The engine control module (ECM), also known as the powertrain control module (PCM) or engine control unit (ECU), is an essential component of modern vehicles.
This computerized module plays a crucial role in controlling the various systems and functions of the engine to ensure optimal performance and efficiency. The ECM is responsible for monitoring and adjusting various parameters such as fuel injection timing, ignition timing, air-fuel ratio, and emissions control. By continuously analyzing data from sensors throughout the vehicle, the …