The PCM is an integrated module that combines the functions of both the ECU and TCM (transmission control module). It oversees the engine and transmission systems, ensuring smooth coordination between the two for seamless performance. The Engine Control Unit (ECU) is a critical component of modern vehicles, responsible for controlling various engine functions. Key aspects managed by the ECU include fuel injection, ignition timing, idle speed, and emissions control. By continuously monitoring ...

The PCM is an integrated module that combines the functions of both the ECU and TCM (transmission control module). It oversees the engine and transmission systems, ensuring smooth coordination between the two for seamless performance. The Engine Control Unit (ECU) is a critical component of modern vehicles, responsible for controlling various engine functions. Key aspects managed by the ECU include fuel injection, ignition timing, idle speed, and emissions control. By continuously monitoring ...