Transmission Control Module (TCM) faults are not unknown on these early Mazda 3s. Symptoms usually involve erratic shifting, a failure to select gear at all and having the car go into limp-home mode.

Allison’s 5th Generation electronic controls include upgraded Transmission Control Module (TCM) hardware and software and a new integral inclinometer, among many other features, to deliver great fuel ...

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 ...

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The largest automaker of the Detroit Big Three has identified multiple issues with the software in the transmission control module of nearly 78,000 vans. More specifically, the 2022 to 2023 model year ...