U1111

U1111-LOST ODOMETER MESSAGE





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

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 IPM (FCM/TIPM) may also set.
- 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. Pre-Diagnostic Troubleshooting Procedure.

1. ACTIVE DTC
1. Ignition on, engine not running.
2. With the scan tool, View PCM DTCs.

Is the DTC Active at this time?

Yes

- Go To 2

No

- Perform the INTERMITTENT CONDITION diagnostic procedure. . Intermittent Condition Test

2. U0141-LOST COMMUNICATION WITH FRONT CONTROL MODULE ALSO ACTIVE
1. With the scan tool view DTCs.

U0141-LOST COMMUNICATION WITH FRONT CONTROL MODULE also set?

Yes

- Perform the U0141-Lost Communication with IPM (FCM/TIPM) diagnostic procedure. U0141

No

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