Technical Service Bulletins (TSBs) for the 2020 Blazer 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 #PIT5481E

      Date Announced:
      SEP 04, 2019
      NHTSA ID:
      #10165865

      This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. 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 »

    SUSPENSION

    • 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 #PIT5825B

      Date Announced:
      APR 06, 2021
      NHTSA ID:
      #10193433

      This Preliminary information communicates information regarding a Vibration Type Noise from the metal gasket tabs between the front exhaust and muffler. Read More »

    • TSB #PIT5825A

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10190434

      This Preliminary information communicates information regarding a Vibration Type Noise from the metal gasket tabs between the front exhaust and muffler. Read More »

    • TSB #PIT5825

      Date Announced:
      MAR 16, 2021
      NHTSA ID:
      #10190404

      This Preliminary information communicates information regarding a Vibration Type Noise from the metal gasket tabs between the front exhaust and muffler. Read More »

    • TSB #20NA033

      Date Announced:
      JAN 25, 2021
      NHTSA ID:
      #10187754

      This technical bulletin provides a procedure to modify the rear suspension rebound pin and reinstall to correct a condition of Squeak/Creak Noise from Rear Suspension. Read More »

    • TSB #20NA033

      Date Announced:
      MAR 26, 2020
      NHTSA ID:
      #10174279

      This technical bulletin provides a procedure to modify the rear suspension rebound pin and reinstall to correct a condition of Squeak/Creak Noise from Rear Suspension. Read More »

    • TSB #20NA033

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10172809

      This technical bulletin provides a procedure to modify the rear suspension rebound pin and reinstall to correct a condition of Squeak/Creak Noise from Rear Suspension. Read More »

    SUSPENSION:FRONT:SHOCK ABSORBER

    • 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 »

    SUSPENSION:FRONT:MACPHERSON STRUT

    • 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 »

    SUSPENSION:FRONT:WHEEL BEARING

    • TSB #20NA146

      Date Announced:
      JUL 29, 2020
      NHTSA ID:
      #10178979

      THis technical bulletin provides a procedure to apply tape to correct the condition of Front End Noise While Driving at Highway Speeds. Read More »

    BRAKES (PWS)

    • TSB #20NA073

      Date Announced:
      SEP 22, 2020
      NHTSA ID:
      #10181688

      This technical bulletin provides repair information to correct a customer concern of Loss of Brake Assist, Various Messages Displayed in Driver Information Center (DIC), Brake Pedal Travel and Apply May Feel Different, One or More of the ... Read More »

    • TSB #20NA073

      Date Announced:
      MAY 29, 2020
      NHTSA ID:
      #10176626

      This technical bulletin provides repair information to correct a customer concern of Loss of Brake Assist, Various Messages Displayed in DIC, Brake Pedal Travel and Apply May Feel Different, DTC C0024 Set. Read More »

    • TSB #20NA073

      Date Announced:
      MAY 29, 2020
      NHTSA ID:
      #10176628

      This technical bulletin provides repair information to correct a customer concern of Loss of Brake Assist, Various Messages Displayed in DIC, Brake Pedal Travel and Apply May Feel Different, DTC C0024 Set. Read More »

    • TSB #20NA073

      Date Announced:
      APR 16, 2020
      NHTSA ID:
      #10175760

      This technical bulletin provides repair information to correct a customer concern of Loss of Brake Assist, Various Messages Displayed in DIC, Brake Pedal Travel and Apply May Feel Different, DTC C0024 Set. Read More »

    • TSB #N202294820

      Date Announced:
      FEB 21, 2020
      NHTSA ID:
      #10172668

      Customer Satisfaction Program - The brake system control module software in these vehicles may contain an error. Read More »

    SERVICE BRAKES, HYDRAULIC

    • TSB #PIP4723F

      Date Announced:
      JAN 14, 2022
      NHTSA ID:
      #10208027

      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 #17NA271

      Date Announced:
      AUG 07, 2020
      NHTSA ID:
      #10180296

      This bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customers concern of wheel clicking. Read More »

    SERVICE BRAKES, ELECTRIC

    • TSB #N202298770

      Date Announced:
      JUN 15, 2020
      NHTSA ID:
      #10177364

      Customer Satisfaction Program - Certain vehicles, equipped with 4 Cyl gas engines, may have incorrect instructions in the owner?s manual for Dinghy and Dolly Towing. Read More »

    SERVICE BRAKES, HYDRAULIC:POWER ASSIST

    • TSB #20NA071

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184483

      This technical bulletin provides repair information to correct a customer concern of the Service Engine Soon Lamp illuminated and/or Service Power Brake Assist message displayed, with DTCs P0557 or P0558 Stored. Read More »

    • TSB #20NA071

      Date Announced:
      JUN 01, 2020
      NHTSA ID:
      #10178266

      This technical bulletin provides repair information to correct a customer concern of the Service Engine Soon Lamp illuminated and/or Service Power Brake Assist message displayed, with DTCs P0557 or P0558 Stored. Read More »

    • TSB #20NA071

      Date Announced:
      MAR 20, 2020
      NHTSA ID:
      #10174291

      This technical bulletin provides repair information to correct a customer concern of the Service Engine Soon Lamp illuminated and/or Service Power Brake Assist message displayed, with DTCs P0557 or P0558 Stored. Read More »

    PARKING BRAKE

    • TSB #PIT5662G

      Date Announced:
      MAR 25, 2022
      NHTSA ID:
      #10210345

      This Preliminary information communicates information to diagnose DTC C056D or C056E. Read More »

    • TSB #PIT5662F

      Date Announced:
      AUG 19, 2021
      NHTSA ID:
      #10201321

      This Preliminary information communicates information to diagnose DTC C056D or C056E. Read More »

    ENGINE (PWS)

    • TSB #12-00-89-003B

      Date Announced:
      MAY 02, 2022
      NHTSA ID:
      #10211658

      This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only). Read More »

    • TSB #PIT5847C

      Date Announced:
      MAR 29, 2022
      NHTSA ID:
      #10210349

      This Preliminary information communicates that a vehicle may come into the dealer with various concerns which may include a service engine light or various warning messages on the DIC. Read More »

    • TSB #PIP5632F

      Date Announced:
      JAN 14, 2022
      NHTSA ID:
      #10208029

      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 #21NA276

      Date Announced:
      NOV 24, 2021
      NHTSA ID:
      #10205593

      This service bulletin provides a procedure to correct a customer concern of Starter Not Cranking Engine, Grinding Noise When Starting?. Read More »

    • TSB #21NA278

      Date Announced:
      NOV 23, 2021
      NHTSA ID:
      #10205594

      This service bulletin provides diagnostic strategy information to aid in diagnosing a Ticking, Tap or Rattle Noise from Engine with Possible Misfire, Malfunction Indicator Lamp (MIL) Illuminated. Read More »

    • TSB #19NA256

      Date Announced:
      AUG 20, 2021
      NHTSA ID:
      #10205052

      This service bulletin provides diagnostic aid information/procedures to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from ... Read More »

    • TSB #PIT5847A

      Date Announced:
      AUG 16, 2021
      NHTSA ID:
      #10201312

      This Preliminary information communicates that a vehicle may come into the dealer with various concerns which may include a service engine light or various warning messages on the DIC. Read More »

    • TSB #18NA073

      Date Announced:
      AUG 06, 2021
      NHTSA ID:
      #10205048

      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 #19NA256

      Date Announced:
      MAY 24, 2021
      NHTSA ID:
      #10199244

      This service bulletin provides diagnostic aid procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine. Read More »

    • TSB #21NA118

      Date Announced:
      MAY 19, 2021
      NHTSA ID:
      #10199278

      This technical bulletin provides a procedure to align the exhaust causing a vibration. Read More »

    • TSB #21NA108

      Date Announced:
      MAY 04, 2021
      NHTSA ID:
      #10199270

      This service bulletin provides diagnostic information for the technician regarding a customer concern of engine overheating, cooling system contaminated with engine oil. Read More »

    • TSB #21NA088

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10199263

      This service bulletin provides repair information to correct a customer concern of a Check Engine Light Displayed on Driver Information Center (DIC), Engine Cooling Fan Windmilling, DTC P0494 Set. 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 #PIP5730B

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10190391

      This Preliminary information communicates additional diagnostic information for DTC's P0016 and P0018. 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 #20NA071

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184483

      This technical bulletin provides repair information to correct a customer concern of the Service Engine Soon Lamp illuminated and/or Service Power Brake Assist message displayed, with DTCs P0557 or P0558 Stored. 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 #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 #20NA155

      Date Announced:
      SEP 10, 2020
      NHTSA ID:
      #10181694

      This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Message at Start Up or Shortly after Start Up. Read More »

    • TSB #PIE0577

      Date Announced:
      AUG 05, 2020
      NHTSA ID:
      #10180703

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Check Engine Light being illuminated. 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 #PIP5545C

      Date Announced:
      JUL 07, 2020
      NHTSA ID:
      #10178363

      This Preliminary information communicates a possible noise from the water pump causing a DTC and the diagnostics for the repair. Read More »

    • TSB #20NA071

      Date Announced:
      JUN 01, 2020
      NHTSA ID:
      #10178266

      This technical bulletin provides repair information to correct a customer concern of the Service Engine Soon Lamp illuminated and/or Service Power Brake Assist message displayed, with DTCs P0557 or P0558 Stored. Read More »

    • TSB #PIP5730

      Date Announced:
      MAY 26, 2020
      NHTSA ID:
      #10176329

      This Preliminary information communicates additional diagnostic information for DTC's P0016 and P0018. 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 #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 #PIE0559

      Date Announced:
      MAR 11, 2020
      NHTSA ID:
      #10174445

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to engine oil found under their vehicle. Read More »

    • TSB #PIP5712

      Date Announced:
      MAR 03, 2020
      NHTSA ID:
      #10173671

      This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer removal. 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 #PIP5708A

      Date Announced:
      FEB 18, 2020
      NHTSA ID:
      #10172323

      This Preliminary information communicates to the technician the vehicle concern of starter flex plate having broken teeth. This can create a noise during starting or may even have the starter spin but not crank over the engine. Read More »

    • TSB #N202292220

      Date Announced:
      FEB 11, 2020
      NHTSA ID:
      #10172655

      Service Update - Certain vehicles may have only two of the three required heat shield fasteners. Dealers are to install the third bolt in the heat shield at the engine compartment. 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 »

    ENGINE AND ENGINE COOLING

    • TSB #22-NA-094

      Date Announced:
      MAY 13, 2022
      NHTSA ID:
      #10212925

      This service bulletin provides repair information to correct a customer concern of a loss of cabin heat. Read More »

    • TSB #18-NA-115

      Date Announced:
      MAY 02, 2022
      NHTSA ID:
      #10211692

      This service bulletin provides inspection/diagnosis/correction information on a cold start misfire and/or rough idle and DTC P0300 that may also be set. Read More »

    • TSB #22-NA-074

      Date Announced:
      MAR 31, 2022
      NHTSA ID:
      #10209980

      This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system. Read More »

    • TSB #PIT5847C

      Date Announced:
      MAR 29, 2022
      NHTSA ID:
      #10210349

      This Preliminary information communicates that a vehicle may come into the dealer with various concerns which may include a service engine light or various warning messages on the DIC. Read More »

    • TSB #PIP5839A

      Date Announced:
      MAR 28, 2022
      NHTSA ID:
      #10210347

      This Preliminary information communicates the possibility of the engine running hot or overheating with no DTC's due to inaccurate coolant temperature sensor located on the coolant pump outlet pipe. Read More »

    • TSB #22-NA-009

      Date Announced:
      MAR 22, 2022
      NHTSA ID:
      #10209921

      This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters. Read More »

    • TSB #21-NA-036

      Date Announced:
      MAR 11, 2022
      NHTSA ID:
      #10209400

      This service bulletin advises the technician of a diagnostic test for a possible issue with a damaged OCV solenoid that may cause an oil leak and misfire, illuminating the MIL and setting DTCs P0300, P0302 and/or P0305. Read More »

    • TSB #PIP5628E

      Date Announced:
      DEC 14, 2021
      NHTSA ID:
      #10206726

      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 #19NA104

      Date Announced:
      NOV 08, 2021
      NHTSA ID:
      #10205539

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

    • TSB #21NA147

      Date Announced:
      JUN 22, 2021
      NHTSA ID:
      #10200146

      This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated?. Read More »

    • TSB #19NA256

      Date Announced:
      MAY 24, 2021
      NHTSA ID:
      #10198853

      This service bulletin provides diagnostic aid procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine. Read More »

    • TSB #21NA118

      Date Announced:
      MAY 19, 2021
      NHTSA ID:
      #10198887

      This technical bulletin provides a procedure to align the exhaust causing a vibration. Read More »

    • TSB #PIP5804

      Date Announced:
      MAY 05, 2021
      NHTSA ID:
      #10197282

      This Preliminary information communicates the possibility of a inaccurate #1 Coolant Temperature Sensor causing the engine to run hot or overheat with possible over temperature message displayed on ... Read More »

    • TSB #PIP5257E

      Date Announced:
      MAY 04, 2021
      NHTSA ID:
      #10197281

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have oil mixed in with the engine coolant. Read More »

    • TSB #21NA108

      Date Announced:
      MAY 04, 2021
      NHTSA ID:
      #10199270

      This service bulletin provides diagnostic information for the technician regarding a customer concern of engine overheating, cooling system contaminated with engine oil. Read More »

    • TSB #21NA108

      Date Announced:
      MAY 04, 2021
      NHTSA ID:
      #10198879

      This service bulletin provides diagnostic information for the technician regarding a customer concern of engine overheating, cooling system contaminated with engine oil. 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 #21NA088

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10198872

      This service bulletin provides repair information to correct a customer concern of a Check Engine Light Displayed on Driver Information Center (DIC), Engine Cooling Fan Windmilling, DTC P0494 Set. Read More »

    • TSB #PIT5825B

      Date Announced:
      APR 06, 2021
      NHTSA ID:
      #10193433

      This Preliminary information communicates information regarding a Vibration Type Noise from the metal gasket tabs between the front exhaust and muffler. Read More »

    • TSB #PIT5825A

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10190434

      This Preliminary information communicates information regarding a Vibration Type Noise from the metal gasket tabs between the front exhaust and muffler. Read More »

    • TSB #PIT5825

      Date Announced:
      MAR 16, 2021
      NHTSA ID:
      #10190404

      This Preliminary information communicates information regarding a Vibration Type Noise from the metal gasket tabs between the front exhaust and muffler. 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 #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 #PIE0577A

      Date Announced:
      OCT 21, 2020
      NHTSA ID:
      #10183787

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Check Engine Light being illuminated. Read More »

    • TSB #PIP5755

      Date Announced:
      SEP 30, 2020
      NHTSA ID:
      #10181178

      This Preliminary information communicates the possibility of a engine oil leak that may occur at the cam carrier gasket T joint area due to improper amount of sealer be applied Read More »

    • TSB #19NA020

      Date Announced:
      SEP 11, 2020
      NHTSA ID:
      #10181678

      This informational bulletin provides information on the new oil filter UPF63R to be used on the HFV6 Engines. Read More »

    • TSB #18NA115

      Date Announced:
      SEP 02, 2020
      NHTSA ID:
      #10181670

      This Bulletin provides inspection/diagnosis/correction information on a cold start misfire and/or rough idle and DTC P0300 that may also be set. Read More »

    • TSB #PIP5095G

      Date Announced:
      JUL 02, 2020
      NHTSA ID:
      #10178361

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. Read More »

    • TSB #PIE0559A

      Date Announced:
      JUN 10, 2020
      NHTSA ID:
      #10178295

      This engineering information (EI) closure ends the need for information from technicians/field in regards to engine oil found under their vehicle. Read More »

    • TSB #PIP5257E

      Date Announced:
      JUN 01, 2020
      NHTSA ID:
      #10178302

      This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have oil mixed in with the engine coolant. Read More »

    • 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 #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 #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 »

    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: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 »

    ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN

    • TSB #16NA222

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10212588

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

    ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

    • TSB #21NA257

      Date Announced:
      DEC 14, 2021
      NHTSA ID:
      #10207917

      This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3075 Set. Read More »

    • TSB #21NA256

      Date Announced:
      DEC 13, 2021
      NHTSA ID:
      #10207916

      This service bulletin provides repair information for dealers/technicians to correct a customer concern of a Malfunction Indicator Lamp Illuminated with DTC P26BB Set. 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 »

    ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR

    • TSB #PIP5712B

      Date Announced:
      MAR 26, 2021
      NHTSA ID:
      #10190430

      This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer or cam drive system component related ... Read More »

    • TSB #PIP5712A

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10190396

      This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer removal. Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM

    • TSB #21NA257

      Date Announced:
      NOV 12, 2021
      NHTSA ID:
      #10205577

      This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3075 Set. 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 »

    FUEL SYSTEM, GASOLINE

    • TSB #PIP4723F

      Date Announced:
      JAN 14, 2022
      NHTSA ID:
      #10208027

      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 »

    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: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 »

    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 »

    POWER TRAIN

    • TSB #21-NA-181

      Date Announced:
      APR 08, 2022
      NHTSA ID:
      #10210404

      This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation. Read More »

    • TSB #21-NA-169

      Date Announced:
      APR 07, 2022
      NHTSA ID:
      #10210286

      This service bulletin provides diagnostic information/procedures to aid the service technician in diagnosing 9T45/50/60 automatic transmissions with low mileage and DTCs current or history related to the control solenoids and valves. Read More »

    • TSB #21NA181

      Date Announced:
      DEC 21, 2021
      NHTSA ID:
      #10207910

      This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation. Read More »

    • TSB #20NA136

      Date Announced:
      NOV 23, 2021
      NHTSA ID:
      #10205541

      This informational bulletin describes/outlines the process for the 9T65 Automatic Transmission Replacement Pilot Program (U.S. Only). Read More »

    • TSB #PIP5608H

      Date Announced:
      SEP 01, 2021
      NHTSA ID:
      #10202384

      This Preliminary information communicates to perform a transmission fluid drain and fill to correct a TCC shudder concern. Read More »

    • TSB #PIP5608G

      Date Announced:
      AUG 24, 2021
      NHTSA ID:
      #10201325

      This Preliminary information communicates to perform a transmission fluid drain and fill to correct a TCC shudder concern. Read More »

    • TSB #20NA136

      Date Announced:
      AUG 05, 2021
      NHTSA ID:
      #10205060

      This informational bulletin describes/outlines the process for the 9T65 Automatic Transmission Replacement Pilot Program (U.S. Only). Read More »

    • TSB #PIP5708B

      Date Announced:
      JUL 28, 2021
      NHTSA ID:
      #10201262

      This Preliminary information communicates to the technician the vehicle concern of starter flex plate having broken teeth. This can create a noise during starting or may even have the starter spin but not crank over the engine. 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 #PIP5608F

      Date Announced:
      JUN 29, 2021
      NHTSA ID:
      #10201297

      This Preliminary information communicates to perform a transmission fluid drain and fill to correct a TCC shudder concern. 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 #20NA136

      Date Announced:
      MAY 26, 2021
      NHTSA ID:
      #10199248

      This informational bulletin describes/outlines the process for the 9T65 Automatic Transmission Replacement Pilot Program (U.S. Only). Read More »

    • TSB #20NA136

      Date Announced:
      MAY 26, 2021
      NHTSA ID:
      #10198857

      This informational bulletin describes/outlines the process for the 9T65 Automatic Transmission Replacement Pilot Program (U.S. Only). Read More »

    • TSB #PIP5720A

      Date Announced:
      MAY 06, 2021
      NHTSA ID:
      #10197283

      This Preliminary information communicates that a possible trans fluid leak found may only be residual fluid that was left during the assembly process with no repairs needed if no dye is detected after cleaning and re-evaluation. 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 #PIP5802

      Date Announced:
      APR 09, 2021
      NHTSA ID:
      #10193444

      This Preliminary information communicates diagnostic assistance for DTC's P219A and P219B. Read More »

    • TSB #PIP5712B

      Date Announced:
      MAR 26, 2021
      NHTSA ID:
      #10190430

      This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer or cam drive system component related ... 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 #N202321840

      Date Announced:
      JAN 14, 2021
      NHTSA ID:
      #10187228

      Service Update. On certain vehicles equipped with automatic transmissions, the clutch spring retaining ring may not be fully seated. 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 #19NA076

      Date Announced:
      NOV 30, 2020
      NHTSA ID:
      #10184482

      This technical bulletin provides repair information to correct a customer concern of Blue or Black Screen and Service Rear Vision System Message on Radio Display Shifting into Reverse. Read More »

    • TSB #20NA136

      Date Announced:
      SEP 25, 2020
      NHTSA ID:
      #10181692

      This informational bulletin describes/outlines the process for the 9T65 Automatic Transmission Replacement Pilot Program (U.S. Only). 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 #20NA136

      Date Announced:
      AUG 18, 2020
      NHTSA ID:
      #10180312

      This informational bulletin describes/outlines the process for the 9T65 Automatic Transmission Replacement Pilot Program (U.S. Only). 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 #PIP5720A

      Date Announced:
      JUL 28, 2020
      NHTSA ID:
      #10178388

      This Preliminary information communicates that a possible trans fluid leak found may only be residual fluid that was left during the assembly process with no repairs needed if no dye is detected after cleaning and re-evaluation. Read More »

    • TSB #20NA136

      Date Announced:
      JUN 26, 2020
      NHTSA ID:
      #10178286

      This informational bulletin describes/outlines the process for the 9T65 Automatic Transmission Replacement Pilot Program (U.S. Only). 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 #20NA071

      Date Announced:
      APR 17, 2020
      NHTSA ID:
      #10175759

      This technical bulletin provides repair information to correct a customer concern of the Service Engine Soon Lamp illuminated and/or Service Power Brake Assist message displayed, with DTCs P0557 or P0558 Stored. 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 #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 #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 #PIP5608C

      Date Announced:
      OCT 07, 2019
      NHTSA ID:
      #10167428

      This Preliminary information communicates to perform a transmission fluid drain and fill to correct a TCC shudder concern. 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 »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #21NA169

      Date Announced:
      NOV 29, 2021
      NHTSA ID:
      #10205554

      This service bulletin provides diagnostic information/procedures to aid the service technician in diagnosing 9T45/50/60 automatic transmissions with low mileage and DTCs current or history related to the control solenoids and valves. 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 #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 #20NA060

      Date Announced:
      MAR 09, 2020
      NHTSA ID:
      #10174082

      This technical bulletin provides a procedure to replace the front differential carrier sun gear if found the cause of the high pitch noise from the transmission. 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 »

    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 »

    • TSB #PIP5720A

      Date Announced:
      JUL 28, 2020
      NHTSA ID:
      #10178388

      This Preliminary information communicates that a possible trans fluid leak found may only be residual fluid that was left during the assembly process with no repairs needed if no dye is detected after cleaning and re-evaluation. Read More »

    • TSB #PIP5608D

      Date Announced:
      JUL 15, 2020
      NHTSA ID:
      #10178372

      This Preliminary information communicates to perform a transmission fluid drain and fill to correct a TCC shudder concern. Read More »

    ELECTRICAL SYSTEM

    • TSB #PIT5847C

      Date Announced:
      MAR 29, 2022
      NHTSA ID:
      #10210349

      This Preliminary information communicates that a vehicle may come into the dealer with various concerns which may include a service engine light or various warning messages on the DIC. Read More »

    • TSB #PIP4670J

      Date Announced:
      MAR 28, 2022
      NHTSA ID:
      #10210348

      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 #19-NA-076

      Date Announced:
      MAR 25, 2022
      NHTSA ID:
      #10209756

      This service bulletin provides repair information to correct a customer concern of Blue or Black Screen and Service Rear Vision System Message on Radio Display Shifting into Reverse. Read More »

    • TSB #21-NA-036

      Date Announced:
      MAR 11, 2022
      NHTSA ID:
      #10209400

      This service bulletin advises the technician of a diagnostic test for a possible issue with a damaged OCV solenoid that may cause an oil leak and misfire, illuminating the MIL and setting DTCs P0300, P0302 and/or P0305. Read More »

    • TSB #PIC6450

      Date Announced:
      FEB 24, 2022
      NHTSA ID:
      #10208991

      This Preliminary information communicates a process to correct the concern of Unable to contact OnStar after the 3G EOL on 2015-2022 model year vehicles in the United States. Read More »

    • TSB #PIT5745C

      Date Announced:
      FEB 14, 2022
      NHTSA ID:
      #10208983

      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 #21NA279

      Date Announced:
      NOV 29, 2021
      NHTSA ID:
      #10205595

      This service bulletin provides a procedure to replace the starter if found the cause of the rattle noise. Read More »

    • TSB #21NA276

      Date Announced:
      NOV 24, 2021
      NHTSA ID:
      #10205593

      This service bulletin provides a procedure to correct a customer concern of Starter Not Cranking Engine, Grinding Noise When Starting?. Read More »

    • TSB #21NA278

      Date Announced:
      NOV 23, 2021
      NHTSA ID:
      #10205594

      This service bulletin provides diagnostic strategy information to aid in diagnosing a Ticking, Tap or Rattle Noise from Engine with Possible Misfire, Malfunction Indicator Lamp (MIL) Illuminated. Read More »

    • TSB #PIT5847B

      Date Announced:
      SEP 15, 2021
      NHTSA ID:
      #10202393

      This Preliminary information communicates that a vehicle may come into the dealer with various concerns which may include a service engine light or various warning messages on the DIC. Read More »

    • TSB #PIC6438B

      Date Announced:
      AUG 19, 2021
      NHTSA ID:
      #10201318

      This Preliminary information communicates a condition where the Video Processing Control Module is not able to be programmed to the vehicle. This PI offeres a couple workarounds while Engineering evaluates the concern. Read More »

    • TSB #PIT5839B

      Date Announced:
      AUG 18, 2021
      NHTSA ID:
      #10201317

      This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution. Read More »

    • TSB #PIT5847A

      Date Announced:
      AUG 16, 2021
      NHTSA ID:
      #10201312

      This Preliminary information communicates that a vehicle may come into the dealer with various concerns which may include a service engine light or various warning messages on the DIC. Read More »

    • TSB #PIC6438A

      Date Announced:
      AUG 09, 2021
      NHTSA ID:
      #10201307

      This Preliminary information communicates a condition where the Video Processing Control Module is not able to be programmed to the vehicle. This PI offeres a couple workarounds while Engineering evaluates the concern. Read More »

    • TSB #PIP5708B

      Date Announced:
      JUL 28, 2021
      NHTSA ID:
      #10201262

      This Preliminary information communicates to the technician the vehicle concern of starter flex plate having broken teeth. This can create a noise during starting or may even have the starter spin but not crank over the engine. Read More »

    • TSB #PIP5814

      Date Announced:
      JUL 18, 2021
      NHTSA ID:
      #10201247

      This Preliminary information communicates that there some service parts released to dealers missing software.  Read More »

    • TSB #PIT5700C

      Date Announced:
      JUN 28, 2021
      NHTSA ID:
      #10201296

      This Preliminary information communicates that a vehicle may come to the dealer with a "service front camera" message. Read More »

    • TSB #PIT5845

      Date Announced:
      JUN 25, 2021
      NHTSA ID:
      #10201294

      This Preliminary information communicates information to diagnose adaptive cruse with DTC U0422 in the EBCM. 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 #PIC6438

      Date Announced:
      JUN 18, 2021
      NHTSA ID:
      #10201290

      This Preliminary information communicates a condition where the Video Processing Control Module is not able to be programmed to the vehicle. This PI offeres a couple workarounds while Engineering evaluates the concern. Read More »

    • TSB #19NA076

      Date Announced:
      MAY 25, 2021
      NHTSA ID:
      #10199239

      This service bulletin provides repair information to correct a customer concern of Blue or Black Screen and Service Rear Vision System Message on Radio Display Shifting into Reverse. 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 #PIT5843

      Date Announced:
      MAY 17, 2021
      NHTSA ID:
      #10197300

      This Preliminary information communicates that a vehicle may come to the dealer with concerns of various warning messages, possibly the door locks cycling, passive entry inoperative or other concerns. Read More »

    • TSB #18NA279

      Date Announced:
      MAY 12, 2021
      NHTSA ID:
      #10199234

      This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. 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 #PIE0628

      Date Announced:
      APR 16, 2021
      NHTSA ID:
      #10195156

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp illuminated on Driver Information Center (DIC) ... 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 #030846004X

      Date Announced:
      JAN 26, 2021
      NHTSA ID:
      #10188402

      This service bulletin announces that the Part Restriction and Ordering Process Information for OnStar® Vehicle Communication Interface Modules (VCIM) (GMNA Only) has ended. Read More »

    • TSB #PIE0588B

      Date Announced:
      JAN 20, 2021
      NHTSA ID:
      #10188407

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to multiple DTC?s set after a battery discharge, jump start and/or battery ... Read More »

    • TSB #PIE0608A

      Date Announced:
      JAN 13, 2021
      NHTSA ID:
      #10188417

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service AWD Lamp illuminated on the Driver Information Center (DIC) ... Read More »

    • TSB #PIE0608

      Date Announced:
      JAN 08, 2021
      NHTSA ID:
      #10188416

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service AWD Lamp illuminated on the Driver Information Center (DIC) ... Read More »

    • TSB #20NA232

      Date Announced:
      DEC 15, 2020
      NHTSA ID:
      #10187426

      This service bulletin provides a service procedure to correct a customer concern of Power Liftgate Stops When Opening and/or Will Not Close from Open Position DTC B153F Sets. Read More »

    • TSB #PIP5675G

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10182571

      This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. Read More »

    • TSB #20NA196

      Date Announced:
      OCT 27, 2020
      NHTSA ID:
      #10183198

      This service bulletin provides information and a service procedure for dealers/technicians on OnStar Over the Air Update for TTY / TDD Operation and Continuous Improvement Changes. Read More »

    • TSB #PIE0588A

      Date Announced:
      OCT 26, 2020
      NHTSA ID:
      #10183793

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to multiple DTC's set after a battery discharge, jump start and/or battery ... 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 #PIP5675F

      Date Announced:
      OCT 14, 2020
      NHTSA ID:
      #10182554

      This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. Read More »

    • TSB #PIE0588

      Date Announced:
      OCT 13, 2020
      NHTSA ID:
      #10183792

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to multiple DTC?s set after a battery discharge, jump start and/or battery ... 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 #20NA134

      Date Announced:
      SEP 10, 2020
      NHTSA ID:
      #10181690

      This technical bulletin provides repair information to correct a customer concern of seeing SD Card Removed error message displayed in the Driver Information Center (DIC). 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 #PIE0579

      Date Announced:
      JUL 30, 2020
      NHTSA ID:
      #10179538

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the malfunction indicator lamp (MIL) illuminated. Read More »

    • TSB #PIT5737B

      Date Announced:
      JUL 09, 2020
      NHTSA ID:
      #10178366

      This Preliminary information communicates an XM service concern of no audio at startup until a channel change and directs to contact XM for direct support. Read More »

    • TSB #PIP5095G

      Date Announced:
      JUL 02, 2020
      NHTSA ID:
      #10178361

      This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. Read More »

    • 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 #PIP5675E

      Date Announced:
      JUN 25, 2020
      NHTSA ID:
      #10178346

      This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. 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 #20NA071

      Date Announced:
      JUN 01, 2020
      NHTSA ID:
      #10178266

      This technical bulletin provides repair information to correct a customer concern of the Service Engine Soon Lamp illuminated and/or Service Power Brake Assist message displayed, with DTCs P0557 or P0558 Stored. Read More »

    • TSB #19NA243

      Date Announced:
      MAY 29, 2020
      NHTSA ID:
      #10176616

      This technical bulletin provides a procedure for replacing the body plugs due to water leaking through the body plug above the connector X500 causing the connector to be corroded. Read More »

    • TSB #070604025M

      Date Announced:
      MAY 28, 2020
      NHTSA ID:
      #10176648

      This informational bulletin provides information on Clicking/Ticking Sound/Noise Heard During Cold Start and that this should be considered a normal characteristic. Read More »

    • 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 #PIE0567

      Date Announced:
      MAY 04, 2020
      NHTSA ID:
      #10176654

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to SD Code messages displayed on the Radio Screen and/or Instrument Cluster - ... Read More »

    • TSB #20NA012

      Date Announced:
      APR 20, 2020
      NHTSA ID:
      #10175756

      This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »

    • TSB #20NA071

      Date Announced:
      APR 17, 2020
      NHTSA ID:
      #10175759

      This technical bulletin provides repair information to correct a customer concern of the Service Engine Soon Lamp illuminated and/or Service Power Brake Assist message displayed, with DTCs P0557 or P0558 Stored. Read More »

    • TSB #20NA073

      Date Announced:
      APR 16, 2020
      NHTSA ID:
      #10175760

      This technical bulletin provides repair information to correct a customer concern of Loss of Brake Assist, Various Messages Displayed in DIC, Brake Pedal Travel and Apply May Feel Different, DTC C0024 Set. Read More »

    • TSB #19NA076

      Date Announced:
      APR 15, 2020
      NHTSA ID:
      #10175749

      This technical bulletin provides repair information to correct a customer concern of Blue Screen and Service Rear Vision System Message on Radio Display. 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 #PIP5675B

      Date Announced:
      MAR 16, 2020
      NHTSA ID:
      #10173703

      This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. Read More »

    • TSB #20NA067

      Date Announced:
      MAR 13, 2020
      NHTSA ID:
      #10174088

      This informational bulletin provides information for dealers/technicians on Accessory Rear Seat Infotainment (RSI) Shuts Off, Coinciding with Closing of Door or Liftgate. 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 #N202294820

      Date Announced:
      FEB 21, 2020
      NHTSA ID:
      #10172668

      Customer Satisfaction Program - The brake system control module software in these vehicles may contain an error. Read More »

    • TSB #PIP5708

      Date Announced:
      JAN 31, 2020
      NHTSA ID:
      #10171319

      This Preliminary information communicates to the technician the vehicle concern of starter flex plate having broken teeth. The can create a noise during starting or may even have the starter spin but not crank over the engine. Read More »

    • TSB #PIT5411R

      Date Announced:
      JAN 23, 2020
      NHTSA ID:
      #10171300

      This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance ... Read More »

    • TSB #030846004W

      Date Announced:
      JAN 13, 2020
      NHTSA ID:
      #10172292

      This bulletin provides information regarding Part Restriction and Ordering Process Information for OnStar® Vehicle Communication Interface Modules (VCIM) (GMNA Only). 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 #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 »

    ELECTRICAL SYSTEM:HORN

    • TSB #19NA160

      Date Announced:
      JAN 06, 2020
      NHTSA ID:
      #10171893

      This technical bulletin provides repair information to correct a customer concern of Intermittent or Continuous Horn Blowing, Horn Activation Sensitive to the Touch. Read More »

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

    • TSB #20NA132

      Date Announced:
      AUG 06, 2021
      NHTSA ID:
      #10205059

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

    • TSB #N202298770

      Date Announced:
      JUN 15, 2020
      NHTSA ID:
      #10177364

      Customer Satisfaction Program - Certain vehicles, equipped with 4 Cyl gas engines, may have incorrect instructions in the owner?s manual for Dinghy and Dolly Towing. Read More »

    ELECTRICAL SYSTEM:WIRING

    • TSB #PIT5847

      Date Announced:
      JUL 13, 2021
      NHTSA ID:
      #10201181

      This Preliminary information communicates that a vehicle may come into the dealer with various concerns which may include a service engine light or various warning messages on the DIC. Read More »

    ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER

    • TSB #21NA061

      Date Announced:
      MAR 22, 2021
      NHTSA ID:
      #10192031

      This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs (North America ONLY). Read More »

    ELECTRICAL SYSTEM:IGNITION:COIL:SPARK PLUGS

    • TSB #21NA147

      Date Announced:
      JUN 22, 2021
      NHTSA ID:
      #10200146

      This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated?. Read More »

    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 »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #PIP5675G

      Date Announced:
      DEC 15, 2021
      NHTSA ID:
      #10206730

      This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. Read More »

    • TSB #21NA256

      Date Announced:
      DEC 13, 2021
      NHTSA ID:
      #10207916

      This service bulletin provides repair information for dealers/technicians to correct a customer concern of a Malfunction Indicator Lamp Illuminated with DTC P26BB Set. Read More »

    • TSB #21NA145

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200144

      This service bulletin provides U157 software update information to correct customer concerns of radio Software related issues. Read More »

    • TSB #20NA199

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10186084

      This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. Read More »

    • TSB #20NA199

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10187411

      This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. 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 #20NA199

      Date Announced:
      NOV 09, 2020
      NHTSA ID:
      #10184493

      This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. Read More »

    • TSB #20NA199

      Date Announced:
      SEP 21, 2020
      NHTSA ID:
      #10181722

      This technical bulletin provides repair information to correct a customer concern of Radio Software Version U150 Update. Read More »

    • TSB #20NA155

      Date Announced:
      SEP 10, 2020
      NHTSA ID:
      #10181694

      This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Message at Start Up or Shortly after Start Up. Read More »

    • TSB #20NA012

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10178261

      This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »

    • TSB #19NA269

      Date Announced:
      MAY 18, 2020
      NHTSA ID:
      #10176618

      This Technical bulletin provides a service procedure for dealers/technicians on installation of Radio Software Version U148 Over-the-Air Update. Read More »

    • TSB #20NA012

      Date Announced:
      MAR 24, 2020
      NHTSA ID:
      #10174276

      This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »

    ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:SOFTWARE

    • TSB #PIT5839C

      Date Announced:
      JAN 04, 2022
      NHTSA ID:
      #10208007

      This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution. 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:ADAS:PARKING ASSIST:WARNING

    • TSB #PIT5662F

      Date Announced:
      AUG 19, 2021
      NHTSA ID:
      #10201321

      This Preliminary information communicates information to diagnose DTC C056D or C056E. Read More »

    EXTERIOR LIGHTING

    • TSB #21NA005

      Date Announced:
      DEC 16, 2021
      NHTSA ID:
      #10212564

      This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion. Read More »

    • TSB #21NA257

      Date Announced:
      DEC 14, 2021
      NHTSA ID:
      #10207917

      This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3075 Set. Read More »

    • TSB #21NA256

      Date Announced:
      DEC 13, 2021
      NHTSA ID:
      #10207916

      This service bulletin provides repair information for dealers/technicians to correct a customer concern of a Malfunction Indicator Lamp Illuminated with DTC P26BB Set. Read More »

    • TSB #21NA256

      Date Announced:
      NOV 09, 2021
      NHTSA ID:
      #10205576

      This service bulletin provides repair information for dealers/technicians to correct a customer concern of a Malfunction Indicator Lamp Illuminated with DTC P26BB Set. 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 #PIE0628

      Date Announced:
      APR 16, 2021
      NHTSA ID:
      #10195156

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp illuminated on Driver Information Center (DIC) ... Read More »

    • TSB #N202321840

      Date Announced:
      JAN 14, 2021
      NHTSA ID:
      #10187228

      Service Update. On certain vehicles equipped with automatic transmissions, the clutch spring retaining ring may not be fully seated. 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 »

    VISIBILITY

    • TSB #19NA076

      Date Announced:
      NOV 30, 2020
      NHTSA ID:
      #10184482

      This technical bulletin provides repair information to correct a customer concern of Blue or Black Screen and Service Rear Vision System Message on Radio Display Shifting into Reverse. Read More »

    • TSB #PIT5720A

      Date Announced:
      SEP 29, 2020
      NHTSA ID:
      #10181177

      This Preliminary information communicates that a customer may come to the dealer with a complaint of a hum, drone or pulsing type noise at times. Read More »

    • TSB #PIT5720

      Date Announced:
      NOV 14, 2019
      NHTSA ID:
      #10168967

      This Preliminary information communicates that a customer may come to the dealer with a complaint of a hum, drone or pulsing type noise at times. Read More »

    • TSB #PIE0534A

      Date Announced:
      SEP 09, 2019
      NHTSA ID:
      #10166669

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the rear wiper motor being inoperative and/or stuck in the middle of the ... Read More »

    • TSB #PIE0534

      Date Announced:
      AUG 19, 2019
      NHTSA ID:
      #10165140

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the rear wiper motor being inoperative and/or stuck in the middle of the ... 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 »

    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:SUN/MOON ROOF ASSEMBLY

    • TSB #PIC5260E

      Date Announced:
      APR 19, 2022
      NHTSA ID:
      #10211770

      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 »

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS

    • TSB #21NA256

      Date Announced:
      NOV 09, 2021
      NHTSA ID:
      #10205576

      This service bulletin provides repair information for dealers/technicians to correct a customer concern of a Malfunction Indicator Lamp Illuminated with DTC P26BB Set. Read More »

    VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:AIR HANDLER/CHAMBER, DUCTS, AND VALVES

    • TSB #PIP5683A

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10190392

      This Preliminary information communicates a concern with plastic flashing inside the fresh air intake duct for the PCV clean air and the recommended repair. Read More »

    AIR BAGS

    • TSB #21NA005

      Date Announced:
      DEC 16, 2021
      NHTSA ID:
      #10212564

      This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion. 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 #N202321840

      Date Announced:
      JAN 14, 2021
      NHTSA ID:
      #10187228

      Service Update. On certain vehicles equipped with automatic transmissions, the clutch spring retaining ring may not be fully seated. Read More »

    • TSB #PIP5675D

      Date Announced:
      MAY 20, 2020
      NHTSA ID:
      #10176324

      This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. Read More »

    STRUCTURE

    • TSB #22-NA-057

      Date Announced:
      MAY 11, 2022
      NHTSA ID:
      #10212922

      This technical bulletin provides a procedure replace the tappet that is located on the fuel door. Read More »

    • TSB #22-NA-057

      Date Announced:
      APR 21, 2022
      NHTSA ID:
      #10210840

      This technical bulletin provides a procedure replace the tappet that is located on the fuel door. Read More »

    • TSB #PI0281I

      Date Announced:
      APR 07, 2022
      NHTSA ID:
      #10210441

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

    • TSB #21-NA-038

      Date Announced:
      MAR 29, 2022
      NHTSA ID:
      #10209960

      This technical bulletin provides repair information to correct a customer concern of a humming noise heard coming from front end of vehicle when driving at highway speeds. 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 #19NA111

      Date Announced:
      SEP 15, 2020
      NHTSA ID:
      #10181682

      This technical bulletin provides repair information to correct a customer concern of hearing a ticking noise coming from upper B-pillar area. Read More »

    • TSB #20NA146

      Date Announced:
      JUL 29, 2020
      NHTSA ID:
      #10178979

      THis technical bulletin provides a procedure to apply tape to correct the condition of Front End Noise While Driving at Highway Speeds. 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 #PIT5679A

      Date Announced:
      FEB 21, 2020
      NHTSA ID:
      #10172330

      This Preliminary information communicates that a vehicle may be encountered with a "service park assist system" message or a rear lift gate that will not open passively. 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 »

    STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS

    • TSB #PI0281I

      Date Announced:
      APR 07, 2022
      NHTSA ID:
      #10210441

      This preliminary informational (PI) 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 #19NA111

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183148

      This technical bulletin provides repair information to correct a customer concern of hearing a ticking noise coming from upper B-pillar area. Read More »

    • TSB #18NA279

      Date Announced:
      JAN 22, 2020
      NHTSA ID:
      #10171887

      This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »

    STRUCTURE:BODY:HATCHBACK/LIFTGATE

    • TSB #20NA232

      Date Announced:
      DEC 15, 2020
      NHTSA ID:
      #10187426

      This service bulletin provides a service procedure to correct a customer concern of Power Liftgate Stops When Opening and/or Will Not Close from Open Position DTC B153F Sets. Read More »

    STRUCTURE:BODY:HATCHBACK/LIFTGATE:SUPPORT DEVICE/STRUT

    • TSB #20NA232

      Date Announced:
      DEC 15, 2020
      NHTSA ID:
      #10186099

      This service bulletin provides a service procedure to correct a customer concern of Power Liftgate Stops When Opening and/or Will Not Close from Open Position DTC B153F Sets. Read More »

    LATCHES/LOCKS/LINKAGES

    • TSB #18NA279

      Date Announced:
      MAY 12, 2021
      NHTSA ID:
      #10199234

      This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »

    • TSB #18NA279

      Date Announced:
      MAY 12, 2021
      NHTSA ID:
      #10198843

      This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »

    LATCHES/LOCKS/LINKAGES:DOORS:LATCH

    • TSB #18NA279

      Date Announced:
      JAN 22, 2020
      NHTSA ID:
      #10171887

      This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »

    VEHICLE SPEED CONTROL

    • TSB #PIT5845

      Date Announced:
      JUN 25, 2021
      NHTSA ID:
      #10201294

      This Preliminary information communicates information to diagnose adaptive cruse with DTC U0422 in the EBCM. Read More »

    TIRES

    • TSB #PIT3271M

      Date Announced:
      MAR 07, 2022
      NHTSA ID:
      #10210321

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

    • TSB #PIT3271L

      Date Announced:
      FEB 03, 2022
      NHTSA ID:
      #10208971

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

    • TSB #030310007K

      Date Announced:
      NOV 08, 2021
      NHTSA ID:
      #10205738

      This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires. Read More »

    • 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 #19NA265

      Date Announced:
      NOV 21, 2019
      NHTSA ID:
      #10169347

      This bulletin provides information on Equivalent and Interchangeable Continental Cross Contact UHP tires. 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 »

    TIRES:TREAD/BELT

    • TSB #19NA078

      Date Announced:
      JUN 04, 2020
      NHTSA ID:
      #10178257

      This warranty administration bulletin provide policy information on tires are not meeting tread depth expectations, or wearing out (reaching 2/32)) too quickly. 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 #20-NA-159

      Date Announced:
      MAY 11, 2022
      NHTSA ID:
      #10212910

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

    • TSB #17-NA-052

      Date Announced:
      MAR 25, 2022
      NHTSA ID:
      #10209743

      This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint. GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY). Read More »

    • TSB #PIT3271M

      Date Announced:
      MAR 07, 2022
      NHTSA ID:
      #10210321

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

    • TSB #PIT3271L

      Date Announced:
      FEB 03, 2022
      NHTSA ID:
      #10208971

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

    • TSB #030310007K

      Date Announced:
      NOV 08, 2021
      NHTSA ID:
      #10205738

      This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires. 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 #17NA271

      Date Announced:
      OCT 13, 2020
      NHTSA ID:
      #10183143

      This bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customers concern of wheel clicking. Read More »

    • TSB #17NA271

      Date Announced:
      AUG 07, 2020
      NHTSA ID:
      #10180296

      This bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customers concern of wheel clicking. Read More »

    • TSB #17NA271

      Date Announced:
      JUL 21, 2020
      NHTSA ID:
      #10178950

      This bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customers concern of wheel clicking. 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 #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 »

    TRAILER HITCHES

    • TSB #N202318400

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10186048

      Service Update Bulletin. In certain vehicles, the rear trailer hitch cover may be warped and loose. A rattling noise may occur, and in some cases, the cover may fall off of the vehicle. Read More »

    • TSB #N202318400

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10187210

      Service Update Bulletin. In certain vehicles, the rear trailer hitch cover may be warped and loose. A rattling noise may occur, and in some cases, the cover may fall off of the vehicle. Read More »

    • TSB #N202318400

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10187615

      Service Update Bulletin. In certain vehicles, the rear trailer hitch cover may be warped and loose. A rattling noise may occur, and in some cases, the cover may fall off of the vehicle. Read More »

    • TSB #N202318400

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10187342

      Service Update Bulletin. In certain vehicles, the rear trailer hitch cover may be warped and loose. A rattling noise may occur, and in some cases, the cover may fall off of the vehicle. 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 »

    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 »

    FORWARD COLLISION AVOIDANCE: DYNAMIC BRAKE SUPPORT/BRAKE ASSIST

    • TSB #20NA073

      Date Announced:
      MAR 23, 2020
      NHTSA ID:
      #10174293

      This technical bulletin provides repair information to correct a customer concern of Loss of Brake Assist, Various Messages Displayed in DIC, Brake Pedal Travel and Apply May Feel Different, DTC C0024 Set. Read More »

    LANE DEPARTURE

    • TSB #PIT5481G

      Date Announced:
      JAN 18, 2022
      NHTSA ID:
      #10208036

      This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Read More »

    • TSB #21NA005

      Date Announced:
      DEC 16, 2021
      NHTSA ID:
      #10212564

      This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion. Read More »

    BACK OVER PREVENTION

    • TSB #PIP5817B

      Date Announced:
      JAN 27, 2022
      NHTSA ID:
      #10208066

      This Preliminary information communicates to the dealers information related to a hot idle tick noise from the engine. Read More »

    • TSB #PIP5817A

      Date Announced:
      JAN 26, 2022
      NHTSA ID:
      #10208058

      This Preliminary information communicates to the dealers information related to a hot idle tick noise from the engine. Read More »

    • TSB #PIP5708B

      Date Announced:
      JUL 28, 2021
      NHTSA ID:
      #10201262

      This Preliminary information communicates to the technician the vehicle concern of starter flex plate having broken teeth. This can create a noise during starting or may even have the starter spin but not crank over the engine. Read More »

    • TSB #PIT5700C

      Date Announced:
      JUN 28, 2021
      NHTSA ID:
      #10201296

      This Preliminary information communicates that a vehicle may come to the dealer with a "service front camera" message. Read More »

    • TSB #19NA076

      Date Announced:
      MAY 25, 2021
      NHTSA ID:
      #10198848

      This service bulletin provides repair information to correct a customer concern of Blue or Black Screen and Service Rear Vision System Message on Radio Display Shifting into Reverse. Read More »

    • TSB #21NA030

      Date Announced:
      APR 09, 2021
      NHTSA ID:
      #10194094

      This service bulletin provides a procedure to correct a customer concern of Engine Noise and/or Belt Squeak, MIL Illuminated. Read More »

    • TSB #21NA063

      Date Announced:
      APR 06, 2021
      NHTSA ID:
      #10194098

      This technical bulletin provides a procedure on a flutter and/or buzz type noise heard from the rear of the vehicle. Read More »

    • TSB #PIT5825B

      Date Announced:
      APR 06, 2021
      NHTSA ID:
      #10193433

      This Preliminary information communicates information regarding a Vibration Type Noise from the metal gasket tabs between the front exhaust and muffler. Read More »

    • TSB #PIT5825A

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10190434

      This Preliminary information communicates information regarding a Vibration Type Noise from the metal gasket tabs between the front exhaust and muffler. Read More »

    • TSB #PIT5825

      Date Announced:
      MAR 16, 2021
      NHTSA ID:
      #10190404

      This Preliminary information communicates information regarding a Vibration Type Noise from the metal gasket tabs between the front exhaust and muffler. Read More »

    • TSB #PIP5694C

      Date Announced:
      MAR 08, 2021
      NHTSA ID:
      #10190389

      This Preliminary information communicates noise condition that has been identified and the repair that is in process. A special Labor Operation was added for tracking purposes only. Read More »

    • TSB #N202318400

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10187210

      Service Update Bulletin. In certain vehicles, the rear trailer hitch cover may be warped and loose. A rattling noise may occur, and in some cases, the cover may fall off of the vehicle. Read More »

    • TSB #20NA060

      Date Announced:
      MAR 09, 2020
      NHTSA ID:
      #10174082

      This technical bulletin provides a procedure to replace the front differential carrier sun gear if found the cause of the high pitch noise from the transmission. Read More »

    INTERIOR LIGHTING

    • TSB #PIP5730B

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10190391

      This Preliminary information communicates additional diagnostic information for DTC's P0016 and P0018. Read More »

    COMMUNICATION: VEHICLE TO INFRASTRUCTURE

    • TSB #21NA135

      Date Announced:
      JUN 10, 2021
      NHTSA ID:
      #10200137

      This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. Read More »

    COMMUNICATION:MANUFACTURER TELEMATICS

    • TSB #PIP4902P

      Date Announced:
      JAN 18, 2022
      NHTSA ID:
      #10208034

      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

    • TSB #21-NA-182

      Date Announced:
      APR 27, 2022
      NHTSA ID:
      #10211071

      This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values. Read More »

    • TSB #22-NA-085

      Date Announced:
      APR 22, 2022
      NHTSA ID:
      #10210852

      This service bulletin provides radio software version 135120 (IOR) update procedures to correct customer concerns of software related issues. Read More »

    • TSB #22-NA-070

      Date Announced:
      APR 20, 2022
      NHTSA ID:
      #10210841

      This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements. Read More »

    • TSB #01-00-89-010P

      Date Announced:
      APR 13, 2022
      NHTSA ID:
      #10210543

      This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern. Read More »

    • TSB #21-NA-181

      Date Announced:
      APR 08, 2022
      NHTSA ID:
      #10210404

      This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation. Read More »

    • TSB #22-NA-070

      Date Announced:
      MAR 30, 2022
      NHTSA ID:
      #10209977

      This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements. Read More »

    • TSB #17-NA-052

      Date Announced:
      MAR 25, 2022
      NHTSA ID:
      #10209743

      This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint. GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY). Read More »

    • TSB #21-NA-036

      Date Announced:
      MAR 11, 2022
      NHTSA ID:
      #10209400

      This service bulletin advises the technician of a diagnostic test for a possible issue with a damaged OCV solenoid that may cause an oil leak and misfire, illuminating the MIL and setting DTCs P0300, P0302 and/or P0305. Read More »

    • TSB #PIP5675G

      Date Announced:
      DEC 15, 2021
      NHTSA ID:
      #10206730

      This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. Read More »

    • TSB #21NA279

      Date Announced:
      NOV 29, 2021
      NHTSA ID:
      #10205595

      This service bulletin provides a procedure to replace the starter if found the cause of the rattle noise. Read More »

    • TSB #21NA276

      Date Announced:
      NOV 24, 2021
      NHTSA ID:
      #10205593

      This service bulletin provides a procedure to correct a customer concern of Starter Not Cranking Engine, Grinding Noise When Starting?. Read More »

    • TSB #20NA136

      Date Announced:
      NOV 23, 2021
      NHTSA ID:
      #10205541

      This informational bulletin describes/outlines the process for the 9T65 Automatic Transmission Replacement Pilot Program (U.S. Only). Read More »

    • TSB #21NA257

      Date Announced:
      NOV 12, 2021
      NHTSA ID:
      #10205577

      This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3075 Set. Read More »

    • TSB #21NA256

      Date Announced:
      NOV 09, 2021
      NHTSA ID:
      #10205576

      This service bulletin provides repair information for dealers/technicians to correct a customer concern of a Malfunction Indicator Lamp Illuminated with DTC P26BB Set. Read More »

    • TSB #19NA104

      Date Announced:
      NOV 08, 2021
      NHTSA ID:
      #10205539

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

    • TSB #PIC6438B

      Date Announced:
      AUG 19, 2021
      NHTSA ID:
      #10201318

      This Preliminary information communicates a condition where the Video Processing Control Module is not able to be programmed to the vehicle. This PI offeres a couple workarounds while Engineering evaluates the concern. Read More »

    • 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 #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 #PIT5845

      Date Announced:
      JUN 25, 2021
      NHTSA ID:
      #10201294

      This Preliminary information communicates information to diagnose adaptive cruse with DTC U0422 in the EBCM. Read More »

    • TSB #21NA147

      Date Announced:
      JUN 22, 2021
      NHTSA ID:
      #10200146

      This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated?. Read More »

    • 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 #21NA145

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200144

      This service bulletin provides U157 software update information to correct customer concerns of radio Software related issues. 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 #19NA076

      Date Announced:
      MAY 25, 2021
      NHTSA ID:
      #10199239

      This service bulletin provides repair information to correct a customer concern of Blue or Black Screen and Service Rear Vision System Message on Radio Display Shifting into Reverse. 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 #PIT5839A

      Date Announced:
      MAY 07, 2021
      NHTSA ID:
      #10197284

      This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution. 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 #PIT5839

      Date Announced:
      APR 27, 2021
      NHTSA ID:
      #10193475

      This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution. 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 #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 #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 #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 #20NA033

      Date Announced:
      JAN 25, 2021
      NHTSA ID:
      #10187754

      This technical bulletin provides a procedure to modify the rear suspension rebound pin and reinstall to correct a condition of Squeak/Creak Noise from Rear Suspension. Read More »

    • TSB #PIE0588B

      Date Announced:
      JAN 20, 2021
      NHTSA ID:
      #10188407

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to multiple DTC?s set after a battery discharge, jump start and/or battery ... Read More »

    • TSB #PIE0608A

      Date Announced:
      JAN 13, 2021
      NHTSA ID:
      #10188417

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service AWD Lamp illuminated on the Driver Information Center (DIC) ... Read More »

    • TSB #PIE0608

      Date Announced:
      JAN 08, 2021
      NHTSA ID:
      #10188416

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service AWD Lamp illuminated on the Driver Information Center (DIC) ... Read More »

    • TSB #PIP5730A

      Date Announced:
      DEC 29, 2020
      NHTSA ID:
      #10185754

      This Preliminary information communicates additional diagnostic information for DTC's P0016 and P0018. 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 #20NA235

      Date Announced:
      DEC 17, 2020
      NHTSA ID:
      #10186101

      This service bulletin provides information to aid a dealer/customer concern of Radio Unwanted Phantom Touch or Non-Responsive to Touch After Cleaning/Disinfecting Radio Display. 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 #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 #N202318400

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10186048

      Service Update Bulletin. In certain vehicles, the rear trailer hitch cover may be warped and loose. A rattling noise may occur, and in some cases, the cover may fall off of the vehicle. Read More »

    • TSB #N202318400

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10187615

      Service Update Bulletin. In certain vehicles, the rear trailer hitch cover may be warped and loose. A rattling noise may occur, and in some cases, the cover may fall off of the vehicle. Read More »

    • TSB #20NA199

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10186084

      This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. 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 #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 »

    • 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 #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 #20NA071

      Date Announced:
      NOV 06, 2020
      NHTSA ID:
      #10184483

      This technical bulletin provides repair information to correct a customer concern of the Service Engine Soon Lamp illuminated and/or Service Power Brake Assist message displayed, with DTCs P0557 or P0558 Stored. 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 #19NA111

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183148

      This technical bulletin provides repair information to correct a customer concern of hearing a ticking noise coming from upper B-pillar area. 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 #PIE0579A

      Date Announced:
      OCT 21, 2020
      NHTSA ID:
      #10183788

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the malfunction indicator lamp (MIL) illuminated. Read More »

    • TSB #17NA271

      Date Announced:
      OCT 13, 2020
      NHTSA ID:
      #10183143

      This bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customers concern of wheel clicking. 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 #PIT5737B

      Date Announced:
      SEP 21, 2020
      NHTSA ID:
      #10181156

      This Preliminary information communicates an XM service concern of no audio at startup until a channel change and directs to contact XM for direct support. Read More »

    • TSB #PIT5754

      Date Announced:
      SEP 21, 2020
      NHTSA ID:
      #10181157

      This Preliminary information communicates information on radio software anamolies and future radio software updates to correct the concern. 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 #20NA134

      Date Announced:
      SEP 10, 2020
      NHTSA ID:
      #10181690

      This technical bulletin provides repair information to correct a customer concern of seeing SD Card Removed error message displayed in the Driver Information Center (DIC). 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 #PIE0577

      Date Announced:
      AUG 05, 2020
      NHTSA ID:
      #10180703

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Check Engine Light being illuminated. Read More »

    • TSB #17NA271

      Date Announced:
      JUL 21, 2020
      NHTSA ID:
      #10178950

      This bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customers concern of wheel clicking. Read More »

    • TSB #PIP5545C

      Date Announced:
      JUL 07, 2020
      NHTSA ID:
      #10178363

      This Preliminary information communicates a possible noise from the water pump causing a DTC and the diagnostics for the repair. Read More »

    • TSB #PIE0567A

      Date Announced:
      JUL 01, 2020
      NHTSA ID:
      #10179532

      This engineering information (EI) ends the needs for information from the field regarding SD Code messages displayed on the Radio Screen and/or Instrument Cluster - Navigation System Malfunction. Read More »

    • TSB #20NA134

      Date Announced:
      JUN 18, 2020
      NHTSA ID:
      #10178284

      This technical bulletin provides repair information to correct a customer concern of seeing SD Card Removed error message displayed in the Driver Information Center (DIC). Read More »

    • TSB #PIT5754

      Date Announced:
      JUN 18, 2020
      NHTSA ID:
      #10178335

      This Preliminary information communicates information on radio software anamolies and future radio software updates to correct the concern. Read More »

    • TSB #PIT5753

      Date Announced:
      JUN 17, 2020
      NHTSA ID:
      #10178332

      This Preliminary information communicates that the glove will not open when the button is pressed and how to repair. 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 #19NA243

      Date Announced:
      MAY 29, 2020
      NHTSA ID:
      #10176616

      This technical bulletin provides a procedure for replacing the body plugs due to water leaking through the body plug above the connector X500 causing the connector to be corroded. 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 #19NA269

      Date Announced:
      MAY 18, 2020
      NHTSA ID:
      #10176618

      This Technical bulletin provides a service procedure for dealers/technicians on installation of Radio Software Version U148 Over-the-Air Update. Read More »

    • TSB #PIT5737A

      Date Announced:
      MAY 15, 2020
      NHTSA ID:
      #10176318

      This Preliminary information communicates an XM service concern of no audio at startup until a channel change and directs to contact XM for direct support. 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 #PIE0567

      Date Announced:
      MAY 04, 2020
      NHTSA ID:
      #10176654

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to SD Code messages displayed on the Radio Screen and/or Instrument Cluster - ... 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 #PIP5694B

      Date Announced:
      APR 24, 2020
      NHTSA ID:
      #10174856

      This Preliminary information communicates noise condition that has been identified and the repair that is in process. A special Labor Operation was added for tracking purposes only. Read More »

    • TSB #20NA012

      Date Announced:
      APR 20, 2020
      NHTSA ID:
      #10175756

      This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. 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 #20NA071

      Date Announced:
      MAR 20, 2020
      NHTSA ID:
      #10174291

      This technical bulletin provides repair information to correct a customer concern of the Service Engine Soon Lamp illuminated and/or Service Power Brake Assist message displayed, with DTCs P0557 or P0558 Stored. 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 #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 #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 #PIP5708A

      Date Announced:
      FEB 18, 2020
      NHTSA ID:
      #10172323

      This Preliminary information communicates to the technician the vehicle concern of starter flex plate having broken teeth. This can create a noise during starting or may even have the starter spin but not crank over the engine. 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 #N202292220

      Date Announced:
      FEB 11, 2020
      NHTSA ID:
      #10172655

      Service Update - Certain vehicles may have only two of the three required heat shield fasteners. Dealers are to install the third bolt in the heat shield at the engine compartment. 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 #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 #PIT5411R

      Date Announced:
      JAN 23, 2020
      NHTSA ID:
      #10171300

      This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance ... 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 #030846004W

      Date Announced:
      JAN 13, 2020
      NHTSA ID:
      #10172292

      This bulletin provides information regarding Part Restriction and Ordering Process Information for OnStar® Vehicle Communication Interface Modules (VCIM) (GMNA Only). 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 #19NA270

      Date Announced:
      NOV 21, 2019
      NHTSA ID:
      #10169351

      This technical bulletin provides repair information to correct a customer concern of Phone Ringer Volume Turned Down or Too Quiet. 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 #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 #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 #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 #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 »

    EQUIPMENT:ELECTRICAL

    • TSB #12-00-89-003B

      Date Announced:
      MAY 02, 2022
      NHTSA ID:
      #10211658

      This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only). Read More »

    • 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 #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 #PIT5411S

      Date Announced:
      FEB 04, 2020
      NHTSA ID:
      #10172304

      This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance ... Read More »

    • TSB #18NA279

      Date Announced:
      OCT 10, 2019
      NHTSA ID:
      #10168186

      This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. Read More »

    • TSB #17NA276

      Date Announced:
      AUG 20, 2019
      NHTSA ID:
      #10165084

      This informational bulletin provides information on Loss of Phone Pairing or Favorites, Last Setting of Volume, Station, App, and Audio Settings Change When Vehicle Shuts Down in Demo Mode and that this is considered a normal ... Read More »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #21-NA-182

      Date Announced:
      APR 27, 2022
      NHTSA ID:
      #10211071

      This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values. Read More »

    • TSB #20NA235

      Date Announced:
      DEC 17, 2020
      NHTSA ID:
      #10186101

      This service bulletin provides information to aid a dealer/customer concern of Radio Unwanted Phantom Touch or Non-Responsive to Touch After Cleaning/Disinfecting Radio Display. Read More »

    • TSB #20NA199

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10186084

      This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. Read More »

    • TSB #19NA076

      Date Announced:
      NOV 30, 2020
      NHTSA ID:
      #10184482

      This technical bulletin provides repair information to correct a customer concern of Blue or Black Screen and Service Rear Vision System Message on Radio Display Shifting into Reverse. Read More »

    • TSB #20NA199

      Date Announced:
      NOV 09, 2020
      NHTSA ID:
      #10184493

      This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. Read More »

    • TSB #20NA199

      Date Announced:
      SEP 21, 2020
      NHTSA ID:
      #10181722

      This technical bulletin provides repair information to correct a customer concern of Radio Software Version U150 Update. Read More »

    • TSB #PIT5737B

      Date Announced:
      JUL 09, 2020
      NHTSA ID:
      #10178366

      This Preliminary information communicates an XM service concern of no audio at startup until a channel change and directs to contact XM for direct support. Read More »

    • TSB #20NA012

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10178261

      This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »

    • TSB #PIT5411S

      Date Announced:
      FEB 04, 2020
      NHTSA ID:
      #10172304

      This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance ... Read More »

    EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

    • TSB #PIT5411S

      Date Announced:
      FEB 04, 2020
      NHTSA ID:
      #10172304

      This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance ... Read More »

    EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE

    • TSB #20NA199

      Date Announced:
      DEC 10, 2020
      NHTSA ID:
      #10186084

      This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. 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:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #18-NA-099

      Date Announced:
      MAR 22, 2022
      NHTSA ID:
      #10209747

      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 #PIP5814

      Date Announced:
      JUL 18, 2021
      NHTSA ID:
      #10201247

      This Preliminary information communicates that there some service parts released to dealers missing software.  Read More »

    • TSB #030846004X

      Date Announced:
      JAN 26, 2021
      NHTSA ID:
      #10188402

      This service bulletin announces that the Part Restriction and Ordering Process Information for OnStar® Vehicle Communication Interface Modules (VCIM) (GMNA Only) has ended. Read More »

    • TSB #PIP5730A

      Date Announced:
      DEC 29, 2020
      NHTSA ID:
      #10187205

      This Preliminary information communicates additional diagnostic information for DTC's P0016 and P0018. Read More »

    • 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 #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 #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 #N202298770

      Date Announced:
      JUN 15, 2020
      NHTSA ID:
      #10177364

      Customer Satisfaction Program - Certain vehicles, equipped with 4 Cyl gas engines, may have incorrect instructions in the owner?s manual for Dinghy and Dolly Towing. 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 #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 #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 »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #21NA257

      Date Announced:
      NOV 12, 2021
      NHTSA ID:
      #10205577

      This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3075 Set. Read More »

    • TSB #21NA147

      Date Announced:
      JUN 22, 2021
      NHTSA ID:
      #10200146

      This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated?. Read More »

    • 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 #21NA145

      Date Announced:
      JUN 21, 2021
      NHTSA ID:
      #10200144

      This service bulletin provides U157 software update information to correct customer concerns of radio Software related issues. 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 #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 #20NA033

      Date Announced:
      JAN 25, 2021
      NHTSA ID:
      #10187754

      This technical bulletin provides a procedure to modify the rear suspension rebound pin and reinstall to correct a condition of Squeak/Creak Noise from Rear Suspension. Read More »

    • TSB #PIE0588B

      Date Announced:
      JAN 20, 2021
      NHTSA ID:
      #10188407

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to multiple DTC?s set after a battery discharge, jump start and/or battery ... Read More »

    • TSB #PIE0608A

      Date Announced:
      JAN 13, 2021
      NHTSA ID:
      #10188417

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service AWD Lamp illuminated on the Driver Information Center (DIC) ... Read More »

    • TSB #PIE0608

      Date Announced:
      JAN 08, 2021
      NHTSA ID:
      #10188416

      This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service AWD Lamp illuminated on the Driver Information Center (DIC) ... Read More »

    • TSB #N202318400

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10186048

      Service Update Bulletin. In certain vehicles, the rear trailer hitch cover may be warped and loose. A rattling noise may occur, and in some cases, the cover may fall off of the vehicle. 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 #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 #17NA271

      Date Announced:
      OCT 13, 2020
      NHTSA ID:
      #10183143

      This bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customers concern of wheel clicking. 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 #20NA033

      Date Announced:
      MAR 26, 2020
      NHTSA ID:
      #10174279

      This technical bulletin provides a procedure to modify the rear suspension rebound pin and reinstall to correct a condition of Squeak/Creak Noise from Rear Suspension. Read More »

    • TSB #20NA012

      Date Announced:
      MAR 24, 2020
      NHTSA ID:
      #10174276

      This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update. Read More »

    • TSB #20NA073

      Date Announced:
      MAR 23, 2020
      NHTSA ID:
      #10174293

      This technical bulletin provides repair information to correct a customer concern of Loss of Brake Assist, Various Messages Displayed in DIC, Brake Pedal Travel and Apply May Feel Different, DTC C0024 Set. 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 #20NA033

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10172809

      This technical bulletin provides a procedure to modify the rear suspension rebound pin and reinstall to correct a condition of Squeak/Creak Noise from Rear Suspension. 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 #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 #19NA270

      Date Announced:
      NOV 21, 2019
      NHTSA ID:
      #10169351

      This technical bulletin provides repair information to correct a customer concern of Phone Ringer Volume Turned Down or Too Quiet. 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 »

    EQUIPMENT ADAPTIVE/MOBILITY:VEHICLE CONTROLS:SPEED CONTROL

    • TSB #21NA035

      Date Announced:
      MAR 15, 2021
      NHTSA ID:
      #10191215

      This service bulletin provides information for dealers/technicians on Vehicles that Will Not Hold Set Cruise Control Speed in Enhanced Cruise Control Mode. Read More »

    EQUIPMENT ADAPTIVE/MOBILITY:VEHICLE CONTROLS:STEERING

    • TSB #030091001H

      Date Announced:
      NOV 05, 2021
      NHTSA ID:
      #10205737

      This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns. Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #PIP5683

      Date Announced:
      OCT 02, 2019
      NHTSA ID:
      #10167422

      This Preliminary information communicates a concern with plastic flashing inside the fresh air intake duct for the PCV clean air and the recommended repair. Read More »

    EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS

    • TSB #PIT5839A

      Date Announced:
      MAY 07, 2021
      NHTSA ID:
      #10197284

      This Preliminary information communicates to GM dealers that the above mentioned concern is software related and that General Motors is working on a solution. Read More »

    • TSB #20NA235

      Date Announced:
      DEC 17, 2020
      NHTSA ID:
      #10187428

      This service bulletin provides information to aid a dealer/customer concern of Radio Unwanted Phantom Touch or Non-Responsive to Touch After Cleaning/Disinfecting Radio Display. Read More »

    UNKNOWN OR OTHER

    • TSB #01-00-89-010O

      Date Announced:
      APR 05, 2022
      NHTSA ID:
      #10210194

      This informational bulletin provides information on a guide to help reduce repeat visits for the same customer concern. Read More »

    • TSB #16NA222

      Date Announced:
      JAN 06, 2022
      NHTSA ID:
      #10212588

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

    • TSB #21NA108

      Date Announced:
      MAY 04, 2021
      NHTSA ID:
      #10198879

      This service bulletin provides diagnostic information for the technician regarding a customer concern of engine overheating, cooling system contaminated with engine oil. Read More »