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. Faulty Sensors: Sensor malfunctions can cause inaccurate data to reach the ECU, leading to performance issues. Wiring Problems: Poor connections or damaged wiring can disrupt communication with the ECU. Software Glitches: Software bugs or corrupted data can impact the EC...