Technical Service Bulletins
Search 172,063 manufacturer communications covering 880 vehicle makes from 1955 to 2025.
Showing 11,703 bulletins for CHEVROLET
21NA033
Dec 15, 2021
100000 POWER TRAIN
This service bulletin provides a procedure to perform a transmission solenoid clean procedure 3 times depending on what DTC has set.
PIT5866B
Dec 14, 2021
353000 EQUIPMENT:ELECTRICAL
This Preliminary information communicates to GM dealers of a concern with missing icon on the display and work around information until Engineering verifies a permanent repairs
PIT5875
Dec 10, 2021
353000 EQUIPMENT:ELECTRICAL
This Preliminary information communicates to GM dealers of a concern with cellphone software causing no audio concern
N21234803001
Dec 10, 2021
110000 ELECTRICAL SYSTEM
Engine Control Module Cannot Detect Catalyst Revised Service Procedure
PIP5735A
Dec 6, 2021
061120 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
This Preliminary information communicates to dealer technicians normal operating characteristics of the turbocharger exhaust brake.
PIC6336A
Dec 6, 2021
132000 VISIBILITY:GLASS, SIDE/REAR
This Preliminary Information communicates information to the technician on what to check if they find that the rear glass broke shortly after the folding top had been serviced.
21NA283
Dec 6, 2021
020000 SUSPENSION
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.
PIT5871
Nov 30, 2021
110000 ELECTRICAL SYSTEM
This Preliminary information communicates an issue with the IPC incorrectly listing Sport mode as a selection and engineering is working on a fix to remove it.
PIT5866A
Nov 30, 2021
350000 EQUIPMENT
This Preliminary information communicates to GM dealers of a concern with missing icon on the display and work around information until Engineering verifies a permanent repairs
PIT5849D
Nov 30, 2021
053000 PARKING BRAKE:INDICATOR LIGHT
This Preliminary information communicates an issue with the rear tail / parking lights staying on and do not time out after exiting the vehicle and passive locking the vehicle. This condition can lead to a dead battery. GM Engineering has
PIT5039E
Nov 30, 2021
118530 ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING
This Preliminary Information communication provides information to the technician about vehicles that the customer or up-fitter may have removed the rear bumper, install a different rear bumper, or add a different box/flat bed/cube box/hitc
PIP5818A
Nov 30, 2021
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
This Preliminary information communicates additional diagnostics for P1789.
PIP5797B
Nov 30, 2021
100000 POWER TRAIN
This Preliminary information communicates the need to replace the transmission assembly for faults related to non-serviceable internal parts..
PIT5849C
Nov 29, 2021
110000 ELECTRICAL SYSTEM
This Preliminary information communicates an issue with the rear tail / parking lights staying on and do not time out after exiting the vehicle and passive locking the vehicle. This condition can lead to a dead battery. GM Engineering has
PIP5830
Nov 29, 2021
061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
This Preliminary information communicates concerns created by an aftermarket ECM calibration installed by fleet companies. The Fleet companies install aftermarket ECM calibrations to limit the vehicle speed to approximately 70 mph and redu
PIC6448
Nov 29, 2021
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
This Preliminary information communicates That Techline connect is Not supporting the progaming of the T6 PIM / HPCM. and advies them to call Techline.
21NA260
Nov 29, 2021
060000 ENGINE (PWS)
This technical bulletin provides repair information to correct a customer concern of Lack of Power or Poor Performance During High Ambient Temperatures with RPO (C7N) 12,300 LB GVWR or (C4M) 9,900 LB GVWR.
PIE0663A
Nov 24, 2021
110000 ELECTRICAL SYSTEM
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Articulated Running Board (ARB).
21NA274
Nov 24, 2021
060000 ENGINE (PWS)
This service bulletin provides a repair procedure to replace the oil control valve (OCV) to correct customers driveability concerns of Chuggle, Surge, Misfire and a Malfunction Indicator Lamp (MIL) Illuminated.
PIT5774D
Nov 22, 2021
110000 ELECTRICAL SYSTEM
This Preliminary information communicates an issue with: Overhead Console Inoperative / Service Safety Restraints Message / Sunroof Inoperative / DTC's B1A7A and U1121. Dealers are to cycle the power to the overhead console to correct the
PIP5762B
Nov 22, 2021
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
This preliminary information communicates to technicians a possible valve cover causing oil consusmption, and the repair.
21NA270
Nov 19, 2021
020000 SUSPENSION
This informational bulletin provides information for dealers/technicians on Vibration Caused by Tires.
21NA265
Nov 18, 2021
060000 ENGINE AND ENGINE COOLING
This technical bulletin provides a procedure to re-route the coolant hose away from the front prop shaft to avoid contact.