GM has issued a service bulletin for the 2020 to 2022 Chevy Bolt EV and 2022 Chevy Bolt EUV describing reprogramming of the Hybrid Powertrain Control Module 2.

GM has issued a Special Coverage bulletin for the 2016 through 2018 Chevy Volt, for an available fix for a battery energy control module malfunction.

The Powertrain Control Module (PCM) monitors tons of data to keep your Silverado going down the road. One crucial piece of data is engine RPM (revolutions per minute); this data is pulled from the ...

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

With the help of a software tweak of the powertrain control module, Chevrolet hopes that the Bolt will run as smooth as butter ...