DTC 1020-00: No Communication With Power Top Control Module (PTCM): Notes

Fig 1: Power Top Control Module CAN B BUS Communication Circuit Schematic

Courtesy of DAIMLERCHRYSLER CORP.

1. When Monitored: Continuous with the ignition on.
2. Set Condition: CAN Bus communication failure between the Body Control Module (BCM) and the Power Top Control Module (PTCM).

For a complete Body Control Module Circuit Diagram. (Refer to BODY - SCHEMATICS AND DIAGRAMS) .