Powertrain Control Module (PCM)

U0155-LOST COMMUNICATION WITH CLUSTER/CCN

For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
With the ignition on.

Battery voltage between 10.0 and 17.0 Volts.

Body Control Module (BCM) is configured correctly.

- Set Condition:
This module has not received a Cluster Bus message over the CAN C circuit for approximately two to five seconds. The circuit is continuously monitored. One trip fault. If the vehicle is equipped with the stop/start feature, the system will be disabled when this DTC is active.





Diagnostic Test
DTC IS ACTIVE

NOTE: For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem.

1. Ignition on, engine not running.
2. With the scan tool, select View DTCs.

Is the status Active for this DTC?

Yes

- Perform the U0155-Lost Communication with Cluster/CCN diagnostic procedure. Body Control Module (BCM).

No

- Perform the Stored Lost Communication DTCs diagnostic procedure. Manufacturer Code Charts.