Restraints

U0155-LOST COMMUNICATION WITH CLUSTER/CCN






For a complete wiring diagram, refer to the wiring information Electrical Diagrams.

- When Monitored:

Continuously when the ignition is on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fuse installed.

Totally Integrated Power Module (TIPM) is configured correctly.

- Set Condition:

The Occupant Restraint Controller (ORC) doesn't receive a Cabin Compartment Node (CCN) message over the CAN C BUS circuit for approximately two to five seconds.

Possible Causes:

1. VERIFY ACTIVE DTC

NOTE: Make sure the IOD fuse is installed and the battery is fully charged before proceeding.


1. Turn the ignition on.
2. With the scan tool, read active DTCs.

Is the U0155-LOST COMMUNICATION WITH CLUSTER/CCN DTC active?

Yes
- Perform the U0155-LOST COMMUNICATION WITH CLUSTER/CCN Diagnostic Procedure. Refer to Totally Integrated Power Module (TIPM)

No
- Perform the Stored Lost Communication DTCs Diagnostic Procedure. Refer to Stored Lost Communication DTCs