Powertrain Control Module (PCM)

The PCM is hardwired to 2 communications networks. Diagnostic data is provided through the CAN to the diagnostic tool. Stand-alone modules exchange information with the PCM through the SCP communications network. The PCM receives input from sensors and other electronic components (switches, relays). Based on the information received and programmed into its memory, the PCM generates output signals to control various relays, solenoids and actuators. For additional information, See INTRODUCTION - GASOLINE article .