Brake Squealing Noise – 2020-2021 Chevrolet Silverado & GMC Sierra 2500HD/3500HD

2021 Chevrolet Silverado

NHTSA ID Number: 10205053 Manufacturer Communication Number: 20NA020 Summary This technical bulletin provides a procedure to replace the front and rear brake pads if the brakes are squealing.     Condition Brakes are squealing.   Cause This condition may be caused by a lining shim material not effectively reducing noise.   Correction Note: To increase the effectiveness … Read more

N212342980 Diesel Exhaust Fluid (DEF) Tank Harness Connector Terminal Overheat / Arcing – 2020-2021 Chevrolet Silverado & GMC Sierra 2500HD/3500HD

2021 Chevrolet Silverado

NHTSA ID Number: 10206819 Manufacturer Communication Number: N212342980   Summary On certain vehicles equipped with a 6.6L diesel engine (RPO L5P), the DEF tank connector may overheat and set the following diagnostic codes (P10D9, P143C and P10F3), which will result in reduced engine speed. Dealers are to reprogram the reductant control module.     8 Affected Products … Read more

N222357620 Inadvertent Service Park Assist System Error Message – 2022 Chevrolet Silverado & GMC Sierra

2022 Chevrolet Silverado 2500

NHTSA ID Number: 10206939 Manufacturer Communication Number: N212354950   Summary Certain 2022 model year Chevrolet Silverado and GMC Sierra vehicles not equipped with front/rear park assist may have an inadvertent Service Park Assist message displayed on the Driver’s Instrument Cluster when the vehicle is started.     9 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 … Read more

Diagnostic Tips For Engine Noises – 2019-2022 Cadillac Chevrolet GMC

2022 Chevrolet Tahoe

NHTSA ID Number: 10206733 Manufacturer Communication Number: PIP5832   Summary This Preliminary information communicates to the dealer an issue where a vehicle may be exhibiting an engine noise condition. The dealer is instructed on how to isolate the noise to a specific area of the engine for further diagnosis.     16 Affected Products Vehicles MAKE MODEL … Read more

Adaptive Cruise Inop / Lane Keep Assist Unavailable message / Gap Switch Inop / Unable To Perform Frontview Camera Learn / Amber Collision Alert ICON / No Related DTCs – 2021 Buick Cadillac Chevrolet GMC

2021 Chevrolet Tahoe

NHTSA ID Number: 10206734 Manufacturer Communication Number: PIT5865A   Summary This Preliminary information communicates an issue with adaptive cruise and lane keep assist inoperative due to an internal issue with the front view windshield camera.  Dealers are to replace the camera.     13 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCORE GX 2021 BUICK ENVISION 2021 … Read more