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 monitoring and controlling the engine’s operation.
In this blog post, we will explore the functions and importance of the ECM, as well as how it works and common issues that can arise. First and foremost, the ECM is essentially the brain of the vehicle’s engine. It is responsible for monitoring various sensors and inputs to make real-time adjustments to the engine’s …