DTC 9078: No Communication With Central Locking Pump/Security System Module (Cpl/SSM): Notes

Fig 1: Central Locking Pump/Security System Module Communication Circuit Schematic

Courtesy of DAIMLERCHRYSLER CORP.

1. When Monitored: Continuous with the ignition on. 
2. Set Condition: CAN Bus communication failure between the Central Locking Pump/Security System Module and the Power Top Control Module (PTCM). 

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.