January 23, 2021
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 have accepted applicable terms and …
NHTSA ID Number: 10162164 Manufacturer Communication Number: PIP5599A Summary This Preliminary information communicates to the dealer technician that the T01 transmission control module has been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission control module.