ECM (Engine Temperature Regulation Control Module) The ECM, or Engine Control Module, is another term used to refer to the ECU in some vehicles. It performs similar functions to the ECU, controlling engine operation and ensuring efficient performance. What is PCM? The Powertrain Control Module (PCM) serves as the central control unit for the powertrain system, which includes the engine, transmission, and other related components. It integrates the functions of both the ECU and TCM (Transm...

ECM (Engine Control Module) The ECM, or Engine Control Module, is another term used to refer to the ECU in some vehicles. It performs similar functions to the ECU, controlling engine operation and ensuring efficient performance. What is PCM? The Powertrain Control Module (PCM) serves as the central control unit for the powertrain system, which includes the engine, transmission, and other related components. It integrates the functions of both the ECU and TCM (Transmission Control Module) ...