Technical Service Bulletins (TSBs) for the 2020 Corvette 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 #20NA217

      Date Announced:
      NOV 10, 2020
      NHTSA ID:
      #10184496

      This service bulletin provides information/service procedure for dealers/technicians on Improved Electronic Limited Slip Differential (ELSD) Calibration. Read More »

    • TSB #20NA091

      Date Announced:
      APR 16, 2020
      NHTSA ID:
      #10175769

      This informational bulletin provides information for dealers/technicians on power seat, power mirrors and steering wheel entry/exit memory recall settings intermittently inoperative. 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 #13-03-10-001I

      Date Announced:
      MAR 08, 2022
      NHTSA ID:
      #10209137

      This service bulletin provides information on summer tire performance and tire cold weather cracking. Read More »

    • TSB #PIC6434A

      Date Announced:
      DEC 07, 2021
      NHTSA ID:
      #10206718

       This Preliminary Information communicates diagnostic tips for a technician to diagnose a C103C / C103E set in the K218 Front Suspension Lift System.   Read More »

    • TSB #21NA283

      Date Announced:
      DEC 06, 2021
      NHTSA ID:
      #10207920

      This service bulletin provides a service procedure to correct a customer concern of a Service Front Suspension Lift System Message Displayed on Driver Information Center (DIC) with DTC C103C and/or C103E Symptom 64 Set. Read More »

    • TSB #PIC6434A

      Date Announced:
      NOV 08, 2021
      NHTSA ID:
      #10204443

       This Preliminary Information communicates diagnostic tips for a technician to diagnose a C103C / C103E set in the K218 Front Suspension Lift System.   Read More »

    • TSB #PIC6441

      Date Announced:
      JUL 15, 2021
      NHTSA ID:
      #10201184

       This Preliminary Information communicates programming direction for replacing the K218 module in this vehicle.   Read More »

    • TSB #17NA087

      Date Announced:
      MAY 05, 2021
      NHTSA ID:
      #10199230

      This informational bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining. Read More »

    • 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 #PIC6434

      Date Announced:
      MAR 23, 2021
      NHTSA ID:
      #10190423

       This Preliminary Information communicates diagnostic tips for a technician to diagnose a C103C / C103E set in the K218 Front Suspension Lift System.   Read More »

    • TSB #PIC6409

      Date Announced:
      MAR 25, 2020
      NHTSA ID:
      #10173719

      This PI communicates a parts restriction is in effect on 2020 Chevrolet Corvette Leveling Control Module. Read More »

    • TSB #PIC6381B

      Date Announced:
      MAR 25, 2020
      NHTSA ID:
      #10173720

      This Preliminary information communicates a parts restriction is in place for the Suspension Control Module on 2020 Cadillac CT4, CT5, and Chevrolet Corvette. 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 »

    BRAKES (PWS)

    • TSB #17NA040

      Date Announced:
      NOV 17, 2021
      NHTSA ID:
      #10205537

      This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies. Read More »

    • TSB #17NA040

      Date Announced:
      DEC 18, 2020
      NHTSA ID:
      #10186060

      This technical bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies. Read More »

    • TSB #17NA040

      Date Announced:
      DEC 18, 2020
      NHTSA ID:
      #10187374

      This technical bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies. Read More »

    • TSB #17NA239

      Date Announced:
      OCT 02, 2020
      NHTSA ID:
      #10183141

      This bulletin provides information on possible normal brake drag caused by the vehicle parked for an extended period of time. Read More »

    • TSB #17NA040

      Date Announced:
      AUG 11, 2020
      NHTSA ID:
      #10180294

      This technical bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies. Read More »

    • TSB #20NA075

      Date Announced:
      MAR 20, 2020
      NHTSA ID:
      #10174294

      This informational bulletin provides information for dealers/technicians on No MIL illuminated, ignore these DTCs if set in History. 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 #PIC6391D

      Date Announced:
      OCT 28, 2020
      NHTSA ID:
      #10182579

      This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Electronic Brake Boost Control Module and  Valve Kit, Brake Pressure Modulator. Read More »

    • TSB #PIC6391C

      Date Announced:
      SEP 28, 2020
      NHTSA ID:
      #10181170

      This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Electronic Brake Boost Control Module and  Valve Kit, Brake Pressure Modulator. 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 #PIC6391A

      Date Announced:
      MAR 13, 2020
      NHTSA ID:
      #10173693

      This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Electronic Brake Boost Control Module and  Valve Kit, Brake Pressure Modulator. Read More »

    SERVICE BRAKES, HYDRAULIC:POWER ASSIST:ELECTRIC:CONTROL MODULE

    • TSB #PIC6391B

      Date Announced:
      JUN 10, 2020
      NHTSA ID:
      #10178318

      This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Electronic Brake Boost Control Module and  Valve Kit, Brake Pressure Modulator. Read More »

    SERVICE BRAKES, AIR:DISC:CALIPER

    • TSB #16NA059

      Date Announced:
      OCT 14, 2020
      NHTSA ID:
      #10183124

      This service bulletin provides information for cleaning the brake calipers that may have staining/discoloring on the paint of the brake caliper. Read More »

    PARKING BRAKE

    • TSB #N202303030

      Date Announced:
      JUL 07, 2020
      NHTSA ID:
      #10178398

      Service Update - Certain 2020 model year Chevrolet Corvette vehicles may be missing the park brake caliper guide pin retention clip. A dislocated pin may damage the wheel. Read More »

    PARKING BRAKE:ELECTRICAL:CONTROL MODULE

    • TSB #20-NA-207

      Date Announced:
      MAR 03, 2022
      NHTSA ID:
      #10209097

      This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P0333 Set. Read More »

    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 #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 #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 #PIE0613B

      Date Announced:
      MAY 25, 2021
      NHTSA ID:
      #10200100

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

    • TSB #PIE0613A

      Date Announced:
      MAY 04, 2021
      NHTSA ID:
      #10200099

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Check Engine Lamp illuminated on the Driver Information Center (DIC) and/or poor ... 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 #PIP5752L

      Date Announced:
      APR 19, 2021
      NHTSA ID:
      #10193458

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and  engine noise with possible of DTC P0300 P0106 P0506,  Possible valve spring concern  Read More »

    • TSB #PIP5752G

      Date Announced:
      NOV 20, 2020
      NHTSA ID:
      #10184135

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and  engine noise with possible of DTC P0300 P0106 P0506,  Possible valve spring concern  Read More »

    • TSB #N202319660

      Date Announced:
      NOV 20, 2020
      NHTSA ID:
      #10184527

      Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. 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 #PIP5733F

      Date Announced:
      NOV 17, 2020
      NHTSA ID:
      #10184120

      This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history.  Under Investigation Read More »

    • TSB #PIP5759A

      Date Announced:
      NOV 05, 2020
      NHTSA ID:
      #10184095

      This Preliminary information communicates 6.2L engine restriction, Contact TAC  Read More »

    • TSB #20NA042

      Date Announced:
      OCT 19, 2020
      NHTSA ID:
      #10183180

      This technical bulletin provides a service procedure to correct a customer concern of Fuel Gauge May Intermittently Display Erratic and/or Empty Readings and MIL with DTC P0462. Read More »

    • TSB #PIP5698A

      Date Announced:
      AUG 27, 2020
      NHTSA ID:
      #10179657

      The Preliminary Information communication advises the technician that the Product Quality Center has a part exchange for 6.2L LT2 engine. Read More »

    • TSB #PIP5733C

      Date Announced:
      AUG 27, 2020
      NHTSA ID:
      #10179658

      This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history.  Under Investigation Read More »

    • TSB #PIP5733B

      Date Announced:
      AUG 06, 2020
      NHTSA ID:
      #10179625

      This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history.  Under Investigation 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 #PIP5693B

      Date Announced:
      JUN 01, 2020
      NHTSA ID:
      #10178300

      The Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for the E99 Engine Control Module. 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 #PIP5723

      Date Announced:
      APR 14, 2020
      NHTSA ID:
      #10174819

      This Preliminary information communicates Some customers may comment on a hiss or vacuum leak noise coming from the engine compartment during normal engine operation. Read More »

    • TSB #PIP5715

      Date Announced:
      MAR 11, 2020
      NHTSA ID:
      #10173685

      This Preliminary information communicates  a low milage vehicle may have a rough idle and misfire concern.  This may be a result of soot on the spark plugs. Using GDS raise engine speed to 2000 RPM for 10 minutes and reevaluate. Read More »

    • TSB #PIP5693A

      Date Announced:
      MAR 02, 2020
      NHTSA ID:
      #10173669

      The Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for the E99 Engine Control Module. 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 #20NA038

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10172811

      This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence. Read More »

    • TSB #19NA218

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173397

      This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine. Read More »

    • TSB #PIP5698

      Date Announced:
      JAN 23, 2020
      NHTSA ID:
      #10171303

      The Preliminary Information communication advises the technician that the Product Quality Center has a part exchange for 6.2L LT2 engine. Read More »

    ENGINE AND ENGINE COOLING

    • TSB #22-NA-019

      Date Announced:
      APR 21, 2022
      NHTSA ID:
      #10210834

      This service bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P2251 and/or DTC P2254 Set. Read More »

    • TSB #22-NA-080

      Date Announced:
      APR 20, 2022
      NHTSA ID:
      #10210849

      This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder. 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 #19-NA-218

      Date Announced:
      MAR 30, 2022
      NHTSA ID:
      #10209955

      This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine. 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 #20-NA-038

      Date Announced:
      MAR 16, 2022
      NHTSA ID:
      #10209465

      This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence. Read More »

    • TSB #PIE0681

      Date Announced:
      MAR 07, 2022
      NHTSA ID:
      #10209398

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon (SES) lamp illuminated on the driver information center ... 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 #21NA123

      Date Announced:
      JUN 29, 2021
      NHTSA ID:
      #10200129

      This service bulletin provides a repair procedure to correct a customer concern of a Rough Idle condition and Malfunction Indicator Lamp (MIL) Illuminated. Read More »

    • TSB #20NA218

      Date Announced:
      MAY 07, 2021
      NHTSA ID:
      #10198862

      This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. 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 #PIP5212C

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10190433

      This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Read More »

    • 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 #19NA218

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10186073

      This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine. 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 #19NA218

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10187387

      This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine. 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 #PIP5752F

      Date Announced:
      OCT 28, 2020
      NHTSA ID:
      #10182580

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and  engine noise with possible of DTC P0300 P0106 P0506,  Possible valve spring concern  Read More »

    • TSB #PIP5752E

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10182570

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and  engine noise with possible of DTC P0300 P0106 P0506,  Possible valve spring concern  Read More »

    • TSB #PIP5759

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10182565

      This Preliminary information communicates 6.2L engine restriction, Contact TAC  Read More »

    • TSB #PIP5752D

      Date Announced:
      OCT 22, 2020
      NHTSA ID:
      #10182567

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and  engine noise with possible of DTC P0300 P0106 P0506,  Possible valve spring concern  Read More »

    • TSB #PIP5752C

      Date Announced:
      OCT 16, 2020
      NHTSA ID:
      #10182555

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and  engine noise with possible of DTC P0300 P0106 P0506,  Possible valve spring concern  Read More »

    • TSB #PIP5752B

      Date Announced:
      OCT 13, 2020
      NHTSA ID:
      #10182552

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and  engine noise with possible of DTC P0300 P0106 P0506,  Possible valve spring concern  Read More »

    • TSB #PIP5733E

      Date Announced:
      OCT 05, 2020
      NHTSA ID:
      #10182535

      This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history.  Under Investigation Read More »

    • TSB #PIP5733D

      Date Announced:
      SEP 22, 2020
      NHTSA ID:
      #10181158

      This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history.  Under Investigation Read More »

    • TSB #PIP5752A

      Date Announced:
      SEP 22, 2020
      NHTSA ID:
      #10181159

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and  engine noise with possible of DTC P0300 P0106 P0506,  Possible valve spring concern  Read More »

    • TSB #19NA218

      Date Announced:
      MAY 28, 2020
      NHTSA ID:
      #10176613

      This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine. Read More »

    • TSB #PIP5130K

      Date Announced:
      JAN 10, 2020
      NHTSA ID:
      #10171265

      This Preliminary Information communication provides information to the technician how to diagnose and repair a vehicle with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or ... Read More »

    • 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 #PIP5606E

      Date Announced:
      SEP 24, 2019
      NHTSA ID:
      #10165902

      This Preliminary information communicates A vehicle may have a tick noise from the engine cold, initial start in the morning. A lifter may not have sufficient amount of oil during cold start operation (not pumped up). 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

    • TSB #20NA179

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183195

      This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTCs P0521 and/or P06DD Set. 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:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE

    • TSB #20NA218

      Date Announced:
      JAN 15, 2021
      NHTSA ID:
      #10187763

      This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »

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

    • TSB #PIP5733G

      Date Announced:
      DEC 18, 2020
      NHTSA ID:
      #10185746

      This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history.  Under Investigation 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 #20-NA-038

      Date Announced:
      MAR 16, 2022
      NHTSA ID:
      #10209465

      This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence. Read More »

    • 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 #20NA042

      Date Announced:
      MAY 05, 2021
      NHTSA ID:
      #10199245

      This service bulletin provides a service procedure to correct a customer concern of Fuel Gauge May Intermittently Display Erratic and/or Empty Readings and MIL with DTC P0462. Read More »

    • TSB #20NA042

      Date Announced:
      MAY 05, 2021
      NHTSA ID:
      #10198854

      This service bulletin provides a service procedure to correct a customer concern of Fuel Gauge May Intermittently Display Erratic and/or Empty Readings and MIL with DTC P0462. Read More »

    • TSB #N212327740

      Date Announced:
      MAR 10, 2021
      NHTSA ID:
      #10190770

      Service Update. On certain vehicles, the HVAC condensate drain hose may not be fully installed and may result in a water leak. Dealers are to fully install the HVAC condensate drain hose. 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 »

    • TSB #PIP5786

      Date Announced:
      MAR 09, 2021
      NHTSA ID:
      #10190390

      This Preliminary information communicates  I vehicle may come in with a need to test the EVAP system for a leaks. CH-52519 modification 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 #20NA038

      Date Announced:
      FEB 26, 2020
      NHTSA ID:
      #10172811

      This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence. Read More »

    FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

    • TSB #20NA042

      Date Announced:
      OCT 19, 2020
      NHTSA ID:
      #10183180

      This technical bulletin provides a service procedure to correct a customer concern of Fuel Gauge May Intermittently Display Erratic and/or Empty Readings and MIL with DTC P0462. Read More »

    • TSB #20NA042

      Date Announced:
      MAR 09, 2020
      NHTSA ID:
      #10174283

      This technical bulletin provides a procedure to correct a Condition of Fuel Gauge May Intermittently Display Erratic and/or Empty Readings and MIL with DTC P0462. Read More »

    POWER TRAIN

    • TSB #09-04-20-001G

      Date Announced:
      MAY 06, 2022
      NHTSA ID:
      #10211657

      This informational bulletin provides information to address a chatter noise during low speed tight turn conditions (i.e. parking lot, driveway, etc.) primarily during cooler ambient temperatures. Read More »

    • TSB #PIE0690

      Date Announced:
      APR 08, 2022
      NHTSA ID:
      #10210443

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Transmission Hot message displayed on DIC and/or Vehicle Will Not Disengage ... Read More »

    • TSB #PIP5757B

      Date Announced:
      MAR 04, 2022
      NHTSA ID:
      #10210318

      This Preliminary information communicates an anomaly in the transmission control module to erroneously set diagnostic trouble codes.   Read More »

    • TSB #20-NA-207

      Date Announced:
      MAR 03, 2022
      NHTSA ID:
      #10209097

      This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P0333 Set. Read More »

    • TSB #PIE0669B

      Date Announced:
      MAR 01, 2022
      NHTSA ID:
      #10209133

      This engineering information (EI) closure ends the need for further information from the field regarding dealership personnel that when it comes to the scheduled maintenance at 12,070 km (7500 mi), or within the first year of ownership, ... Read More »

    • TSB #PIP5797C

      Date Announced:
      FEB 09, 2022
      NHTSA ID:
      #10208979

      This Preliminary information communicates the need to replace the transmission assembly for faults related to non-serviceable internal parts..  Read More »

    • TSB #21NA033

      Date Announced:
      DEC 15, 2021
      NHTSA ID:
      #10212566

      This service bulletin provides a procedure to perform a transmission solenoid clean procedure 3 times depending on what DTC has set. Read More »

    • TSB #PIP5797B

      Date Announced:
      NOV 30, 2021
      NHTSA ID:
      #10204463

      This Preliminary information communicates the need to replace the transmission assembly for faults related to non-serviceable internal parts..  Read More »

    • TSB #PIP5821

      Date Announced:
      AUG 27, 2021
      NHTSA ID:
      #10201331

      This Preliminary information communicates request to have used filters returned for analysis.  Read More »

    • TSB #PIP5818

      Date Announced:
      AUG 19, 2021
      NHTSA ID:
      #10201322

      This Preliminary information communicates additional diagnostics for P1789.  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 #PIP5797A

      Date Announced:
      JUL 15, 2021
      NHTSA ID:
      #10201246

      This Preliminary information communicates the need to replace the transmission assembly for faults related to non-serviceable internal parts..  Read More »

    • TSB #PIP5709P

      Date Announced:
      JUN 08, 2021
      NHTSA ID:
      #10201270

      This Preliminary information communicates the transmission used in the 2020 and 2021 Corvette is no longer on restriction with the supplier for early root cause analysis.  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 #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 #20NA218

      Date Announced:
      APR 23, 2021
      NHTSA ID:
      #10194090

      This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »

    • TSB #PIP5709N

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10190438

      This Preliminary information communicates the transmission used in the 2020 and 2021 Corvette is on exchange with the supplier for early root cause analysis.  Read More »

    • TSB #PIP5797

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10190439

      This Preliminary information communicates the need to replace the transmission assembly for faults related to non-serviceable internal parts..  Read More »

    • TSB #21NA070

      Date Announced:
      MAR 18, 2021
      NHTSA ID:
      #10192035

      This service bulletin provides a procedure to perform a transmission solenoid clean procedure 3 times depending on what DTC has set. Read More »

    • TSB #PIP5709M

      Date Announced:
      MAR 15, 2021
      NHTSA ID:
      #10190401

      This Preliminary information communicates the transmission used in the 2020 and 2021 Corvette is on exchange with the supplier for early root cause analysis.  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 #21NA049

      Date Announced:
      MAR 04, 2021
      NHTSA ID:
      #10191222

      This service bulletin provides a Diagnostic Aid for PicoScope Information and Setup for Transmission Related Concerns. Read More »

    • TSB #PIP5709L

      Date Announced:
      MAR 04, 2021
      NHTSA ID:
      #10190357

      This Preliminary information communicates the transmission used in the 2020 and 2021 Corvette is on exchange with the supplier for early root cause analysis.  Read More »

    • TSB #PIP5733G

      Date Announced:
      DEC 18, 2020
      NHTSA ID:
      #10187197

      This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history.  Under Investigation Read More »

    • TSB #PIP5709H

      Date Announced:
      DEC 02, 2020
      NHTSA ID:
      #10185710

      This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier for early root cause analysis.  Read More »

    • TSB #PIP5709G

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187158

      This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier for early root cause analysis.  Read More »

    • TSB #PIP5709G

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10185707

      This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier for early root cause analysis.  Read More »

    • TSB #PIP5703A

      Date Announced:
      NOV 16, 2020
      NHTSA ID:
      #10184114

      This Preliminary information communicates that the transmission control module is on restriction to help engineering root cause any early issue. Part restriction ended on 11/17/2020. Read More »

    • TSB #N202316880

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184524

      Service Update - Certain 2020 model year Chevrolet Corvette vehicles may have a condition where diagnostic trouble codes (DTC?s) P1967 and/or P1968 may falsely set in the transmission control module (TCM) due to an internal software ... Read More »

    • TSB #PIP5709F

      Date Announced:
      NOV 02, 2020
      NHTSA ID:
      #10184092

      This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier for early root cause analysis.  Read More »

    • TSB #PIP5757A

      Date Announced:
      NOV 02, 2020
      NHTSA ID:
      #10184093

      This Preliminary information communicates an anomaly in the transmission control module to erroneously set diagnostic trouble codes.   Read More »

    • TSB #PIP5757

      Date Announced:
      OCT 13, 2020
      NHTSA ID:
      #10182551

      This Preliminary information communicates an anomaly in the transmission control module to erroneously set diagnostic trouble codes.   Read More »

    • TSB #PIP5709E

      Date Announced:
      OCT 07, 2020
      NHTSA ID:
      #10182538

      This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier for early root cause analysis.  Read More »

    • TSB #PIP5709D

      Date Announced:
      SEP 24, 2020
      NHTSA ID:
      #10181163

      This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier for early root cause analysis.  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 #PIP5709C

      Date Announced:
      AUG 28, 2020
      NHTSA ID:
      #10179660

      This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier for early root cause analysis.  Read More »

    • TSB #PIP5709B

      Date Announced:
      AUG 12, 2020
      NHTSA ID:
      #10179634

      This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier for early root cause analysis.  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 #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 #PIP5709A

      Date Announced:
      MAY 14, 2020
      NHTSA ID:
      #10176317

      This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier for early root cause analysis.  Read More »

    • TSB #PIP5703

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10172337

      This Preliminary information communicates that the transmission control module is on restiction to help engineering root cause any early issue.  Read More »

    • TSB #PIP5709

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10172340

      This Preliminary information communicates the transmission used in the 2020 Corvette is on exchange with the supplier for early root cause analysis.  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 #16NA361

      Date Announced:
      OCT 08, 2019
      NHTSA ID:
      #10168176

      This informational bulletin explains possible normal condition of a flare from 1st to 2nd, even if the trans had been repaired for the flare and its still noticed. Read More »

    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 #PIE0690A

      Date Announced:
      MAY 06, 2022
      NHTSA ID:
      #10211940

      This engineering information (EI) closure ends the need for further information from the field in regards to a Transmission Hot message displayed on DIC and/or Vehicle Will Not Disengage from Park, DTCs P0606, P0607 Set. Read More »

    • TSB #PIP5818A

      Date Announced:
      NOV 30, 2021
      NHTSA ID:
      #10204462

      This Preliminary information communicates additional diagnostics for P1789.  Read More »

    • TSB #PIE0669

      Date Announced:
      NOV 02, 2021
      NHTSA ID:
      #10205749

      This engineering information (EI) is requesting dealership personnel that when it comes to the scheduled maintenance at 12,070 km (7500 mi), or within the first year of ownership, to send engineering the Dual Clutch Canister Transmission ... 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 #16NA361

      Date Announced:
      AUG 10, 2020
      NHTSA ID:
      #10180293

      This informational bulletin explains possible normal condition of a flare from 1st to 2nd, even if the trans had been repaired for the flare and its still noticed. Read More »

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

    • TSB #PIP5797C

      Date Announced:
      FEB 09, 2022
      NHTSA ID:
      #10208979

      This Preliminary information communicates the need to replace the transmission assembly for faults related to non-serviceable internal parts..  Read More »

    • TSB #21NA033

      Date Announced:
      DEC 15, 2021
      NHTSA ID:
      #10212566

      This service bulletin provides a procedure to perform a transmission solenoid clean procedure 3 times depending on what DTC has set. 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 »

    ELECTRICAL SYSTEM

    • TSB #PIT5287H

      Date Announced:
      APR 19, 2022
      NHTSA ID:
      #10211769

      This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool. Read More »

    • TSB #22-NA-084

      Date Announced:
      APR 14, 2022
      NHTSA ID:
      #10210582

      This service bulletin provides information for dealers/technicians on on unable to open folding top, DTC B19E1 sym64 possibly set. Read More »

    • TSB #PIE0690

      Date Announced:
      APR 08, 2022
      NHTSA ID:
      #10210443

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Transmission Hot message displayed on DIC and/or Vehicle Will Not Disengage ... 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 #PIE0681

      Date Announced:
      MAR 07, 2022
      NHTSA ID:
      #10209398

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon (SES) lamp illuminated on the driver information center ... Read More »

    • TSB #PIP5757B

      Date Announced:
      MAR 04, 2022
      NHTSA ID:
      #10210318

      This Preliminary information communicates an anomaly in the transmission control module to erroneously set diagnostic trouble codes.   Read More »

    • TSB #21-NA-094

      Date Announced:
      MAR 03, 2022
      NHTSA ID:
      #10208898

      This service bulletin provides repair information to correct a customer concern of hood ajar message displayed on DIC, hood may not open using any electrical release buttons, but will open using manual release cable. Read More »

    • TSB #20-NA-207

      Date Announced:
      MAR 03, 2022
      NHTSA ID:
      #10209097

      This service bulletin informs the technician to inspect for a possible electrical concern at the ECM X2 electrical connector to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated - DTC P0333 Set. Read More »

    • 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 #PIC6384H

      Date Announced:
      JAN 24, 2022
      NHTSA ID:
      #10208051

      This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon. Read More »

    • TSB #PIP5818

      Date Announced:
      AUG 19, 2021
      NHTSA ID:
      #10201322

      This Preliminary information communicates additional diagnostics for P1789.  Read More »

    • TSB #PIC6384H

      Date Announced:
      JUL 26, 2021
      NHTSA ID:
      #10201257

      This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon. Read More »

    • TSB #PIC6441

      Date Announced:
      JUL 15, 2021
      NHTSA ID:
      #10201184

       This Preliminary Information communicates programming direction for replacing the K218 module in this vehicle.   Read More »

    • TSB #PIC6384G

      Date Announced:
      JUN 30, 2021
      NHTSA ID:
      #10201299

      This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon. Read More »

    • TSB #21NA131

      Date Announced:
      JUN 02, 2021
      NHTSA ID:
      #10200134

      This service bulletin provides repair information to correct a customer concern of Memory Seat Module Does Not Adjust. Read More »

    • TSB #PIE0643

      Date Announced:
      JUN 01, 2021
      NHTSA ID:
      #10200171

      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 on Driver Information Center ... Read More »

    • TSB #PIC6392C

      Date Announced:
      MAY 25, 2021
      NHTSA ID:
      #10197307

      This Preliminary information communicates a parts restriction is in place for the Sensing and Diagnostic Module on 2020 Cadillac CT4, CT5 and Chevrolet Corvette. Read More »

    • TSB #PIC6384F

      Date Announced:
      MAY 25, 2021
      NHTSA ID:
      #10197305

      This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon. 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 #21NA094

      Date Announced:
      MAY 20, 2021
      NHTSA ID:
      #10199267

      This service bulletin provides repair information to correct a customer concern of hood ajar message displayed on DIC, hood may not open using any electrical release buttons, but will open using manual release cable. Read More »

    • TSB #PIC6437

      Date Announced:
      MAY 11, 2021
      NHTSA ID:
      #10197293

      This Preliminary information communicates the Radio may stay on after ignition off and door opened if there is an Over The Air update pending and to review SI document ID 5778263 for Over The Air update description and operation. Read More »

    • TSB #20NA218

      Date Announced:
      MAY 07, 2021
      NHTSA ID:
      #10199253

      This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. Read More »

    • TSB #20NA042

      Date Announced:
      MAY 05, 2021
      NHTSA ID:
      #10199245

      This service bulletin provides a service procedure to correct a customer concern of Fuel Gauge May Intermittently Display Erratic and/or Empty Readings and MIL with DTC P0462. Read More »

    • TSB #PIE0613A

      Date Announced:
      MAY 04, 2021
      NHTSA ID:
      #10200099

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

    • TSB #PIC6384E

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10197280

      This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon. 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 #PIT5782C

      Date Announced:
      APR 16, 2021
      NHTSA ID:
      #10193456

      This Preliminary information communicates and issue with programming a replacement side object detection module and engineering is working on the issue. Read More »

    • TSB #PIC6383E

      Date Announced:
      APR 12, 2021
      NHTSA ID:
      #10193448

      This Preliminary information communicates a parts restriction is in place for the Video Processing Module on 2020 Cadillac CT4,CT5 and Chevrolet Corvette. Restriction has now ended.  Read More »

    • TSB #21NA060

      Date Announced:
      MAR 10, 2021
      NHTSA ID:
      #10192030

      This service bulletin describes the TLC/SPS2 Module Programming Requirements for Vehicles Using GM?s New Vehicle Intelligence Platform (VIP) Module Architecture. 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 #20NA123

      Date Announced:
      MAR 08, 2021
      NHTSA ID:
      #10191205

      This service bulletin provides repair information to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated with DTCs U1961, U1983 setting. Read More »

    • TSB #PIT5817A

      Date Announced:
      MAR 08, 2021
      NHTSA ID:
      #10190367

      This Preliminary information communicates and issue with a SES MIL and the BCM keeping the ignition main relay on after the vehicle is turned off.  Dealers are to replace the BCM.  Read More »

    • TSB #PIC6384D

      Date Announced:
      MAR 01, 2021
      NHTSA ID:
      #10190351

      This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon. 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 OnStarŽ Vehicle Communication Interface Modules (VCIM) (GMNA Only) has ended. Read More »

    • TSB #PIT5799A

      Date Announced:
      DEC 18, 2020
      NHTSA ID:
      #10187196

      This Preliminary information communicates a cocnern where a flashing spot can intermittently show up on the radio display while in reverse. The PI advises that engineering is investigating the concern. Read More »

    • TSB #PIC6385B

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10187187

      This Preliminary information communicates a parts restriction is in place for the exterior lighting module on 2020 Cadillac CT4, CT5 and Chevrolet Corvette. Read More »

    • TSB #PIC6385B

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10185736

      This Preliminary information communicates a parts restriction is in place for the exterior lighting module on 2020 Cadillac CT4, CT5 and Chevrolet Corvette. Read More »

    • TSB #20NA114

      Date Announced:
      DEC 07, 2020
      NHTSA ID:
      #10186079

      This informational bulletin provides information for dealers/technicians on the false setting of DTC U0212. Read More »

    • TSB #PIP5752G

      Date Announced:
      NOV 20, 2020
      NHTSA ID:
      #10184135

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and  engine noise with possible of DTC P0300 P0106 P0506,  Possible valve spring concern  Read More »

    • TSB #PIT5799

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10184127

      This Preliminary information communicates a cocnern where a flashing spot can intermittently show up on the radio display while in reverse. The PI advises that engineering is investigating the concern. Read More »

    • TSB #PIT5782A

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10184130

      This Preliminary information communicates and issue with programming a replacement side object detection module and engineering is working on the issue. Read More »

    • TSB #PIP5703A

      Date Announced:
      NOV 16, 2020
      NHTSA ID:
      #10184114

      This Preliminary information communicates that the transmission control module is on restriction to help engineering root cause any early issue. Part restriction ended on 11/17/2020. Read More »

    • TSB #20NA123

      Date Announced:
      NOV 13, 2020
      NHTSA ID:
      #10184488

      This service bulletin provides repair information to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated with DTCs U1961, U1983 setting. Read More »

    • TSB #N202316880

      Date Announced:
      NOV 12, 2020
      NHTSA ID:
      #10184524

      Service Update - Certain 2020 model year Chevrolet Corvette vehicles may have a condition where diagnostic trouble codes (DTC?s) P1967 and/or P1968 may falsely set in the transmission control module (TCM) due to an internal software ... Read More »

    • TSB #20NA217

      Date Announced:
      NOV 10, 2020
      NHTSA ID:
      #10184496

      This service bulletin provides information/service procedure for dealers/technicians on Improved Electronic Limited Slip Differential (ELSD) Calibration. Read More »

    • TSB #PIP5757A

      Date Announced:
      NOV 02, 2020
      NHTSA ID:
      #10184093

      This Preliminary information communicates an anomaly in the transmission control module to erroneously set diagnostic trouble codes.   Read More »

    • TSB #20NA214

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183212

      This informational bulletin provides information for dealers/technicians on a customer concern of a front side door window intermittently auto reverses when going up or down. Read More »

    • TSB #PIC6391D

      Date Announced:
      OCT 28, 2020
      NHTSA ID:
      #10182579

      This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Electronic Brake Boost Control Module and  Valve Kit, Brake Pressure Modulator. 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 #PIC6390B

      Date Announced:
      OCT 20, 2020
      NHTSA ID:
      #10182560

      This Preliminary information communicates a parts restriction is in place for the Central Gateway Module on 2020 Cadillac CT4, CT5, and Chevrolet Corvette. Read More »

    • TSB #19NA046

      Date Announced:
      OCT 13, 2020
      NHTSA ID:
      #10183145

      This informational bulletin provides information for dealers, technicians and customers on the eLSD Wheel Slip Display in DIC. Read More »

    • TSB #PIC6391C

      Date Announced:
      SEP 28, 2020
      NHTSA ID:
      #10181170

      This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Electronic Brake Boost Control Module and  Valve Kit, Brake Pressure Modulator. 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 #20NA172

      Date Announced:
      AUG 27, 2020
      NHTSA ID:
      #10180693

      This informational bulletin provides information on Remote Keyless Entry (RKE) System Operational Change for Front Trunk Function. Read More »

    • TSB #20NA075

      Date Announced:
      AUG 13, 2020
      NHTSA ID:
      #10180309

      This informational bulletin provides information for dealers/technicians on No MIL illuminated, ignore these DTCs if set in History. 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 #PIT5411U

      Date Announced:
      AUG 05, 2020
      NHTSA ID:
      #10179623

      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 #20NA140

      Date Announced:
      JUN 24, 2020
      NHTSA ID:
      #10178290

      This technical bulletin provides a Service Procedure for dealers/technicians on Service Front Leveling System Message - DTC U3000 SYM49 Stored. Read More »

    • TSB #PIC6403B

      Date Announced:
      JUN 16, 2020
      NHTSA ID:
      #10178330

      This Preliminary information communicates to the dealer that programming modules must be done in OFF power module using MDI2 on 2020 Cadillac CT4,CT5, and Chevrolet Corvette. Read More »

    • TSB #PIC6391B

      Date Announced:
      JUN 10, 2020
      NHTSA ID:
      #10178318

      This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Electronic Brake Boost Control Module and  Valve Kit, Brake Pressure Modulator. Read More »

    • TSB #20NA018

      Date Announced:
      JUN 08, 2020
      NHTSA ID:
      #10178262

      This informational bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP). Read More »

    • TSB #20NA123

      Date Announced:
      JUN 02, 2020
      NHTSA ID:
      #10178278

      This informational bulletin provides information for the technicians to clear DTCs and allow the vehicle to go into sleep mode to correct the Malfunction Indicator Lamp (MIL) Illuminated and to stop DTCs setting. Read More »

    • TSB #PIC6407B

      Date Announced:
      MAY 29, 2020
      NHTSA ID:
      #10176337

      This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Amplifier. 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 #PIC6403B

      Date Announced:
      MAY 19, 2020
      NHTSA ID:
      #10176319

      This Preliminary information communicates to the dealer that programming modules must be done in OFF power module using MDI2 on 2020 Cadillac CT4,CT5, and Chevrolet Corvette. Read More »

    • TSB #PIC6403A

      Date Announced:
      MAY 19, 2020
      NHTSA ID:
      #10176320

      This Preliminary information communicates to the dealer that programming modules must be done in OFF power module using MDI2 on 2020 Cadillac CT4,CT5, and Chevrolet Corvette. Read More »

    • TSB #PIT5411T

      Date Announced:
      MAY 04, 2020
      NHTSA ID:
      #10176299

      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 #PIC6384B

      Date Announced:
      APR 29, 2020
      NHTSA ID:
      #10174866

      This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, and Chevrolet Corvette. Read More »

    • TSB #20NA091

      Date Announced:
      APR 16, 2020
      NHTSA ID:
      #10175769

      This informational bulletin provides information for dealers/technicians on power seat, power mirrors and steering wheel entry/exit memory recall settings intermittently inoperative. Read More »

    • TSB #PIC6381B

      Date Announced:
      MAR 25, 2020
      NHTSA ID:
      #10173720

      This Preliminary information communicates a parts restriction is in place for the Suspension Control Module on 2020 Cadillac CT4, CT5, and Chevrolet Corvette. Read More »

    • TSB #20NA075

      Date Announced:
      MAR 20, 2020
      NHTSA ID:
      #10174294

      This informational bulletin provides information for dealers/technicians on No MIL illuminated, ignore these DTCs if set in History. Read More »

    • TSB #PIC6383B

      Date Announced:
      MAR 19, 2020
      NHTSA ID:
      #10173711

      This Preliminary information communicates a parts restriction is in place for the Video Processing Module on 2020 Cadillac CT4,CT5 and Chevrolet Corvette. . Read More »

    • TSB #PIC6392A

      Date Announced:
      MAR 16, 2020
      NHTSA ID:
      #10173702

      This Preliminary information communicates a parts restriction is in place for the Sensing and Diagnostic Module on 2020 Cadillac CT4, CT5 and Chevrolet Corvette. Read More »

    • TSB #PIC6407

      Date Announced:
      MAR 16, 2020
      NHTSA ID:
      #10173704

      This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Amplifier. Read More »

    • TSB #PIC6391A

      Date Announced:
      MAR 13, 2020
      NHTSA ID:
      #10173693

      This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Electronic Brake Boost Control Module and  Valve Kit, Brake Pressure Modulator. Read More »

    • TSB #PIC6385A

      Date Announced:
      MAR 13, 2020
      NHTSA ID:
      #10173695

      This Preliminary information communicates a parts restriction is in place for the exterior lighting module on 2020 Cadillac CT4, CT5 and Chevrolet Corvette. Read More »

    • TSB #PIC6384A

      Date Announced:
      MAR 13, 2020
      NHTSA ID:
      #10173696

      This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, and Chevrolet Corvette. Read More »

    • TSB #PIC6390A

      Date Announced:
      MAR 13, 2020
      NHTSA ID:
      #10173697

      This Preliminary information communicates a parts restriction is in place for the Central Gateway Module on 2020 Cadillac CT4, CT5, and Chevrolet Corvette. Read More »

    • TSB #PIC6383A

      Date Announced:
      MAR 12, 2020
      NHTSA ID:
      #10173687

      This Preliminary information communicates a parts restriction is in place for the Video Processing Module on 2020 Cadillac CT5. Read More »

    • TSB #PIP5713

      Date Announced:
      MAR 09, 2020
      NHTSA ID:
      #10173678

      This Preliminary information communicates P16F3 setting after performing a cylinder deactivation tes with GDS A software anomaly clear the codes when done with the test.  Do not replace the ECM  Read More »

    • TSB #PIP5703

      Date Announced:
      FEB 28, 2020
      NHTSA ID:
      #10172337

      This Preliminary information communicates that the transmission control module is on restiction to help engineering root cause any early issue.  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:INTERIOR LAMPS/BULBS

    • TSB #PIC6451A

      Date Announced:
      APR 19, 2022
      NHTSA ID:
      #10211768

       This Preliminary Information communicates diagnostic information for a dealership technician to address a paint chip in the front fascia near the headlamp capsule.   Read More »

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

    • TSB #PIP5818A

      Date Announced:
      NOV 30, 2021
      NHTSA ID:
      #10204462

      This Preliminary information communicates additional diagnostics for P1789.  Read More »

    • 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 #N202308320

      Date Announced:
      OCT 01, 2020
      NHTSA ID:
      #10183218

      Customer Satisfaction Program - Certain 2020 model year Cadillac CT4, CT5, and Chevrolet Corvette vehicles, equipped with the Cadillac User Experience with embedded navigation or the Infotainment 3 premium system w/navigation (RPO IOT), ... 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: INSTRUMENT CLUSTER/PANEL

    • TSB #PIE0643

      Date Announced:
      JUN 01, 2021
      NHTSA ID:
      #10200171

      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 on Driver Information Center ... 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 #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:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER

    • TSB #PIT5851

      Date Announced:
      SEP 07, 2021
      NHTSA ID:
      #10202388

      This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue. Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #N202319660

      Date Announced:
      NOV 20, 2020
      NHTSA ID:
      #10184527

      Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Read More »

    • TSB #N202314260

      Date Announced:
      OCT 20, 2020
      NHTSA ID:
      #10183227

      Service Update - certain vehicles may have a condition when the front trunk is open and the vehicle speed is above 1. 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 »

    • TSB #PIC6388B

      Date Announced:
      JUL 29, 2020
      NHTSA ID:
      #10178392

      This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, and CT5 Side Blind Zone Module. Read More »

    ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS

    • TSB #PIE0690

      Date Announced:
      APR 08, 2022
      NHTSA ID:
      #10210443

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Transmission Hot message displayed on DIC and/or Vehicle Will Not Disengage ... Read More »

    ELECTRICAL SYSTEM:ADAS:HUD:SOFTWARE

    • TSB #19NA010

      Date Announced:
      JUN 08, 2020
      NHTSA ID:
      #10178255

      This informational bulletin provides information for dealers/technicians on Head-Up Display (HUD) on Vehicles Model Year 2017 and Newer Having Rotational Feature that Allows for Adjusting of Angle of HUD Image. Read More »

    EXTERIOR LIGHTING

    • TSB #010842001N

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

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

    • TSB #PIC6385B

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10187187

      This Preliminary information communicates a parts restriction is in place for the exterior lighting module on 2020 Cadillac CT4, CT5 and Chevrolet Corvette. Read More »

    • TSB #PIC6385B

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10185736

      This Preliminary information communicates a parts restriction is in place for the exterior lighting module on 2020 Cadillac CT4, CT5 and Chevrolet Corvette. Read More »

    • TSB #PIC6385A

      Date Announced:
      MAR 13, 2020
      NHTSA ID:
      #10173695

      This Preliminary information communicates a parts restriction is in place for the exterior lighting module on 2020 Cadillac CT4, CT5 and Chevrolet Corvette. Read More »

    LIGHTING (PWS)

    • TSB #010842001M

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

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

    EXTERIOR LIGHTING:TURN SIGNAL

    • TSB #PIE0625A

      Date Announced:
      JUN 10, 2021
      NHTSA ID:
      #10200163

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a turn signal not canceling and/or mis-canceling. Read More »

    EXTERIOR LIGHTING:TURN SIGNAL:SWITCH

    • TSB #PIE0625

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10191253

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a turn signal not canceling and/or mis-canceling. Read More »

    VISIBILITY

    • TSB #21NA251

      Date Announced:
      NOV 05, 2021
      NHTSA ID:
      #10205573

      This service bulletin provides information for dealers/technicians on an appearance concern with driver outside rearview mirror dimming. Read More »

    • TSB #PIC6388A

      Date Announced:
      MAR 12, 2020
      NHTSA ID:
      #10173691

      This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, and CT5 Side Blind Zone Module. Read More »

    VISIBILITY:GLASS, SIDE/REAR

    • TSB #21NA152

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

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

    • TSB #PI0754D

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

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

    • TSB #20NA214

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183212

      This informational bulletin provides information for dealers/technicians on a customer concern of a front side door window intermittently auto reverses when going up or down. 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:CONDENSOR/EVAPORATOR

    • TSB #PIP5786A

      Date Announced:
      MAR 17, 2021
      NHTSA ID:
      #10190409

      This Preliminary information communicates  I vehicle may come in with a need to test the EVAP system for a leaks. CH-52519 modification Read More »

    AIR BAGS

    • TSB #21NA283

      Date Announced:
      DEC 06, 2021
      NHTSA ID:
      #10207920

      This service bulletin provides a service procedure to correct a customer concern of a Service Front Suspension Lift System Message Displayed on Driver Information Center (DIC) with DTC C103C and/or C103E Symptom 64 Set. 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 »

    STRUCTURE

    • TSB #22-NA-084

      Date Announced:
      APR 14, 2022
      NHTSA ID:
      #10210582

      This service bulletin provides information for dealers/technicians on on unable to open folding top, DTC B19E1 sym64 possibly set. Read More »

    • TSB #22-NA-081

      Date Announced:
      APR 13, 2022
      NHTSA ID:
      #10210574

      This service bulletin provides repair information to correct a customer concern of paint peeling or chipping on the front fascia at the headlamp or fender seam. 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 #PIC6453

      Date Announced:
      MAR 22, 2022
      NHTSA ID:
      #10210338

       This Preliminary information communicates repair direction to the body shop for a paint code on a hard to find low gloss black coating.  Read More »

    • TSB #PIC6378B

      Date Announced:
      MAR 03, 2022
      NHTSA ID:
      #10210316

       This Preliminary Information communicates helpful information on diagnosing general customer concerns related to a power folding top.   Read More »

    • TSB #PIC6451

      Date Announced:
      MAR 03, 2022
      NHTSA ID:
      #10210317

       This Preliminary Information communicates diagnostic information for a dealership technician to address a paint chip in the front fascia near the headlamp capsule.   Read More »

    • TSB #PIC6384H

      Date Announced:
      JAN 24, 2022
      NHTSA ID:
      #10208051

      This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon. Read More »

    • TSB #PIC6445

      Date Announced:
      AUG 31, 2021
      NHTSA ID:
      #10201332

       This Preliminary information communicates information to the dealership technician on how to resolve a cosmetic gap in the carpeting near the center console area.   Read More »

    • TSB #PIC6384H

      Date Announced:
      JUL 26, 2021
      NHTSA ID:
      #10201257

      This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon. Read More »

    • TSB #PIC6384F

      Date Announced:
      MAY 25, 2021
      NHTSA ID:
      #10197305

      This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon. Read More »

    • TSB #N212330480

      Date Announced:
      MAY 20, 2021
      NHTSA ID:
      #10197325

      Service Update. On certain vehicles, there may be a hydraulic lift fluid leak at the front right hand (passenger) side of the vehicle. Dealers are to replace the front hydraulic lift fluid reservoir vented cap with a non-vented cap. Read More »

    • TSB #PIC6384E

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10197280

      This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon. Read More »

    • TSB #PIC6384D

      Date Announced:
      MAR 01, 2021
      NHTSA ID:
      #10190351

      This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon. 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 #PIE0571A

      Date Announced:
      AUG 20, 2020
      NHTSA ID:
      #10180701

      This engineering information (EI) ends the need for information from the field regarding a hood alignment panel being sub-flush to fenders. 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 #20NA124

      Date Announced:
      JUN 04, 2020
      NHTSA ID:
      #10178279

      This technical bulletin provides repair information to correct a customer concern of seeing a small front fascia paint chip below one or more headlamps. Read More »

    • TSB #20NA125

      Date Announced:
      JUN 04, 2020
      NHTSA ID:
      #10178280

      This technical bulletin provides repair information to correct a customer concern of hearing a rattle or creak noise from the quarter panel area while traveling at highway speeds. Read More »

    • TSB #PIE0571

      Date Announced:
      MAY 20, 2020
      NHTSA ID:
      #10176660

      This engineering information (EI) is requesting information from the field to determine the root cause and validate a field fix for a hood alignment panel being sub-flush to fenders. Read More »

    • TSB #PIC6384B

      Date Announced:
      APR 29, 2020
      NHTSA ID:
      #10174866

      This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, and Chevrolet Corvette. Read More »

    • TSB #PIC6384A

      Date Announced:
      MAR 13, 2020
      NHTSA ID:
      #10173696

      This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, and Chevrolet Corvette. 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 #20NA214

      Date Announced:
      OCT 30, 2020
      NHTSA ID:
      #10183212

      This informational bulletin provides information for dealers/technicians on a customer concern of a front side door window intermittently auto reverses when going up or down. Read More »

    • TSB #N202302840

      Date Announced:
      APR 28, 2020
      NHTSA ID:
      #10174816

      Service Update - Certain 2020 model year Chevrolet Corvette vehicles may have a fender mounting bolt that is too long, and could come in contact with the door. Dealers will inspect and replace the fender mounting bolt if necessary. Read More »

    STRUCTURE:BODY:HOOD

    • TSB #21-NA-094

      Date Announced:
      MAR 03, 2022
      NHTSA ID:
      #10208898

      This service bulletin provides repair information to correct a customer concern of hood ajar message displayed on DIC, hood may not open using any electrical release buttons, but will open using manual release cable. Read More »

    STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS

    • TSB #N202314260

      Date Announced:
      OCT 20, 2020
      NHTSA ID:
      #10183227

      Service Update - certain vehicles may have a condition when the front trunk is open and the vehicle speed is above 1. Read More »

    LATCHES/LOCKS/LINKAGES

    • TSB #21-NA-094

      Date Announced:
      MAR 03, 2022
      NHTSA ID:
      #10208898

      This service bulletin provides repair information to correct a customer concern of hood ajar message displayed on DIC, hood may not open using any electrical release buttons, but will open using manual release cable. Read More »

    • TSB #21NA094

      Date Announced:
      MAY 20, 2021
      NHTSA ID:
      #10198876

      This service bulletin provides repair information to correct a customer concern of hood ajar message displayed on DIC, hood may not open using any electrical release buttons, but will open using manual release cable. 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 #130310001H

      Date Announced:
      MAY 06, 2021
      NHTSA ID:
      #10200093

      This service bulletin provides information on summer tire performance and tire cold weather cracking. Read More »

    • TSB #17NA087

      Date Announced:
      MAY 05, 2021
      NHTSA ID:
      #10199230

      This informational bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining. Read More »

    • TSB #17NA087

      Date Announced:
      MAY 05, 2021
      NHTSA ID:
      #10198839

      This informational bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining. Read More »

    • 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 #17NA087

      Date Announced:
      OCT 12, 2020
      NHTSA ID:
      #10183133

      This informational bulletin provides information on Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining. Read More »

    • TSB #130310001G

      Date Announced:
      OCT 09, 2020
      NHTSA ID:
      #10183781

      This service bulletin provides information on tire cold weather cracking and the proper techniques on taking care of the tires and proper use. Read More »

    • TSB #000310003Z

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

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

    • TSB #050310020G

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

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

    • TSB #000310003Y

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

      This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty. Read More »

    • TSB #080310006G

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

      This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »

    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 #09-04-20-001G

      Date Announced:
      MAY 06, 2022
      NHTSA ID:
      #10211657

      This informational bulletin provides information to address a chatter noise during low speed tight turn conditions (i.e. parking lot, driveway, etc.) primarily during cooler ambient temperatures. Read More »

    • 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 #13-03-10-001I

      Date Announced:
      MAR 08, 2022
      NHTSA ID:
      #10209137

      This service bulletin provides information on summer tire performance and tire cold weather cracking. 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 #N202315730

      Date Announced:
      APR 19, 2021
      NHTSA ID:
      #10194129

      Service update - certain vehicles may have a condition where exposed porosity in wheel castings are larger than allowed and do not meet internal GM requirements. Dealers are to inspect the wheels and replace if necessary. Read More »

    • TSB #N202315731

      Date Announced:
      APR 19, 2021
      NHTSA ID:
      #10194130

      Service Update - certain vehicles may have a condition where exposed porosity in wheel castings are larger than allowed and do not meet internal GM requirements. Vehicles in this field action are to have two sets of wheels inspected. Read More »

    • TSB #N202315730

      Date Announced:
      MAR 29, 2021
      NHTSA ID:
      #10190777

      Service update - certain vehicles may have a condition where exposed porosity in wheel castings are larger than allowed and do not meet internal GM requirements. Dealers are to inspect the wheels and replace if necessary. Read More »

    • TSB #N202315731

      Date Announced:
      MAR 29, 2021
      NHTSA ID:
      #10190778

      Service Update - certain vehicles may have a condition where exposed porosity in wheel castings are larger than allowed and do not meet internal GM requirements. Vehicles in this field action are to have two sets of wheels inspected. 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 #19NA046

      Date Announced:
      OCT 13, 2020
      NHTSA ID:
      #10183145

      This informational bulletin provides information for dealers, technicians and customers on the eLSD Wheel Slip Display in DIC. 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 #20NA091

      Date Announced:
      APR 16, 2020
      NHTSA ID:
      #10175769

      This informational bulletin provides information for dealers/technicians on power seat, power mirrors and steering wheel entry/exit memory recall settings intermittently inoperative. 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 »

    SEATS

    • TSB #20NA133

      Date Announced:
      JUN 12, 2020
      NHTSA ID:
      #10178283

      This informational bulletin provides information for dealers/technicians on the removal of the Z51 spoiler to install the high wing accessory spoiler. Read More »

    SEATS:FRONT ASSEMBLY:POWER ADJUST

    • TSB #21NA131

      Date Announced:
      JUN 02, 2021
      NHTSA ID:
      #10200134

      This service bulletin provides repair information to correct a customer concern of Memory Seat Module Does Not Adjust. Read More »

    ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

    • TSB #21NA283

      Date Announced:
      DEC 06, 2021
      NHTSA ID:
      #10207920

      This service bulletin provides a service procedure to correct a customer concern of a Service Front Suspension Lift System Message Displayed on Driver Information Center (DIC) with DTC C103C and/or C103E Symptom 64 Set. Read More »

    • TSB #PIC6434A

      Date Announced:
      NOV 08, 2021
      NHTSA ID:
      #10204443

       This Preliminary Information communicates diagnostic tips for a technician to diagnose a C103C / C103E set in the K218 Front Suspension Lift System.   Read More »

    • TSB #21NA117

      Date Announced:
      MAY 17, 2021
      NHTSA ID:
      #10199277

      This service bulletin provides information and programming procedures for dealers/technicians on the release of Radio Software Update Version GB108. Read More »

    • TSB #PIC6434

      Date Announced:
      MAR 23, 2021
      NHTSA ID:
      #10190423

       This Preliminary Information communicates diagnostic tips for a technician to diagnose a C103C / C103E set in the K218 Front Suspension Lift System.   Read More »

    LANE DEPARTURE: BLIND SPOT DETECTION

    • TSB #PIC6388B

      Date Announced:
      JUL 29, 2020
      NHTSA ID:
      #10178392

      This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, and CT5 Side Blind Zone Module. Read More »

    • TSB #PIC6388A

      Date Announced:
      MAR 12, 2020
      NHTSA ID:
      #10173691

      This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, and CT5 Side Blind Zone Module. Read More »

    BACK OVER PREVENTION

    • TSB #21NA091

      Date Announced:
      NOV 17, 2021
      NHTSA ID:
      #10205548

      This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Rear View Camera Display. Read More »

    • TSB #17NA040

      Date Announced:
      AUG 27, 2021
      NHTSA ID:
      #10205043

      This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies. Read More »

    • TSB #PIP5752M

      Date Announced:
      JUN 01, 2021
      NHTSA ID:
      #10201265

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and  engine noise with possible of DTC P0300 P0106 P0506,  Possible valve spring concern  Read More »

    • TSB #21NA091

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10199265

      This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Rear View Camera Display. Read More »

    • TSB #21NA091

      Date Announced:
      MAY 03, 2021
      NHTSA ID:
      #10198874

      This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Rear View Camera Display. Read More »

    • TSB #PIT5782C

      Date Announced:
      APR 16, 2021
      NHTSA ID:
      #10193456

      This Preliminary information communicates and issue with programming a replacement side object detection module and engineering is working on the issue. Read More »

    • TSB #PIP5801A

      Date Announced:
      APR 09, 2021
      NHTSA ID:
      #10193446

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506,P3189, P318A, P318B, P318C, P318D, P318E, P318F, P3190 Possible broken valve ... Read More »

    • TSB #PIP5801

      Date Announced:
      APR 08, 2021
      NHTSA ID:
      #10193439

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506,P3189, P318A, P318B, P318C, P318D, P318E, P318F, P3190 Possible broken valve ... Read More »

    BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

    • TSB #PIT5799

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10184127

      This Preliminary information communicates a cocnern where a flashing spot can intermittently show up on the radio display while in reverse. The PI advises that engineering is investigating the concern. Read More »

    COMMUNICATION

    • TSB #PIT5832A

      Date Announced:
      JAN 26, 2022
      NHTSA ID:
      #10208059

      This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly. Read More »

    COMMUNICATION: VEHICLE TO INFRASTRUCTURE

    • TSB #PIT5762E

      Date Announced:
      JAN 31, 2022
      NHTSA ID:
      #10208076

      This Preliminary information communicates an issues with false codes setting in vehicles due to timing issues between the modules. Read More »

    • 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 #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 #22-NA-084

      Date Announced:
      APR 14, 2022
      NHTSA ID:
      #10210582

      This service bulletin provides information for dealers/technicians on on unable to open folding top, DTC B19E1 sym64 possibly set. 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 #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 #PIE0681

      Date Announced:
      MAR 07, 2022
      NHTSA ID:
      #10209398

      This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon (SES) lamp illuminated on the driver information center ... Read More »

    • TSB #PIC6378B

      Date Announced:
      MAR 03, 2022
      NHTSA ID:
      #10210316

       This Preliminary Information communicates helpful information on diagnosing general customer concerns related to a power folding top.   Read More »

    • TSB #PIP5818A

      Date Announced:
      NOV 30, 2021
      NHTSA ID:
      #10204462

      This Preliminary information communicates additional diagnostics for P1789.  Read More »

    • TSB #21NA249

      Date Announced:
      NOV 17, 2021
      NHTSA ID:
      #10205571

      This service bulletin provides repair information to correct a customer concern of the carpet appearance near the center console area. Read More »

    • TSB #21NA091

      Date Announced:
      NOV 17, 2021
      NHTSA ID:
      #10205548

      This service bulletin provides information for customers/dealers/technicians on Normal Rearview Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Rear View Camera Display. 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 #21NA251

      Date Announced:
      NOV 05, 2021
      NHTSA ID:
      #10205573

      This service bulletin provides information for dealers/technicians on an appearance concern with driver outside rearview mirror dimming. Read More »

    • TSB #PIC6445

      Date Announced:
      AUG 31, 2021
      NHTSA ID:
      #10201332

       This Preliminary information communicates information to the dealership technician on how to resolve a cosmetic gap in the carpeting near the center console area.   Read More »

    • TSB #PIP5821

      Date Announced:
      AUG 27, 2021
      NHTSA ID:
      #10201331

      This Preliminary information communicates request to have used filters returned for analysis.  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 #PIP5797A

      Date Announced:
      JUL 15, 2021
      NHTSA ID:
      #10201246

      This Preliminary information communicates the need to replace the transmission assembly for faults related to non-serviceable internal parts..  Read More »

    • TSB #21NA152

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

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

    • TSB #010842001N

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

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

    • TSB #990420002L

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

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

    • TSB #080730035E

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

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

    • TSB #070089037Q

      Date Announced:
      MAY 27, 2021
      NHTSA ID:
      #10200089

      This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs. Read More »

    • TSB #18NA306

      Date Announced:
      MAY 21, 2021
      NHTSA ID:
      #10199235

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #18NA306

      Date Announced:
      MAY 21, 2021
      NHTSA ID:
      #10198844

      This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). Read More »

    • TSB #21NA094

      Date Announced:
      MAY 20, 2021
      NHTSA ID:
      #10199267

      This service bulletin provides repair information to correct a customer concern of hood ajar message displayed on DIC, hood may not open using any electrical release buttons, but will open using manual release cable. 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 #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 #21NA117

      Date Announced:
      MAY 17, 2021
      NHTSA ID:
      #10198886

      This service bulletin provides information and programming procedures for dealers/technicians on the release of Radio Software Update Version GB108. Read More »

    • TSB #PIE0632

      Date Announced:
      MAY 04, 2021
      NHTSA ID:
      #10200104

      This engineering information (EI) requests dealership personnel involve GM Engineering in the event an Owner is in Receipt of a PAI (Proactive Alert Identifier) "SAC003" and/or the Dealer is informed of excessive Parasitic Drains on an ... 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 #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 #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 #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 #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 #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 #20NA218

      Date Announced:
      JAN 15, 2021
      NHTSA ID:
      #10187763

      This technical bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6. 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 #17NA040

      Date Announced:
      DEC 18, 2020
      NHTSA ID:
      #10186060

      This technical bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies. 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 #19NA218

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10186073

      This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine. 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 #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 #20NA114

      Date Announced:
      DEC 07, 2020
      NHTSA ID:
      #10186079

      This informational bulletin provides information for dealers/technicians on the false setting of DTC U0212. 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 #PIP5752G

      Date Announced:
      NOV 20, 2020
      NHTSA ID:
      #10184135

      This Preliminary information communicates A Vehicle may have a concern of service engine light, misfire and  engine noise with possible of DTC P0300 P0106 P0506,  Possible valve spring concern  Read More »

    • TSB #PIT5782A

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10184130

      This Preliminary information communicates and issue with programming a replacement side object detection module and engineering is working on the issue. Read More »

    • TSB #20NA123

      Date Announced:
      NOV 13, 2020
      NHTSA ID:
      #10184488

      This service bulletin provides repair information to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated with DTCs U1961, U1983 setting. Read More »

    • TSB #000310002L

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

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

    • TSB #990851001E

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

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

    • TSB #20NA213

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

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

    • TSB #PIC6378A

      Date Announced:
      OCT 29, 2020
      NHTSA ID:
      #10182581

       This Preliminary Information communicates helpful information on diagnosing general customer concerns related to a power folding top.   Read More »

    • TSB #20NA179

      Date Announced:
      OCT 23, 2020
      NHTSA ID:
      #10183195

      This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTCs P0521 and/or P06DD Set. Read More »

    • TSB #19NA046

      Date Announced:
      OCT 13, 2020
      NHTSA ID:
      #10183145

      This informational bulletin provides information for dealers, technicians and customers on the eLSD Wheel Slip Display in DIC. 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 #PIC6407D

      Date Announced:
      OCT 12, 2020
      NHTSA ID:
      #10182549

      This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Amplifier. 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 #PIP5693C

      Date Announced:
      SEP 28, 2020
      NHTSA ID:
      #10181171

      The Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for the E99 Engine Control Module. Read More »

    • TSB #17NA078

      Date Announced:
      SEP 18, 2020
      NHTSA ID:
      #10181664

      This informational bulletin provides information on Corvette and Camaro Exhaust Tone During Wide Open Throttle while in Sport or Track Modes and that this is considered a normal characteristic. Read More »

    • TSB #20NA157

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

      This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. Read More »

    • TSB #990089019U

      Date Announced:
      AUG 14, 2020
      NHTSA ID:
      #10180697

      This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. Read More »

    • TSB #PIP5733B

      Date Announced:
      AUG 06, 2020
      NHTSA ID:
      #10179625

      This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history.  Under Investigation Read More »

    • TSB #N202303030

      Date Announced:
      JUL 07, 2020
      NHTSA ID:
      #10178398

      Service Update - Certain 2020 model year Chevrolet Corvette vehicles may be missing the park brake caliper guide pin retention clip. A dislocated pin may damage the wheel. 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 #20NA018

      Date Announced:
      JUN 08, 2020
      NHTSA ID:
      #10178262

      This informational bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP). Read More »

    • TSB #110089005O

      Date Announced:
      JUN 02, 2020
      NHTSA ID:
      #10178291

      This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). Read More »

    • TSB #060089029T

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

      This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability. Read More »

    • TSB #PIE0571

      Date Announced:
      MAY 20, 2020
      NHTSA ID:
      #10176660

      This engineering information (EI) is requesting information from the field to determine the root cause and validate a field fix for a hood alignment panel being sub-flush to fenders. 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 #PIT5411T

      Date Announced:
      MAY 04, 2020
      NHTSA ID:
      #10176299

      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 #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 #N202302840

      Date Announced:
      APR 28, 2020
      NHTSA ID:
      #10174816

      Service Update - Certain 2020 model year Chevrolet Corvette vehicles may have a fender mounting bolt that is too long, and could come in contact with the door. Dealers will inspect and replace the fender mounting bolt if necessary. Read More »

    • TSB #PIC6407A

      Date Announced:
      APR 21, 2020
      NHTSA ID:
      #10174854

      This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Amplifier. Read More »

    • TSB #PIP5723

      Date Announced:
      APR 14, 2020
      NHTSA ID:
      #10174819

      This Preliminary information communicates Some customers may comment on a hiss or vacuum leak noise coming from the engine compartment during normal engine operation. 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 #PIC6409

      Date Announced:
      MAR 25, 2020
      NHTSA ID:
      #10173719

      This PI communicates a parts restriction is in effect on 2020 Chevrolet Corvette Leveling Control Module. Read More »

    • TSB #20NA075

      Date Announced:
      MAR 20, 2020
      NHTSA ID:
      #10174294

      This informational bulletin provides information for dealers/technicians on No MIL illuminated, ignore these DTCs if set in History. Read More »

    • TSB #PIC6407

      Date Announced:
      MAR 16, 2020
      NHTSA ID:
      #10173704

      This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Amplifier. 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 #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 #19NA218

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173397

      This technical bulletin provides a service procedure to correct a condition of Ticking Noise from 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 #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 #20NA016

      Date Announced:
      JAN 21, 2020
      NHTSA ID:
      #10172285

      This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the ... Read More »

    • TSB #16NA383

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

      This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »

    • TSB #PI0592F

      Date Announced:
      DEC 12, 2019
      NHTSA ID:
      #10170498

      This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961). Read More »

    • TSB #100089009D

      Date Announced:
      NOV 26, 2019
      NHTSA ID:
      #10169357

      This informational bulletin provides information on key code security rules and information on GM keycode look-up applications. Read More »

    • TSB #080089014F

      Date Announced:
      NOV 25, 2019
      NHTSA ID:
      #10169355

      This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). Read More »

    • TSB #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 »

    EQUIPMENT:ELECTRICAL

    • TSB #N212353390

      Date Announced:
      MAY 17, 2022
      NHTSA ID:
      #10211929

      Service Update Bulletin. Certain vehicles that had the Serial Data Gateway Module (SDGM) replaced in service, may not have been programmed correctly resulting in an incomplete registration of the new module. Read More »

    • 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 #PIC6407C

      Date Announced:
      SEP 21, 2020
      NHTSA ID:
      #10181155

      This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Amplifier. Read More »

    • TSB #PIT5411U

      Date Announced:
      AUG 05, 2020
      NHTSA ID:
      #10179623

      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 #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 »

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

    • TSB #PIT5799A

      Date Announced:
      DEC 18, 2020
      NHTSA ID:
      #10185745

      This Preliminary information communicates a cocnern where a flashing spot can intermittently show up on the radio display while in reverse. The PI advises that engineering is investigating the concern. 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 #N202303940

      Date Announced:
      OCT 28, 2020
      NHTSA ID:
      #10183230

      Service update - certain vehicles have an incorrect radio-frequency (RF) identification number on the RF label affixed to the back of the radio display. Dealers are to print the insert and place it in the owner manual. Read More »

    • TSB #N202308320

      Date Announced:
      OCT 01, 2020
      NHTSA ID:
      #10183218

      Customer Satisfaction Program - Certain 2020 model year Cadillac CT4, CT5, and Chevrolet Corvette vehicles, equipped with the Cadillac User Experience with embedded navigation or the Infotainment 3 premium system w/navigation (RPO IOT), ... Read More »

    EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE

    • TSB #N202308490

      Date Announced:
      MAY 10, 2021
      NHTSA ID:
      #10197320

      Service Update. Certain vehicles may have various updated software available as part of the radio continuous improvement. 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 #20NA038

      Date Announced:
      APR 08, 2021
      NHTSA ID:
      #10194084

      This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence. Read More »

    • TSB #PIT5832

      Date Announced:
      APR 06, 2021
      NHTSA ID:
      #10193434

      This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly. 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 OnStarŽ Vehicle Communication Interface Modules (VCIM) (GMNA Only) has ended. 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 #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 #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 #20NA061

      Date Announced:
      MAR 06, 2020
      NHTSA ID:
      #10174083

      This informational bulletin is to introduce the all new 2020 Chevrolet Corvette and provide an overview to help the Service Department Personnel become familiar with the engine, transmission, brake system and some of the other vehicle ... 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 #010089010N

      Date Announced:
      OCT 02, 2019
      NHTSA ID:
      #10168204

      This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). Read More »

    • TSB #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 »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #010842001N

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

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

    • TSB #080730035E

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

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

    • TSB #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 #19NA218

      Date Announced:
      DEC 16, 2020
      NHTSA ID:
      #10186073

      This technical bulletin provides a service procedure to correct a condition of Ticking Noise from the Engine. 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 #20NA123

      Date Announced:
      NOV 13, 2020
      NHTSA ID:
      #10184488

      This service bulletin provides repair information to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated with DTCs U1961, U1983 setting. 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 #19NA010

      Date Announced:
      JUN 08, 2020
      NHTSA ID:
      #10178255

      This informational bulletin provides information for dealers/technicians on Head-Up Display (HUD) on Vehicles Model Year 2017 and Newer Having Rotational Feature that Allows for Adjusting of Angle of HUD Image. 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 #20NA075

      Date Announced:
      MAR 20, 2020
      NHTSA ID:
      #10174294

      This informational bulletin provides information for dealers/technicians on No MIL illuminated, ignore these DTCs if set in History. Read More »

    • TSB #20NA042

      Date Announced:
      MAR 09, 2020
      NHTSA ID:
      #10174283

      This technical bulletin provides a procedure to correct a Condition of Fuel Gauge May Intermittently Display Erratic and/or Empty Readings and MIL with DTC P0462. Read More »

    • TSB #19NA104

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

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

    • TSB #040601029J

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

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

    • TSB #150089005C

      Date Announced:
      FEB 14, 2020
      NHTSA ID:
      #10173418

      This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only). Read More »

    • TSB #16NA383

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

      This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »

    • TSB #100089009D

      Date Announced:
      NOV 26, 2019
      NHTSA ID:
      #10169357

      This informational bulletin provides information on key code security rules and information on GM keycode look-up applications. Read More »

    • TSB #080310006G

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

      This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »

    • TSB #010842001M

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

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

    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:TV/RADIO/SPEAKERS

    • TSB #21NA099

      Date Announced:
      APR 23, 2021
      NHTSA ID:
      #10194111

      This technical bulletin provides repair information to correct a customer concern of Speaker Noise, or Loss of Bass, or Low / No Output of Audio from Individual Speaker Channels. 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 »