Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 11,703 bulletins for CHEVROLET
N232408732
Nov 14, 2023
110000 ELECTRICAL SYSTEM
Service Update. Certain vehicles may not have surveillance mode enabled. Dealers are to reprogram the body control module.
23-NA-183
Nov 14, 2023
110000 ELECTRICAL SYSTEM
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y171 a?? Multiple Updates.
N232427260
Nov 9, 2023
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
Customer Satisfaction Program - Certain vehicles may experience an illuminated Check Engine Malfunction Indicator Lamp (MIL) with Diagnostic Trouble Code (DTC) P2201 NOx Sensor Circuit Performance Sensor 1 and/or DTC P20EE Diesel Exhaust Fl
N232425900
Nov 9, 2023
054000 PARKING BRAKE:ELECTRICAL
Customer Satisfaction Program - Certain vehicles may have a condition in which the Electronic Park Brake does not auto release with Service 4WD message. Dealers are to reprogram the Transfer Case Control Module.
N232425320
Nov 9, 2023
034510 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER
Customer Satisfaction Program - Certain vehicles may have standard black calipers installed but were invoiced for the red painted calipers. Dealers will provide the customer with a reimbursement check in the amount of $399.00 USD.
19-NA-046
Nov 9, 2023
100000 POWER TRAIN
This informational bulletin provides information for dealers, technicians and customers on the eLSD Wheel Slip Display in DIC.
23-NA-194
Nov 8, 2023
110000 ELECTRICAL SYSTEM
This service bulletin provides repair information to correct a customer concern of Unwanted Vibration or Booming Noise Heard Through Speakers for IOR Radios only.
N232422180
Nov 7, 2023
020000 SUSPENSION
Service Update - Certain vehicles, with a 3.0L diesel engine (RPO:LZ0) and off-road suspension (RPO:ZRX), may incorrectly remain latched in sport mode across key cycles. Dealers are to reprogram the Body Control Module (BCM).
N232415150
Nov 7, 2023
160000 STRUCTURE
Customer Satisfaction. Certain vehicles may have a condition in which the customer was mistakenly charged for a front license plate bracket in states that require a front license plate. Dealers will provide the customer with a reimburseme
PIP5935A
Nov 6, 2023
060000 ENGINE AND ENGINE COOLING
Communicates the need for restriction on 2019 through 2023 6.6L L5D engines
23-NA-200
Nov 6, 2023
060000 ENGINE AND ENGINE COOLING
This bulletin provides diagnostic aid information for technicians for Misfire Diagnostics Displaying Incorrect Cylinders for Certain OBD Monitors Reported in Mode 6.
23-NA-199
Nov 6, 2023
160000 STRUCTURE
This service bulletin provides information on Paint Concerns in the Driver or Passenger side Door Jamb Areas.
PIT6032C
Nov 2, 2023
138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
This Preliminary information communicates an issue with the front HVAC blower speed reducing to a lower speeding when it should be higher. Engineering is working on a fix.
PIT5999B
Nov 2, 2023
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This Preliminary information communicates to dealers that the Customers may notice audio that is choppy or delayed, GM engineering is aware of the issue and working on a resolution.
PIT5736C
Nov 2, 2023
138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
This Preliminary information communicates how the HVAC setting operates during a remote vehicle start.
N232421260
Nov 2, 2023
081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY
Service Update - Certain vehicles may have a condition in which a false diagnostic trouble code (DTC), U3636 symptom 09, is triggered. This false DTC is resulting in customers experiencing a Malfunction Indicator Lamp (MIL) illuminated in t
N232404290
Nov 1, 2023
210000 TRAILER HITCHES
Customer Satisfaction Program - certain vehicles, may have a condition in which the trailering label displays incorrect values. Dealers will replace the trailering label.
PIT6078
Oct 31, 2023
110000 ELECTRICAL SYSTEM
This Preliminary information communicates that a vehicle may come to the dealer with front, rear or front and rear windows inoperative. The technician is directed to either inspect the driver's window switch for the proper sticker or inspe
23-NA-191
Oct 31, 2023
100000 POWER TRAIN
This bulletin provides a service procedure to correct a customer concern of a Shake and/or Shudder During Steady Speed and/or Light Throttle Acceleration Between 25 and 50 MPH (40 and 80 KM/H).
PIP5948
Oct 30, 2023
346000 COMMUNICATION:MANUFACTURER TELEMATICS
This Preliminary Information communication advises the technician that there is a known concern how to verify and that a repair will be availible
23-NA-193
Oct 30, 2023
060000 ENGINE AND ENGINE COOLING
This technical bulletin provides repair information to correct a customer concern of Vehicles Setting DTCs P20EE, P22FE, P2C7A, P2EAD, P20FE, P2203, P22FB, P2459, P049D, P0300, and/or P1C30.
PIP5946
Oct 27, 2023
100000 POWER TRAIN
This Preliminary Information communication advises the technician on the steps to locate a possible poor terminal connection or backed out terminal at the transmission connector
PIP5945
Oct 27, 2023
102622 POWER TRAIN:MANUAL TRANSMISSION:INTERNAL:SHAFT:OUTPUT
This Preliminary information communicates how to inspect and verify propeller shaft phasing concerns on Medium Duty Silverado's
PIT6082
Oct 26, 2023
110000 ELECTRICAL SYSTEM
This Preliminary information communicates a vehicle may come to the dealer with a blank radio display, service instrument cluster message, low voltage codes set or a low/dead 12 volt battery. The technician is instructed to check the calibr
23-NA-188
Oct 25, 2023
100000 POWER TRAIN
This service bulletin provides repair information to correct a customer concerns of transmission related issues.