GM Authority

Some Chevy Bolt EV And EUV Models Need Powertrain Control Module Reprogrammed

The General has issued a Service Bulletin describing an available fix for a powertrain control module issue on some 2020 through 2022 Chevy Bolt EV and 2022 Chevy ...
GM Authority

Some GMC Hummer EV Units Need A Battery Energy Control Module Update

Certain units of the 2022-2024 GMC Hummer EV are included in a new Service Update from General Motors, which covers a fix for a battery energy control module issue. The Service Update applies to both ...