This may be due to faulty automatic transmission fluid or the transmission control module. Vehicles affected by service bulletin: See More Service Bulletins Corrective action: Dealers will either ...

Others, such as ECU (Engine Control Unit) or ECM (Engine Control Module) and TCM, which stands for Transmission Control Module, are less common as advertised features, but they're still important ...

car dealers will install new transmission control module software for free, according to GM. The new software will monitor the valve and detect excess wear 10,000 miles before the wheels lock up.

Stefano Giovannini Dealers will install the transmission control module monitoring software at no charge to customers. Owners of vehicles affected by the recall can expect to receive letters in ...

To fix the issue, dealers will install a new transmission control module software free of charge and GM will provide a special coverage program for repairing transmissions identified as containing ...