U1111-LOST ODOMETER MESSAGE

For a complete wiring diagram Refer to Section 8W.

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. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING).

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

Refer to the INTERMITTENT CONDITION Diagnostic Procedure.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)

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

Replace and program the Powertrain Control Module per Service Information.

Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)