Service Update N202319660 Valve Spring Failure – 2021 Cadillac Chevrolet GMC

2021 Chevrolet Tahoe

NHTSA ID Number: 10187618 Manufacturer Communication Number: N202319660 01   Summary Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perform the inspection procedure contained within this bulletin. … Read more

6.2L Engine Restriction – 2020-2021 Cadillac Chevrolet GMC

2021 Chevrolet Camaro

NHTSA ID Number: 10184095 Manufacturer Communication Number: PIP5759A   Summary This Preliminary information communicates 6.2L engine restriction, Contact TAC   11 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2021 CHEVROLET CAMARO 2020-2021 CHEVROLET CORVETTE 2020 CHEVROLET SILVERADO 1500 2021 CHEVROLET SILVERADO 2500 2020 CHEVROLET SUBURBAN 2021 CHEVROLET TAHOE 2021 GMC SIERRA 1500 2021 GMC SIERRA 2500 … Read more

Radio Displays Message: Sirius XM Connection Unavailable – Please Call OnStar Agent – 2021 Buick Cadillac Chevrolet GMC

Chevrolet Buick GMC Cadillac

NHTSA ID Number: 10184098 Manufacturer Communication Number: PIT5791 Summary This Preliminary information communicates a condition where the radio may display a “Connection not available, please call OnStar agent”. This bulletin advises that Engineering is working on a software solution that will prevent the message from displaying when listening to non-SXM sources, but still allow the message to … Read more

Automatic Leveling Control Module Part Restriction – 2021 Cadillac Chevrolet GMC

2021 Chevrolet Tahoe

NHTSA ID Number: 10184100 Manufacturer Communication Number: PIT5766A   Summary This Preliminary information communicates there is a Part Restriction for the Automatic Leveling Control Module and to contact the PQC to order the part.   SEOCONTENT-START Bulletin No.: PIT5766A Published date: 11/5/2020 Preliminary Information PIT5766A Automatic Leveling Control Module Part Restriction Models Brand: Model: Model Years: VIN: Engine: … Read more

Service Leveling System / Service Headlight System / DTC U0132 – 2021 Cadillac Chevrolet GMC

2021 Chevrolet Tahoe

NHTSA ID Number: 10184107 Manufacturer Communication Number: PIT5795   Summary This Preliminary information communicates and issue with a either a Service Leveling or Service Headlight message displayed on the DIC.  When checking for DTC’s a U0132 for Lost Communication with K5 Automatic Level Control Module (ALCM) may be set in several modules.  When trying to communicate with the Automatic … Read more