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 ...

Japanese R35 GT-R and GT-R SpecV owners in Japan now have the opportunity to improve the performance credentials of their rides via an ECU and TCM (transmission control module) upgrade from Nismo.

GM has issued a product recall for certain examples of 2021 and 2022 Chevy LCF or Low Cab Forward 3500 and 4500 vehicles due to an issue related to the Transmission Control Module (TCM) of the GM MYD ...

This repositority defineds GMLAN CANBUS messages that are used by General Motors to communication information between control modules in GM vehicles. All of this information (so far) is from a vehicle ...