The ECU, PCM, and ECM are electronic control units responsible for managing various aspects of your vehicle's operation. Each component plays a critical role in ensuring your car runs smoothly and efficiently. Here's a breakdown of what they do: 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 an...

The ECU, PCM, and ECM are electronic control units responsible for managing various aspects of your vehicle's operation. Each component plays a critical role in ensuring your car runs smoothly and efficiently. Here's a breakdown of what they do: 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 an...