U1111

U1111-LOST ODOMETER MESSAGE





For a complete wiring diagram refer to Diagrams/Electrical.

- When Monitored:

Ignition on.

- Set Condition:

The PCM doesn't receive an odometer reading from the cluster through the FCM over CAN C. One Trip fault.





Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.

Theory of Operation

The PCM receives odometer readings from the Front Control Module over CAN C. The FCM gets the odometer readings from the Cluster Module over CAN B. U0001-CAN C BUS, and U0141-LOST COMMUNICATION WITH FCM may also set.

Diagnostic Test

1. ACTIVE DTC

Ignition on, engine not running.

With the scan tool, View PCM DTCs.

Is the DTC Active at this time?

Yes

- Go To 2

No

- Refer to the INTERMITTENT CONDITION Diagnostic Procedure. Intermittent Condition

2. U0141-LOST COMMUNICATION WITH FRONT CONTROL MODULE ALSO ACTIVE

With the scan tool view DTCs.

U0141-LOST COMMUNICATION WITH FRONT CONTROL MODULE also set?

Yes

- Follow the diagnostics for U0141-LOST COMMUNICATION WITH FRONT CONTROL MODULE

No

- Replace and program the Powertrain Control Module.
- Perform the POWERTRAIN VERIFICATION TEST. Powertrain Verification Test