lemon-mirror:
Home >> Chrysler >> 2005 >> Pacifica Limited >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Control Modules >> Powertrain Control Module >> Description >> Data Bus Communication Receive - Pcm Input

Data Bus Communication Receive - Pcm Input

The PCM uses the SCI communication bus to preform engine diagnostics and flash operations. The transmission side of the PCM uses the SCI communication bus to flash new software. However, diagnostics is performed via the vehicles J1850 bus for the transmission side of the PCM.