Engineering Information – Service Engine Soon Lamp Illuminated, DTCs P0494, P2CB9, U0632 and/or U0633 Set – 2020-2021 Cadillac Chevrolet GMC

2021 Chevrolet Suburban

NHTSA ID Number: 10187736 Manufacturer Communication Number: PIE0601A   Summary This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp being illuminated.   10 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2021 CADILLAC ESCALADE ESV 2021 CHEVROLET SILVERADO … Read more

Customer Satisfaction Program N202313960 Daytime Running Lamp (DRL) Color Change – 2021 Chevrolet Suburban & Tahoe

2021 Chevrolet Suburban

NHTSA ID Number: 10184526 Manufacturer Communication Number: N202313960   Summary Customer Satisfaction Program – Certain 2021 model year Chevrolet Suburban and Tahoe vehicles, may have a condition in which the daytime running lamps may shift to a bluer shade of white in its lit appearance. This will remain in effect until the headlamp cools. Replace left and … Read more

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