The electronic control module (ECM) or powertrain control module (PCM) is the main computer that controls many of the vehicle’s essential functions.

(iSeeCars) – There are a lot of mechanical and electrical parts that work together to help your car run smoothly. The electronic control module (ECM) or powertrain control module (PCM) is the… ...

You will learn about how electric vehicles work differently from gasoline or diesel fuel powered vehicles and the major types of electric vehicles. We then explain the unique components of full ...

A service update has been issued for several 2020 and 2021 GM vehicles to address an issue related to the software programming for various control modules.