What is an ECU, PCM, and ECM? Electronic Control Unit (ECU) is a generic term describing any embedded system that controls one or more of a vehicle's electronic systems. The Powertrain Control Module (PCM) is a type of ECU that manages the engine and transmission functions, while the Engine Control Module (ECM) specifically oversees the engine's operation. Performance: A well-maintained ECU can enhance engine performance, improve fuel efficiency, and reduce emissions. Reliability: Regular...

What is an ECU, PCM, and ECM? Electronic Control Unit (ECU) is a generic term describing any embedded system that controls one or more of a vehicle's electronic systems. The Powertrain Control Module (PCM) is a type of ECU that manages the engine and transmission functions, while the Eagle Vision Engine Computer Control Module (ECM) specifically oversees the engine's operation. Performance: A well-maintained ECU can enhance engine performance, improve fuel efficiency, and reduce emissions. ...