Right Rear Door Alignment – 2021-2023 Cadillac Chevrolet GMC

Chevrolet GMC Cadillac

NHTSA ID Number: 10220317 Manufacturer Communication Number: 22-NA-179 Summary This technical bulletin provides the procedure to align the right rear door to correct the condition of Right Rear Door Alignment.   Condition Some customers may comment on the right rear door not sitting flush and/or the right rear door sticks out excessively at the bottom when closed. … Read more

Unwanted Voice Recognition Activation – 2021-2022 GMC Acadia

2022 GMC Acadia

NHTSA ID Number: 10220318 Manufacturer Communication Number: 22-NA-180 Summary This technical bulletin provides repair information to correct a customer concern of Unwanted Voice Recognition Activation.   Condition Some customers may comment that while driving voice recognition will activate an unwanted “what would you like?” message.   Cause The cause of the condition may be a software anomaly … Read more

TCCM Drivability DTCs and Possible Low Battery Charge – 2019-2023 Chevrolet Silverado 4500 HD, 5500HD, 6500HD

2023 Chevrolet Silverado 6500HD

NHTSA ID Number: 10224305 Manufacturer Communication Number: PIP5853B Summary This PI communicates to dealers and technicians a possible diode issue in the TCCM, and how to properly diagnose for a diode issue.   Condition The vehicle may have a concern with the TCCM. causing DTC to set (see below) and possible a discharged battery. DTCs setting in … Read more

Appearance of Surface Cracks on Rotors – 2022-2023 Cadillac CT5

2023 Cadillac CT5

NHTSA ID Number: 10224306 Manufacturer Communication Number: PIC6476 Summary This Preliminary information communicates that the appearance of cracks on carbon ceramic rotors is normal and does not impact the performance or durability of the brake system.   Condition A customer may comment that the carbon ceramic rotors on their vehicle appear to have cracks on the surface of … Read more

Yellow Tint to ZR1 Hood and Engine Cover Exposed Carbon Fiber Parts – 2019-2023 Chevrolet Corvette

2023 Chevrolet Corvette

NHTSA ID Number: 10219286 Manufacturer Communication Number: 19-NA-042 Summary This service bulletin provides information for dealers/technicians on a customer commenting on seeing a yellow tint appearance to hood and engine cover’s exposed carbon fiber parts.   Condition Some customers may comment the exposed carbon fiber engine appearance panels for the C8 generation vehicles, or the ZR1 exposed … Read more