U0155-00

U0155-00-LOST COMMUNICATION WITH CLUSTER/CCN







- When Monitored:
With the ignition on.

Battery Voltage between 10 and 16 Volts.

Ignition Off Draw (IOD) fuse installed.

Totally Integrated Power Module (TIPM) is configured correctly.

- Set Condition:
Bus messages not received from the Cluster (CCN) for approximately two to five seconds.





1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE

NOTE: Make sure the IOD fuse is installed and battery Voltage is between 10 and 16 Volts before proceeding.

1. Turn the ignition on.
2. Using a scan tool, read DTCs.

Is the DTC active?

Yes

- Go To 2

No

- Stored Lost Communication DTCs Perform the Stored Lost Communication DTCs diagnostic procedure.

2. VERIFY CCN IS COMMUNICATING WITH OTHER MODULES
1. Using a scan tool, read DTCs in all modules.

Is any other module reporting a loss of communication with the CCN?

Yes

- No Response From CCN (Cluster) Perform the No Response from CCN diagnostic procedure.

No

- Replace the Heated Seat Module (HSM).
- Perform the BODY VERIFICATION TEST. Body Verification Test.