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 essentially the brain of the vehicle, responsible for monitoring and controlling the engine’s various functions to ensure optimal performance and efficiency. The ECM is a complex computer system that receives inputs from various sensors located throughout the vehicle, such as the oxygen sensor, throttle position sensor, and mass airflow sensor. These sensors provide …
