2020

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

by
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

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

by
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

by
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

Service Update N202313620 Incorrect Torque Badge on Vehicle Decklid – 2020 Cadillac CT4

by
2020 Cadillac CT4

NHTSA ID Number: 10184528 Manufacturer Communication Number: N202313620   Summary Service Update. On vehicles equipped with a 2.7L turbo engine (RPO L3B), the incorrect 450T badge was applied to the decklid. Dealers are to remove the incorrect 450T badge and replace with the correct 500T badge.   SEOCONTENT-START GLOBAL SAFETY FIELD INVESTIGATIONS DCS5581 URGENT – DISTRIBUTE IMMEDIATELY … Read more

Dual Clutch Transmission Part Restriction – 2020-2021 Chevrolet Corvette

by
2020 Chevrolet Corvette

NHTSA ID Number: 10201270 Manufacturer Communication Number: PIP5709P   Summary This Preliminary information communicates the transmission used in the 2020 and 2021 Corvette is no longer on restriction with the supplier for early root cause analysis.     2 Affected Products Vehicle MAKE MODEL YEAR CHEVROLET CORVETTE 2020-2021   Condition Any internal transmission related complaints.   Cause … Read more