GM has begun a customer satisfaction program to address an issue with the transmission range control module in certain 2021 model year Chevy Bolt EV vehicles.

Read the Chevy High-Performance tech article on How to Program an OBD-II Powertrain Control Module.

GM has issued a recall for certain units of the 2021 and 2022 Chevy LCF 3500/4500 models due to an issue with improper Transmission Control Module programming.

"When GM builds the 6L80E at the factory, it installs a control module directly to the valve body. It houses all the pressure control solenoids, shift solenoids, and the transmission control ...

Nov 14 (Reuters) - General Motors (GM.N), opens new tab will recall 77,824 vehicles as incorrect software in the transmission control module could cause the vehicle to move in an unintended ...