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.
It is responsible for controlling and managing a wide range of functions within the engine and powertrain system, ensuring optimal performance, fuel efficiency, and emissions control. The ECM acts as the brain of the vehicle, continuously monitoring and adjusting various parameters to ensure the engine operates smoothly and efficiently. It receives input from sensors throughout …