The engine control module (ECM), also known as the powertrain control module (PCM) or engine control unit (ECU), is a crucial component in modern vehicles that plays a vital role in the overall performance and efficiency of the engine.
At its core, the ECM is essentially the brain of the vehicle, responsible for managing and controlling the various functions of the engine to ensure it operates smoothly and efficiently. It does this by monitoring a wide range of inputs from sensors located throughout the vehicle, such as the throttle position sensor, oxygen sensor, and …
