The Engine Control Module (ECM), also known as the Powertrain Control Module (PCM) or Engine Control Unit (ECU), is a vital component of modern vehicles.
It is essentially the brain of the vehicle, responsible for ensuring that the engine operates efficiently and performs at its best. The ECM is responsible for a variety of functions, including controlling the fuel injection system, ignition timing, idle speed, variable valve timing, and emissions control systems. It constantly monitors data from various sensors throughout …