U110C

U110C-NO FUEL LEVEL BUS MESSAGE RECEIVED

U110C - No Fuel Level Bus Message Received:

WHEN MONITORED
Ignition on.

SET CONDITION
When the PCM does not receive a fuel level signal from the BCM over the CAN C circuit. The circuit is constantly monitored. One Trip fault.

POSSIBLE CAUSES
- CAN C BUS circuit open or shorted
- Body control module
- PCM

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.

Theory of Operation
The BCM sends the fuel level signal the NGC over the CAN C bus circuit.

DIAGNOSTIC TEST

1. ACTIVE DTC
Ignition on, engine not running.
With the scan tool read Powertrain DTCs.

Q: Is the DTC active at this time?

YES: Go To 2
NO: Refer to the INTERMITTENT CONDITION Diagnostic Procedure. Component Tests and General Diagnostics
Perform the POWERTRAIN VERIFICATION TEST. Powertrain Verification Test

2. U0140-LOST COMMUNICATION WITH BODY CONTROL MODULE ALSO ACTIVE
With the scan tool read DTCs.

Q: Is the U0140-LOST COMMUNICATION WITH BODY CONTROL MODULE also set?

YES: Follow the diagnostics for U0140-LOST COMMUNICATION WITH BODY CONTROL MODULE
Perform the POWERTRAIN VERIFICATION TEST. Powertrain Verification Test
NO: Replace and program the Powertrain Control Module.
Perform the POWERTRAIN VERIFICATION TEST. Powertrain Verification Test