The ECM is another term for the ECU but is often used interchangeably. It focuses specifically on controlling the engine's operation, including fuel injection, ignition timing, and emissions control to ensure proper functioning and efficiency. The PCM is a integrated control unit that oversees the entire powertrain system, including the engine, transmission, and other related components. It regulates fuel delivery, ignition timing, and emissions to ensure smooth operation. It might be time...

The ECM is another term for the ECU but is often used interchangeably. It focuses specifically on controlling the engine's operation, including fuel injection, ignition timing, and emissions control to ensure proper functioning and efficiency. The PCM is a integrated control unit that oversees the entire powertrain system, including the Jeep Wrangler Engine Computer, transmission, and other related components. It regulates fuel delivery, ignition timing, and emissions to ensure smooth operati...