Software glitches: Just like any computer system, the PCM can experience software glitches or bugs that can cause it to malfunction. This can result in the vehicle stalling, rough idling, or failure to start. Based on the data received from the sensors, PCM makes real-time adjustments to the engine and transmission systems to optimize performance. These adjustments can include changes to fuel injection timing, ignition timing, and transmission shifting points. By continuously monitoring and a...