Service Update N202318400 Warped Trailer Hitch Cover – US and Canada Only – 2020 Chevrolet Blazer

2020 Chevrolet Blazer

NHTSA ID Number: 10187615 Manufacturer Communication Number: N202318400   Summary Service Update Bulletin. In certain vehicles, the rear trailer hitch cover may be warped and loose. A rattling noise may occur, and in some cases, the cover may fall off of the vehicle. Dealers are to inspect the rear bumper fascia trailer hitch cover and replace if … Read more

Service Update N202321920 Engine Coolant Inlet Pipe – 2021 Cadillac Chevrolet GMC

2021 Chevrolet Trailblazer

NHTSA ID Number: 10187621 Manufacturer Communication Number: N202321920   Summary Service Update. A small number of vehicles may have a coolant inlet pipe that may present an obstructed threaded hole for the coolant temp sensor which could result in the check engine light coming on or a potential coolant leak. Dealers are to replace the coolant inlet … Read more

Service Update N202316160 Seat Belt Retractor Spring Broken – 2020 Chevrolet Silverado & GMC Sierra 1500/2500

2020 Chevrolet Silverado

NHTSA ID Number: 10187622 Manufacturer Communication Number: N202316160   Summary Service Update – Certain 2020 model year Chevrolet Silverado 1500/2500 and GMC Sierra 1500/2500 vehicles may have a condition where the driver side front outboard seat belt may not retract due to a broken rewind spring. If the seat belt is loose, the effectiveness of the restraints … Read more

Service Update N202312960 Differential Control Module Startup Delay – 2020 Cadillac CT5-V

2020 Cadillac CT5-V

NHTSA ID Number: 10184523 Manufacturer Communication Number: N202312960   Summary Service Update. On certain vehicles, the differential control module may not properly shutdown. This can result in a delayed startup which will cause it to lose synchronization with the brake system control module. Dealers are to reprogram the brake system control module.   SEOCONTENT-START GLOBAL SAFETY FIELD … Read more

Service Update N202316880 Transmission Control Module (TCM) Software Error/Mismatch – 2020 Chevrolet Corvette

2020 Chevrolet Corvette

NHTSA ID Number: 10184524 Manufacturer Communication Number: N202316880   Summary Service Update – Certain 2020 model year Chevrolet Corvette vehicles may have a condition where diagnostic trouble codes (DTC’s) P1967 and/or P1968 may falsely set in the transmission control module (TCM) due to an internal software misalignment. GM will update the software in the TCM. Owners who … Read more