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 an ECU, PCM, and ECM? Electronic Control Unit (ECU), Powertrain Control Module (PCM), and Engine Control Module (ECM are all terms used interchangeably to refer to the computer system that controls various...

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 an ECU, PCM, and ECM? Electronic Control Unit (ECU), Powertrain Control Module (PCM), and Engine Control Module (ECM are all terms used interchangeably to refer to the computer system that controls various...