U110C-NO FUEL LEVEL BUS MESSAGE RECEIVED

For a complete wiring diagram Refer to Section 8W.

When Monitored:
Ignition on.
Set Condition:
When the PCM does not receive a fuel level signal from the FCM over the CAN C circuit. The circuit is constantly monitored. One Trip fault.

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) .

Theory of Operation

The fuel level signal is a direct input to the Cluster. The fuel level signal is sent to the FCM over the CAN B bus circuit. The NGC receives the fuel level signal from the FCM over the CAN C bus circuit.

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.

Is the 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)