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 service update to address an issue related to the transmission control module (TCM) in certain examples of the 2020 model year Chevy Silverado HD and GMC Sierra HD pickup ...

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.