

    • TSB #PIC6333C

      Date Announced:
      OCT 04, 2018
      NHTSA ID:
      #10147354

      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 »

    • TSB #PIP4902K

      Date Announced:
      AUG 28, 2018
      NHTSA ID:
      #10144476

      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 »

    • TSB #PIC5779J

      Date Announced:
      AUG 20, 2018
      NHTSA ID:
      #10144465

      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 »

    • TSB #PIC6095C

      Date Announced:
      JUL 09, 2018
      NHTSA ID:
      #10143758

      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 »

    • TSB #PIT5411M

      Date Announced:
      JUN 08, 2018
      NHTSA ID:
      #10143427

      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 »

    • TSB #PIT5399A

      Date Announced:
      MAY 23, 2018
      NHTSA ID:
      #10141371

      This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Read More »

    • TSB #PIP5519A

      Date Announced:
      MAY 15, 2018
      NHTSA ID:
      #10141354

      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 »

    • TSB #PIC6333

      Date Announced:
      MAY 15, 2018
      NHTSA ID:
      #10141355

      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 »

    • TSB #150603002M

      Date Announced:
      APR 25, 2018
      NHTSA ID:
      #10137559

      This bulletin provides information on approved warranty part numbers for original equipment batteries. Read More »

    • TSB #150603002L

      Date Announced:
      APR 09, 2018
      NHTSA ID:
      #10137558

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #18NA099

      Date Announced:
      APR 04, 2018
      NHTSA ID:
      #10137537

      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 »

    • TSB #130089010B

      Date Announced:
      APR 03, 2018
      NHTSA ID:
      #10137557

      This informational bulletin provides information to dealership personnel on policies regarding a Product Assistance Claim (PAC) within the Courtesy Transportation Assistance Program. Read More »

    • TSB #150603002K

      Date Announced:
      JAN 31, 2018
      NHTSA ID:
      #10139283

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #050851001I

      Date Announced:
      JAN 12, 2018
      NHTSA ID:
      #10139277

      This information bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film. Read More »

    • TSB #PIP5540

      Date Announced:
      JAN 04, 2018
      NHTSA ID:
      #10129051

      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 »

    • TSB #17NA074

      Date Announced:
      DEC 22, 2017
      NHTSA ID:
      #10139225

      This informational bulletin provides information and Tips for Customers Having Difficulty Launching Android Auto or Apple CarPlay. Read More »

    • TSB #040089015R

      Date Announced:
      DEC 15, 2017
      NHTSA ID:
      #10139208

      This warranty administration bulletin provide policy information on required operating procedures. Read More »

    • TSB #070089037L

      Date Announced:
      DEC 11, 2017
      NHTSA ID:
      #10139212

      This warranty administration bulletin provide policy information for courtesy transportation and roadside assistance programs. Read More »

    • TSB #120089007A

      Date Announced:
      DEC 07, 2017
      NHTSA ID:
      #10139181

      This informational bulletin provides information on dealer responsibility for cargo carrying capacity labeling and the part numbers for the labels. Read More »

    • TSB #16NA239

      Date Announced:
      DEC 04, 2017
      NHTSA ID:
      #10139220

      This Bulletin provides a procedure to activate/enable 4G LTE Wi-Fi Hotspot on New vehicle. Read More »

    • TSB #070089036I

      Date Announced:
      DEC 04, 2017
      NHTSA ID:
      #10139211

      This informational bulletin provides information to dealership personnel on enhancing field product reports with digital pictures. Read More »

    • TSB #16NA356

      Date Announced:
      NOV 30, 2017
      NHTSA ID:
      #10139099

      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 »

    • TSB #16NA158

      Date Announced:
      NOV 22, 2017
      NHTSA ID:
      #10139095

      This bulletin describes the Dealer special tool loan program process. Read More »

    • TSB #17NA346

      Date Announced:
      NOV 17, 2017
      NHTSA ID:
      #10139118

      This informational bulletin provides a listing of the parts availability for coax repair procedures and what is needed to complete some repairs. Read More »

    • TSB #150089005A

      Date Announced:
      OCT 25, 2017
      NHTSA ID:
      #10134594

      This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only). Read More »

    • TSB #070849020M

      Date Announced:
      OCT 24, 2017
      NHTSA ID:
      #10134621

      This informational bulletin provides information for the IPC odometer programming method quick reference guide. Read More »

    • TSB #150089004B

      Date Announced:
      OCT 11, 2017
      NHTSA ID:
      #10134593

      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 »

    • TSB #PIT5353B

      Date Announced:
      OCT 03, 2017
      NHTSA ID:
      #10123222

      This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. Read More »

    • TSB #150603002H

      Date Announced:
      OCT 03, 2017
      NHTSA ID:
      #10134595

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #150603002H

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190339

      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 »

    • TSB #150089005A

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190338

      Essential Tools that Include Consumable Parts (U.S. Only) Read More »

    • TSB #17-NA-331

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190329

      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 »

    • TSB #17NA305

      Date Announced:
      SEP 22, 2017
      NHTSA ID:
      #10159621

      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 »

    • TSB #PIT5441C

      Date Announced:
      SEP 21, 2017
      NHTSA ID:
      #10157027

      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 »

    • TSB #PIT5074K

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157020

      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 »

    • TSB #040601029I

      Date Announced:
      SEP 14, 2017
      NHTSA ID:
      #10159572

      This informational bulletin explains the importance of maintaining the vehicle. Read More »

    • TSB #PIP5519

      Date Announced:
      SEP 13, 2017
      NHTSA ID:
      #10157003

      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 »

    • TSB #PIP5517

      Date Announced:
      SEP 12, 2017
      NHTSA ID:
      #10157000

      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 »

    • TSB #000601012H

      Date Announced:
      SEP 12, 2017
      NHTSA ID:
      #10159569

      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 »

    • TSB #PIT5389E

      Date Announced:
      SEP 11, 2017
      NHTSA ID:
      #10156999

      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 »

    • TSB #150603002G

      Date Announced:
      SEP 07, 2017
      NHTSA ID:
      #10159578

      This informational bulletin provides information on approved warranty part numbers for original equipment batteries Read More »

    • TSB #PIC6296A

      Date Announced:
      AUG 29, 2017
      NHTSA ID:
      #10137747

      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 »

    • TSB #99-08-51-001D

      Date Announced:
      AUG 23, 2017
      NHTSA ID:
      #10140406

      Thins informational bulletin provides information on Paint-less Dent Repair Process. Read More »

    • TSB #PIP5320E

      Date Announced:
      AUG 10, 2017
      NHTSA ID:
      #10137709

      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 »

    • TSB #04-00-89-015Q

      Date Announced:
      AUG 07, 2017
      NHTSA ID:
      #10140296

      This warranty administration bulletin provide policy information on required operating procedures. Read More »

    • TSB #08-08-44-029H

      Date Announced:
      AUG 02, 2017
      NHTSA ID:
      #10140297

      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 »

    • TSB #PIP5505

      Date Announced:
      JUL 10, 2017
      NHTSA ID:
      #10114068

      This Preliminary information communicates that the E88 ECM controllers part number 12680194 are currently under part restriction. Read More »

    • TSB #17-NA-170

      Date Announced:
      MAY 23, 2017
      NHTSA ID:
      #10137665

      This informational bulletin explains the Road Force balancers and what they can do for customer concerns. Read More »

    • TSB #05-00-89-029D

      Date Announced:
      MAY 15, 2017
      NHTSA ID:
      #10137605

      This informational bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations. Read More »

    • TSB #16-NA-383

      Date Announced:
      MAY 10, 2017
      NHTSA ID:
      #10137635

      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 »

    • TSB #03-00-89-006N

      Date Announced:
      MAY 04, 2017
      NHTSA ID:
      #10137602

      This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores. Read More »

    • TSB #16-NA-367

      Date Announced:
      MAY 02, 2017
      NHTSA ID:
      #10137634

      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 »

    • TSB #04-00-89-015O

      Date Announced:
      MAY 02, 2017
      NHTSA ID:
      #10137603

      This warranty administration bulletin provide policy information on required operating procedures. Read More »

    EQUIPMENT:ELECTRICAL

    • TSB #21NA068

      Date Announced:
      APR 16, 2021
      NHTSA ID:
      #10194101

      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 »

    • TSB #N182188250 02

      Date Announced:
      JUN 19, 2020
      NHTSA ID:
      #10177369

      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 »

    • TSB #100089005I

      Date Announced:
      MAR 31, 2020
      NHTSA ID:
      #10174304

      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 »

    • TSB #19NA206

      Date Announced:
      JAN 30, 2020
      NHTSA ID:
      #10171895

      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 »

    • TSB #19NA206

      Date Announced:
      OCT 14, 2019
      NHTSA ID:
      #10168232

      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 »

    • TSB #PIT3099S

      Date Announced:
      SEP 05, 2019
      NHTSA ID:
      #10165874

      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 »

    • TSB #PIC6360

      Date Announced:
      APR 16, 2019
      NHTSA ID:
      #10160672

      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 »

    • TSB #070849020P

      Date Announced:
      MAR 22, 2019
      NHTSA ID:
      #10158861

      This informational bulletin provides information for the IPC odometer programming method quick reference guide. Read More »

    • TSB #PIP4902M

      Date Announced:
      MAR 19, 2019
      NHTSA ID:
      #10156939

      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 »

    • TSB #PIP5632

      Date Announced:
      MAR 13, 2019
      NHTSA ID:
      #10156929

      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 »

    • TSB #030603004X

      Date Announced:
      JAN 24, 2019
      NHTSA ID:
      #10154626

      This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. Read More »

    • TSB #PIC6073E

      Date Announced:
      DEC 17, 2018
      NHTSA ID:
      #10154606

      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 »

    • TSB #18NA255

      Date Announced:
      NOV 05, 2018
      NHTSA ID:
      #10155103

      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 »

    • TSB #PIC6095C

      Date Announced:
      JUL 09, 2018
      NHTSA ID:
      #10143758

      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 »

    • TSB #PIC5953D

      Date Announced:
      JUN 14, 2018
      NHTSA ID:
      #10143443

      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 »

    • TSB #18NA141

      Date Announced:
      APR 27, 2018
      NHTSA ID:
      #10137599

      This informational bulletin provides information on Audio Volume Stuck High or Low with No DTCs and that this is a normal characteristic. Read More »

    • TSB #PIE0436A

      Date Announced:
      MAR 29, 2018
      NHTSA ID:
      #10137418

      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 »

    • TSB #PIT5354B

      Date Announced:
      DEC 18, 2017
      NHTSA ID:
      #10126973

      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 »

    • TSB #PIC5839D

      Date Announced:
      DEC 06, 2017
      NHTSA ID:
      #10126951

      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 »

    • TSB #16NA239

      Date Announced:
      DEC 04, 2017
      NHTSA ID:
      #10139220

      This Bulletin provides a procedure to activate/enable 4G LTE Wi-Fi Hotspot on New vehicle. Read More »

    • TSB #17NA386

      Date Announced:
      DEC 04, 2017
      NHTSA ID:
      #10139176

      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 »

    • TSB #17NA344

      Date Announced:
      NOV 28, 2017
      NHTSA ID:
      #10139116

      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 »

    • TSB #PIT5441C

      Date Announced:
      SEP 21, 2017
      NHTSA ID:
      #10157027

      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 »

    • TSB #PIT5389E

      Date Announced:
      SEP 11, 2017
      NHTSA ID:
      #10156999

      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 »

    • TSB #13-08-116-001C

      Date Announced:
      AUG 30, 2017
      NHTSA ID:
      #10140298

      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 »

    • TSB #PIC6296A

      Date Announced:
      AUG 29, 2017
      NHTSA ID:
      #10137747

      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 »

    • TSB #PIC6302

      Date Announced:
      AUG 16, 2017
      NHTSA ID:
      #10137722

      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 »

    • TSB #PIC5932B

      Date Announced:
      AUG 09, 2017
      NHTSA ID:
      #10137705

      This Preliminary Information communication provides information to the technician about customers that may complain of various concerns when using Bluetooth components. Read More »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #18NA266

      Date Announced:
      MAR 13, 2019
      NHTSA ID:
      #10158822

      This technical bulletin provides repair information to correct a customer concern of an intermittent blank or flickering driver information center (DIC). Read More »

    • TSB #PIT5353C

      Date Announced:
      NOV 21, 2018
      NHTSA ID:
      #10151869

      This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. Read More »

    • TSB #PIC6333C

      Date Announced:
      OCT 04, 2018
      NHTSA ID:
      #10147354

      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 »

    • TSB #PIC6095C

      Date Announced:
      JUL 09, 2018
      NHTSA ID:
      #10143758

      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 »

    • TSB #18NA134

      Date Announced:
      APR 26, 2018
      NHTSA ID:
      #10137595

      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 »

    • TSB #18NA138

      Date Announced:
      APR 26, 2018
      NHTSA ID:
      #10137598

      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 »

    • TSB #PIT5411L

      Date Announced:
      APR 10, 2018
      NHTSA ID:
      #10137495

      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 »

    • TSB #PIC6315C

      Date Announced:
      MAR 22, 2018
      NHTSA ID:
      #10137194

      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 »

    • TSB #PIT5411K

      Date Announced:
      MAR 13, 2018
      NHTSA ID:
      #10137183

      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 »

    • TSB #PIT5411J

      Date Announced:
      FEB 06, 2018
      NHTSA ID:
      #10129862

      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 »

    • TSB #PI1149A

      Date Announced:
      NOV 28, 2017
      NHTSA ID:
      #10140340

      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 »

    • TSB #PIC6315A

      Date Announced:
      NOV 20, 2017
      NHTSA ID:
      #10125127

      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 »

    • TSB #PIC6315

      Date Announced:
      NOV 14, 2017
      NHTSA ID:
      #10125115

      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 »

    • TSB #17NA337

      Date Announced:
      OCT 23, 2017
      NHTSA ID:
      #10134618

      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 »

    • TSB #PIT5353B

      Date Announced:
      OCT 03, 2017
      NHTSA ID:
      #10123222

      This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. Read More »

    • TSB #PIT5411H

      Date Announced:
      AUG 22, 2017
      NHTSA ID:
      #10137733

      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 »

    EQUIPMENT:ELECTRICAL:ACCESSORY GENERATOR:CONTROLS

    • TSB #PIP5632E

      Date Announced:
      JUN 15, 2021
      NHTSA ID:
      #10201281

      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 »

    EQUIPMENT:MECHANICAL

    • TSB #PIP5697E

      Date Announced:
      JUL 16, 2020
      NHTSA ID:
      #10178374

      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 »

    • TSB #17NA198

      Date Announced:
      MAR 03, 2020
      NHTSA ID:
      #10174261

      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 »

    EQUIPMENT:OTHER:LABELS

    • TSB #PIC5453D

      Date Announced:
      JUL 22, 2020
      NHTSA ID:
      #10178376

      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 »

    • TSB #PIP5597

      Date Announced:
      OCT 09, 2018
      NHTSA ID:
      #10147363

      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 »

    • TSB #17-NA-213

      Date Announced:
      AUG 09, 2017
      NHTSA ID:
      #10140374

      This informational bulletin provides information for the service parts identification (SPID) label replacement. Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #040089015V

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187626

      This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only). Read More »

    • TSB #18NA263

      Date Announced:
      NOV 25, 2020
      NHTSA ID:
      #10184480

      This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only). Read More »

    • TSB #PIT5074N

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10184131

      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 »

    • TSB #110089005P

      Date Announced:
      SEP 30, 2020
      NHTSA ID:
      #10181724

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »

    • TSB #18NA099

      Date Announced:
      AUG 05, 2020
      NHTSA ID:
      #10180299

      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 »

    • TSB #PIC5453D

      Date Announced:
      JUL 22, 2020
      NHTSA ID:
      #10178376

      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 »

    • TSB #150089002B

      Date Announced:
      JUL 10, 2020
      NHTSA ID:
      #10179408

      This bulletin provides information to dealers regarding transportation damage repair claim submission requirements. Read More »

    • TSB #PIC5453C

      Date Announced:
      JUN 05, 2020
      NHTSA ID:
      #10178306

      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 »

    • TSB #PIP5684A

      Date Announced:
      MAY 05, 2020
      NHTSA ID:
      #10176300

      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 »

    • TSB #000310003Z

      Date Announced:
      APR 29, 2020
      NHTSA ID:
      #10175850

      This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). Read More »

    • TSB #PIC5650G

      Date Announced:
      APR 27, 2020
      NHTSA ID:
      #10174861

      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 »

    • TSB #060089029P

      Date Announced:
      MAR 20, 2020
      NHTSA ID:
      #10174302

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #070089037O

      Date Announced:
      MAR 18, 2020
      NHTSA ID:
      #10174303

      This warranty administration bulletin provides policy information for courtesy transportation and roadside assistance programs. Read More »

    • TSB #18NA069

      Date Announced:
      MAR 12, 2020
      NHTSA ID:
      #10174263

      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 »

    • TSB #060089026P

      Date Announced:
      MAR 03, 2020
      NHTSA ID:
      #10174301

      This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated (CCND) Labor Operation Numbers. Read More »

    • TSB #990089019S

      Date Announced:
      MAR 02, 2020
      NHTSA ID:
      #10174307

      This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »

    • TSB #040089015U

      Date Announced:
      FEB 27, 2020
      NHTSA ID:
      #10173415

      This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only). Read More »

    • TSB #000310003Y

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10173414

      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 »

    • TSB #16NA119

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10172773

      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 »

    • TSB #150089005C

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173418

      This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only). Read More »

    • TSB #18NA306

      Date Announced:
      JAN 17, 2020
      NHTSA ID:
      #10171888

      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 »

    • TSB #080089014F

      Date Announced:
      NOV 25, 2019
      NHTSA ID:
      #10169355

      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 »

    • TSB #100089006G

      Date Announced:
      OCT 16, 2019
      NHTSA ID:
      #10168207

      This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only). Read More »

    • TSB #100089009C

      Date Announced:
      OCT 09, 2019
      NHTSA ID:
      #10168208

      This informational bulletin provides information on key code security and information on GM key code look up applications. Read More »

    • TSB #18NA306

      Date Announced:
      OCT 02, 2019
      NHTSA ID:
      #10168188

      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 »

    • TSB #010089010N

      Date Announced:
      OCT 02, 2019
      NHTSA ID:
      #10168204

      This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). Read More »

    • TSB #060847001O

      Date Announced:
      JUN 11, 2019
      NHTSA ID:
      #10163263

      This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module. Read More »

    • TSB #110089005N

      Date Announced:
      MAR 26, 2019
      NHTSA ID:
      #10158864

      This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm. Read More »

    • TSB #060089029O

      Date Announced:
      MAR 25, 2019
      NHTSA ID:
      #10158859

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #030089006Q

      Date Announced:
      MAR 25, 2019
      NHTSA ID:
      #10158855

      This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores. Read More »

    • TSB #040089053G

      Date Announced:
      MAR 22, 2019
      NHTSA ID:
      #10158857

      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 »

    • TSB #070849020P

      Date Announced:
      MAR 22, 2019
      NHTSA ID:
      #10158861

      This informational bulletin provides information for the IPC odometer programming method quick reference guide. Read More »

    • TSB #PIE0494A

      Date Announced:
      MAR 20, 2019
      NHTSA ID:
      #10158870

      This engineering information PI ends the need for information from the field on a oil leak from the oil pan. Read More »

    • TSB #PIE0495A

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10158871

      This engineering information PI ends the need for information from the field on a oil leak from the oil pan. Read More »

    • TSB #090089002Q

      Date Announced:
      MAR 14, 2019
      NHTSA ID:
      #10158862

      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 »

    • TSB #PIT4945H

      Date Announced:
      FEB 19, 2019
      NHTSA ID:
      #10154308

      This Preliminary Information communication provides information to the technician being unable to program fobs to the vehicle. Read More »

    • TSB #PIE0509

      Date Announced:
      FEB 15, 2019
      NHTSA ID:
      #10155094

      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 »

    • TSB #010089010M

      Date Announced:
      JAN 31, 2019
      NHTSA ID:
      #10154625

      This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). Read More »

    • TSB #080089014D

      Date Announced:
      JAN 31, 2019
      NHTSA ID:
      #10154628

      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 »

    • TSB #040089015T

      Date Announced:
      JAN 14, 2019
      NHTSA ID:
      #10154627

      This warranty administration bulletin provides policy information on required operating procedures. Read More »

    • TSB #18NA246

      Date Announced:
      DEC 18, 2018
      NHTSA ID:
      #10154983

      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 »

    • TSB #17NA066

      Date Announced:
      DEC 14, 2018
      NHTSA ID:
      #10154975

      This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test. Read More »

    • TSB #110089002C

      Date Announced:
      MAR 09, 2018
      NHTSA ID:
      #10137385

      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 »

    • TSB #18NA073

      Date Announced:
      MAR 08, 2018
      NHTSA ID:
      #10137301

      This Bulletin provides graphics, information and guidelines for engine component wear that require repair and not engine replacement. Read More »

    • TSB #030089006P

      Date Announced:
      MAR 07, 2018
      NHTSA ID:
      #10137382

      This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores. Read More »

    • TSB #110089005L

      Date Announced:
      FEB 13, 2018
      NHTSA ID:
      #10137345

      This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm. Read More »

    • TSB #030603004W

      Date Announced:
      FEB 01, 2018
      NHTSA ID:
      #10137341

      This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. Read More »

    • TSB #18NA027

      Date Announced:
      JAN 26, 2018
      NHTSA ID:
      #10139272

      This informational bulletin provides information retaining to the fact that Service Manuals will now be available on USB. Read More »

    • TSB #PIP5472D

      Date Announced:
      JAN 03, 2018
      NHTSA ID:
      #10129049

      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 »

    • TSB #040089015R

      Date Announced:
      DEC 15, 2017
      NHTSA ID:
      #10139208

      This warranty administration bulletin provide policy information on required operating procedures. Read More »

    • TSB #070089037L

      Date Announced:
      DEC 11, 2017
      NHTSA ID:
      #10139212

      This warranty administration bulletin provide policy information for courtesy transportation and roadside assistance programs. Read More »

    • TSB #070089036I

      Date Announced:
      DEC 04, 2017
      NHTSA ID:
      #10139211

      This informational bulletin provides information to dealership personnel on enhancing field product reports with digital pictures. Read More »

    • TSB #PIP5534

      Date Announced:
      NOV 30, 2017
      NHTSA ID:
      #10125140

      This Preliminary information communicates additional diagnostics to assist the dealer technician with diagnosing and repairing trouble code P2097. Read More »

    • TSB #PIP5482B

      Date Announced:
      NOV 21, 2017
      NHTSA ID:
      #10125132

      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 »

    • TSB #PIC6297A

      Date Announced:
      NOV 17, 2017
      NHTSA ID:
      #10125119

      This Preliminary information communicates that engineering has found a fix for P3260. Read More »

    • TSB #PIP5390C

      Date Announced:
      OCT 12, 2017
      NHTSA ID:
      #10123242

      This Preliminary Information communication advises the technician that the Malibu 5ET50 Hybrid Transmission and Component has a part restriction program. Read More »

    • TSB #PIP5505A

      Date Announced:
      OCT 11, 2017
      NHTSA ID:
      #10123234

      This Preliminary information communicates that the E88 ECM controllers part number 12680194 and 12691559 are currently under part restriction. Read More »

    • TSB #070849020M

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190320

      IPC Odometer Programming Method Quick Reference Guide Read More »

    • TSB #PIT5074K

      Date Announced:
      SEP 20, 2017
      NHTSA ID:
      #10157020

      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 »

    • TSB #PIT3099Q

      Date Announced:
      SEP 06, 2017
      NHTSA ID:
      #10156990

      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 »

    • TSB #17-NA-170

      Date Announced:
      JUL 31, 2017
      NHTSA ID:
      #10126081

      This informational bulletin explains the Road Force balancers and what they can do for customer concerns. Read More »

    • TSB #04-00-89-015P

      Date Announced:
      JUL 25, 2017
      NHTSA ID:
      #10126065

      This warranty administration bulletin provide policy information on required operating procedures. Read More »

    • TSB #17-NA-073

      Date Announced:
      MAR 15, 2017
      NHTSA ID:
      #10138060

      This warranty administration bulletin provides policy information with the field action courtesy transportation policy. Read More »

    • TSB #06-08-47-001M

      Date Announced:
      MAR 07, 2017
      NHTSA ID:
      #10138014

      This information bulletin explains the labor operation numbers used for submitting warranty claims and how to setup, and reprogram modules. Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #PIP5657C

      Date Announced:
      JUL 20, 2021
      NHTSA ID:
      #10201250

      This Preliminary information communicates the possibility of a misfire occuring due to a broken center insulator on the spark plug. Read More »

    • TSB #010842001N

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200151

      This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines. Read More »

    • TSB #080730035E

      Date Announced:
      JUN 07, 2021
      NHTSA ID:
      #10200152

      This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. Read More »

    • TSB #110089002E

      Date Announced:
      JUN 03, 2021
      NHTSA ID:
      #10200153

      This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. Read More »

    • TSB #1008110001I

      Date Announced:
      MAR 11, 2021
      NHTSA ID:
      #10191232

      This informational bulletin provides information on proper use of floor mats. Read More »

    • TSB #19NA206

      Date Announced:
      DEC 11, 2020
      NHTSA ID:
      #10186071

      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 »

    • TSB #090604026S

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10186106

      This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »

    • TSB #PIC6208E

      Date Announced:
      NOV 16, 2020
      NHTSA ID:
      #10184115

      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 »

    • TSB #000310002L

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184499

      This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels. Read More »

    • TSB #20NA213

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183211

      This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48. Read More »

    • TSB #19NA080

      Date Announced:
      OCT 16, 2020
      NHTSA ID:
      #10183146

      This informational bulletin provides information to the tech to discard the PCV drain tube when working on the lower area of the engine. Read More »

    • TSB #16NA383

      Date Announced:
      MAY 08, 2020
      NHTSA ID:
      #10176607

      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 »

    • TSB #060089029R

      Date Announced:
      APR 28, 2020
      NHTSA ID:
      #10175853

      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 »

    • TSB #PI0281H

      Date Announced:
      APR 14, 2020
      NHTSA ID:
      #10175855

      This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. Read More »

    • TSB #060089029Q

      Date Announced:
      APR 03, 2020
      NHTSA ID:
      #10175852

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #PIP5704B

      Date Announced:
      MAR 27, 2020
      NHTSA ID:
      #10173725

      This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly. Read More »

    • TSB #19NA104

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173393

      This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. Read More »

    • TSB #040601029J

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10173416

      This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. Read More »

    • TSB #150089005C

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173418

      This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only). Read More »

    • TSB #16NA051

      Date Announced:
      JAN 22, 2020
      NHTSA ID:
      #10171876

      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 »

    • TSB #16NA383

      Date Announced:
      JAN 02, 2020
      NHTSA ID:
      #10171878

      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 »

    • TSB #100089009D

      Date Announced:
      NOV 26, 2019
      NHTSA ID:
      #10169357

      This informational bulletin provides information on key code security rules and information on GM keycode look-up applications. Read More »

    • TSB #080310006G

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169356

      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 »

    • TSB #010842001M

      Date Announced:
      NOV 12, 2019
      NHTSA ID:
      #10169354

      This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. Read More »

    • TSB #N192218430

      Date Announced:
      AUG 13, 2019
      NHTSA ID:
      #10165441

      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 »

    • TSB #100845001G

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163268

      This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish. Read More »

    • TSB #1308116001E

      Date Announced:
      JUN 26, 2019
      NHTSA ID:
      #10163272

      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 »

    • TSB #000601012J

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10163260

      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 »

    • TSB #N182198330

      Date Announced:
      JUN 25, 2019
      NHTSA ID:
      #10164108

      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 »

    • TSB #19NA067

      Date Announced:
      MAR 27, 2019
      NHTSA ID:
      #10158854

      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 »

    • TSB #060089029O

      Date Announced:
      MAR 25, 2019
      NHTSA ID:
      #10158859

      This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles. Read More »

    • TSB #1008110001G

      Date Announced:
      MAR 22, 2019
      NHTSA ID:
      #10158867

      This informational bulletin provides information on proper use of floor mats. Read More »

    • TSB #100845001F

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10158863

      This bulletin provides information for electrical ground repairs using new replacement fasteners with "conductive finish". Read More »

    • TSB #PIE0495A

      Date Announced:
      MAR 15, 2019
      NHTSA ID:
      #10158871

      This engineering information PI ends the need for information from the field on a oil leak from the oil pan. Read More »

    • TSB #090089002Q

      Date Announced:
      MAR 14, 2019
      NHTSA ID:
      #10158862

      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 »

    • TSB #050604022P

      Date Announced:
      MAR 07, 2019
      NHTSA ID:
      #10158858

      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 »

    • TSB #060850009J

      Date Announced:
      DEC 05, 2018
      NHTSA ID:
      #10155012

      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 »

    • TSB #PIT4945G

      Date Announced:
      OCT 12, 2018
      NHTSA ID:
      #10147376

      This Preliminary Information communication provides information to the technician being unable to program fobs to the vehicle. Read More »

    • TSB #PIP4902K

      Date Announced:
      AUG 28, 2018
      NHTSA ID:
      #10144476

      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 »

    • TSB #PIC5779J

      Date Announced:
      AUG 20, 2018
      NHTSA ID:
      #10144465

      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 »

    • TSB #PIC5953D

      Date Announced:
      JUN 14, 2018
      NHTSA ID:
      #10143443

      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 »

    • TSB #PIP5519A

      Date Announced:
      MAY 15, 2018
      NHTSA ID:
      #10141354

      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 »

    • TSB #PIC6333

      Date Announced:
      MAY 15, 2018
      NHTSA ID:
      #10141355

      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 »

    • TSB #000089027J

      Date Announced:
      MAR 16, 2018
      NHTSA ID:
      #10137380

      This informational bulletin provides information to dealership personnel on properly eliminating unwanted odors in vehicles. Read More »

    • TSB #150603002H

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190339

      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 »

    • TSB #150089005A

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190338

      Essential Tools that Include Consumable Parts (U.S. Only) Read More »

    • TSB #17-NA-331

      Date Announced:
      OCT 01, 2017
      NHTSA ID:
      #10190329

      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 »

    • TSB #PIT5441C

      Date Announced:
      SEP 21, 2017
      NHTSA ID:
      #10157027

      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 »

    • TSB #PIP5519

      Date Announced:
      SEP 13, 2017
      NHTSA ID:
      #10157003

      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 »

    • TSB #PIP5517

      Date Announced:
      SEP 12, 2017
      NHTSA ID:
      #10157000

      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 »

    • TSB #PIT5389E

      Date Announced:
      SEP 11, 2017
      NHTSA ID:
      #10156999

      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 »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #20NA224

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10187419

      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 »

    • TSB #PIT5099D

      Date Announced:
      OCT 10, 2018
      NHTSA ID:
      #10147367

      This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Read More »

    • TSB #PIT5099C

      Date Announced:
      JUN 20, 2018
      NHTSA ID:
      #10143449

      This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Read More »

    • TSB #16-NA-394

      Date Announced:
      NOV 01, 2017
      NHTSA ID:
      #10190257

      Poor A/C Performance Read More »

    • TSB #16NA394

      Date Announced:
      OCT 27, 2017
      NHTSA ID:
      #10134571

      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 »