PCM: The PCM is responsible for coordinating the functions of the engine, transmission, and other powertrain components. It acts as the brain of the vehicle, ensuring seamless communication and operation of these systems. The ECM is similar to the ECU but primarily focuses on managing engine functions. It communicates with sensors to regulate fuel delivery, air intake, and exhaust emissions to optimize engine performance. The PCM is an integrated module that combines the functions of both ...

PCM: The PCM is responsible for coordinating the functions of the Jeep Wrangler Engine Control Module, transmission, and other powertrain components. It acts as the brain of the vehicle, ensuring seamless communication and operation of these systems. The ECM is similar to the ECU but primarily focuses on managing engine functions. It communicates with sensors to regulate fuel delivery, air intake, and exhaust emissions to optimize engine performance. The PCM is an integrated module that co...