-it seems that those three little letters strike fear into many a promoter, track owner, or sanction head whenever they hear it. ECU stands for Engine Control Unit. Also called an ECM (Engine Control ...

The Engine Control Module (ECM) is a crucial component in a car, as it acts as the brain that controls various engine functions. It works in conjunction with multiple sensors, wires, and connectors to ...

The 2021 Cadillac CT5 luxury sedan is included in a newly issued GM service bulletin because a fix is now available for a software problem in the Engine Control Module that may cause the CT5 to fail ...