What is PCM? The Powertrain Control Module (PCM) is an advanced version of the ECU that not only controls the engine but also oversees the transmission, drivetrain, and other related systems. This integrated approach allows for better coordination and overall vehicle performance. The PCM is a more comprehensive control module that oversees various systems beyond just the engine, such as the transmission and emission controls. It integrates functions of both the ECU and TCM (Transmission Co...

What is PCM? The Powertrain Control Module (PCM) is an advanced version of the ECU that not only controls the engine but also oversees the transmission, drivetrain, and other related systems. This integrated approach allows for better coordination and overall vehicle performance. The PCM is a more comprehensive control module that oversees various systems beyond just the engine, such as the transmission and emission controls. It integrates functions of both the ECU and TCM (Transmission Co...