2007 Liberty KJ Factory Service Manual 9 - ENGINE

U110C-NO FUEL LEVEL BUS MESSAGE RECEIVED





For a complete wiring diagram Refer to Section 8W.



Possible Causes
 
CAN C BUS CIRCUIT OPEN OR SHORTED
 
BODY CONTROL MODULE
 
PCM
 


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

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, select View Powertrain DTCs.

Is the DTC Active at this time?

Yes


No

2. U0140-LOST COMMUNICATION WITH BODY CONTROL MODULE ALSO ACTIVE

With the scan tool read DTCs.

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

Yes


No