The PCM is an integrated module that combines the functions of both the ECU and TCM (transmission control module). It oversees the engine and transmission systems, ensuring smooth coordination between the two for seamless performance. The ECU communicates with various sensors in the engine to gather data on operating conditions. The PCM interprets this data and makes adjustments to the engine and transmission systems accordingly. The ECM monitors engine performance and makes real-time adj...

The PCM is an integrated module that combines the functions of both the ECU and TCM (transmission control module). It oversees the engine and transmission systems, ensuring smooth coordination between the two for seamless performance. The ECU communicates with various sensors in the engine to gather data on operating conditions. The PCM interprets this data and makes adjustments to the engine and transmission systems accordingly. The ECM monitors engine performance and makes real-time adj...