U110C

U110C-NO FUEL LEVEL BUS MESSAGE RECEIVED





For a complete wiring diagram Refer to Diagrams/Electrical.


- When Monitored:
Ignition on.

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







Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Initial Inspection and Diagnostic Overview .

Theory of Operation


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


Diagnostic Test


1. ACTIVE DTC
Ignition on, engine not running.
With the scan tool, select 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, select 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 (TIPM).
- Perform the POWERTRAIN VERIFICATION TEST. Powertrain Verification Test


No


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