General Motors has issued a service update to address a problem related to the Transmission Control Module in certain examples of the 2020 and 2021 model-year C8 Corvette Stingray. The problem: in ...

General Motors has issued a Technical Service Bulletin for the 2020 Corvette due to a minor software glitch with the transmission control module (TCM). According to the TSB, certain 2020 model-year ...

If you're a control freak, late-model electronic transmissions are just what you need to modernize your classic car, and if you decide to go that route, a transmission control module is a must-have.