The engine control module (ECM) or powertrain control module (PCM), also known as the engine control unit (ECU), is an essential component of modern vehicles.
It plays a critical role in controlling various aspects of the engine and ensuring optimal performance and efficiency. In this blog post, we will delve into the functions and importance of the ECM/PCM/ECU in vehicles. The ECM/PCM/ECU is essentially the brain of the vehicle’s engine system. It is a computerized control unit that monitors and …