Technical Service Bulletins
Search 172,063 manufacturer communications covering 880 vehicle makes from 1955 to 2025.
Showing 11,703 bulletins for CHEVROLET
PIT5743A
Aug 16, 2021
110000 ELECTRICAL SYSTEM
This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E. Main cause is aftermarket electrical devices spliced into the ignition main fuses.
PIP5816
Jul 30, 2021
060000 ENGINE (PWS)
This Preliminary information communicates A customer vehicle may have a concern of a P0300 setting after bulletin 21-NA-154 has been performed. Unknown Engineering is looking it to this concern
PIT5774A
Jul 26, 2021
100000 POWER TRAIN
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
PIT5849
Jul 26, 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 is
PIP5815
Jul 22, 2021
350000 EQUIPMENT
This Preliminary information communicates an issue being seen on low mileage Camaros with MIL illumination ad a request to not replace parts.
PIP5812A
Jul 22, 2021
103210 POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY
This Preliminary information communicates the possibility of dtc p0299 p0234 setting due to oil/moisture cndensate freezing in Turbocharger Wastegate Regulator Solenoid Valve (TCV) during cold weather driving
A212336520
Jul 20, 2021
020000 SUSPENSION
Service Update. On certain vehicles, the front left-hand side front suspension strut to the body fasteners may not be torqued properly. Dealers are to check the torque and replace the bolt if necessary.
N212338290
Jul 20, 2021
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
Special Coverage. Certain vehicles equipped with a 6.6L diesel engine (RPO L5P), may have a condition that could cause the engine glow plugs to fail. If this condition occurs, the Malfunction Indicator Light (Check Engine Light) will illu
N212339040
Jul 20, 2021
010000 STEERING
Customer Satisfaction Program. On certain vehicles with a special service sales package and radio infotainment system (RPOs 5W4 and IOR), the left hand buttons on the backside of the steering wheel currently enable favorites instead of bei
PIP5797A
Jul 15, 2021
100000 POWER TRAIN
This Preliminary information communicates the need to replace the transmission assembly for faults related to non-serviceable internal parts..
PIC6441
Jul 15, 2021
020000 SUSPENSION
This Preliminary Information communicates programming direction for replacing the K218 module in this vehicle.
PIT5847
Jul 13, 2021
114000 ELECTRICAL SYSTEM:WIRING
This Preliminary information communicates that a vehicle may come into the dealer with various concerns which may include a service engine light or various warning messages on the DIC. The technician is instructed to inspect a wiring harnes
PIP5813
Jul 9, 2021
061700 ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR
This Preliminary information communicates A vehicle may have a need for Camshaft replacement or have misfires on non AFM cylinders after the camshaft was replaced. The camshaft may have been boxed incorrectly
PIT5834D
Jul 1, 2021
357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER
This preliminary information addresses the possibility for the air conditioning to be slow to cool the cabin due to contamination in the refrigerant.
N212336800
Jul 1, 2021
104000 POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
Service Update. On certain vehicles, the thrust washer was not installed on the transfer case reduction carrier assembly. Dealers are to replace the transfer case.
N212337840
Jul 1, 2021
350000 EQUIPMENT
Customer Satisfaction Program. Certain vehicles may have had a charge applied for the soft tonneau cover however, the soft tonneau cover may not have been available at the time of vehicle purchase. Dealers are to install the soft rollup ton
PIP5809A
Jun 30, 2021
060000 ENGINE (PWS)
This Preliminary information communicates Some customers may comment that the SES lamp is illuminated or was Illuminated and turned off. During inspection Technician may notice DTC P0300 (Engine Misfire Detected) active or stored in history
PIT5812B
Jun 30, 2021
030000 BRAKES (PWS)
This preliminary information addresses a brake noise concern engineering is investigating at this time.
N212336951-01
Jun 30, 2021
355100 EQUIPMENT:OTHER:LABELS
Emission Recall. On certain vehicles, The Vehicle Emissions Control Information (VECI) label may not contain the correct OBD (On-Board Diagnostic) system identifier. Since a new label can be easily installed, and to reduce customer incon
21NA123
Jun 29, 2021
060000 ENGINE AND ENGINE COOLING
This service bulletin provides a repair procedure to correct a customer concern of a Rough Idle condition and Malfunction Indicator Lamp (MIL) Illuminated.
21NA115
Jun 28, 2021
061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
This informational bulletin provides information for dealers/technicians on Available ECM Calibration to Activate High Idle Mode for Fleet Vehicles
21NA141
Jun 28, 2021
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This service bulletin provides information to help Service and Sales Personnel become familiar with the redesigned 2022 Bolt EV and the all NEW 2022 Bolt EUV electric vehicles.
21NA150
Jun 28, 2021
121000 EXTERIOR LIGHTING:HEADLIGHTS
This service bulletin provides repair information to correct a customer concern of seeing moisture, condensation in one of the headlamp assemblies.
PIC6439
Jun 25, 2021
111100 ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
This Preliminary information communicates a diagnostic tip to dealership technicians when diagnosing a B1517 DTC.
PIP5812
Jun 25, 2021
060000 ENGINE (PWS)
This Preliminary information communicates the possibility of dtc p0299 p0234 setting due to oil/moisture cndensate freezing in Turbocharger Wastegate Regulator Solenoid Valve (TCV) during cold weather driving