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 #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 »

    BRAKES (PWS)

    • 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 #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 »

    ENGINE (PWS)

    • 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 #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: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 #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 #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 #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 #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 #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 #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:AUTOMATIC TRANSMISSION

    • 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: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 #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 #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 #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:12V/24V/48V BATTERY

    • 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: INSTRUMENT CLUSTER/PANEL

    • TSB #060089029T

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

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

    • TSB #060089029S

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

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

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #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 #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: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 #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: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 #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 #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: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 »

    STRUCTURE

    • 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 #030846004X

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

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

    • TSB #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: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: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 »

    TIRES

    • 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 »

    WHEELS

    • 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 »

    ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

    • 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 #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 »

    BACK OVER PREVENTION:DISPLAY FUNCTION

    • 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 »

    • 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 »

    EQUIPMENT

    • 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 #18NA306

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10186065

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

    • TSB #18NA306

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10187379

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

    • TSB #20NA235

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

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

    • TSB #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 #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 #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 #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:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #040089015V

      Date Announced:
      DEC 01, 2020
      NHTSA ID:
      #10187626

      This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only). Read More »

    • TSB #18NA263

      Date Announced:
      NOV 25, 2020
      NHTSA ID:
      #10184480

      This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only). Read More »

    • TSB #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 #1008110001I

      Date Announced:
      MAR 11, 2021
      NHTSA ID:
      #10191232

      This informational bulletin provides information on proper use of floor mats. 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 »