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. What is ECU? The Engine Control Unit (ECU) is a key component in modern vehicles that manages various aspects of the engine, including fuel injection, ignition timing, and emissions control. It helps optimize engin...

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 the engine, transmission, and other powertrain components. It regulates fuel delivery, spark timing, emissions, and transmission shifting. ...