Symptom:
U110C-NO FUEL LEVEL BUS MESSAGE
When Monitored and Set Condition:
U110C-NO FUEL LEVEL BUS MESSAGE
When Monitored: Ignition on.
Set Condition: No fuel level BUS messages received by the PCM for 20 seconds.
POSSIBLE CAUSES
DTC RESET
COMMUNICATE WITH CLUSTER
FUEL LEVEL BUS MESSAGE
PCI BUS CIRCUIT OPEN FROM PCM TO INSTRUMENT CLUSTER
INSTRUMENT CLUSTER
TEST ACTION APPLICABILITY
1 NOTE: If a fuel level circuit or performance DTC is set along with U110C,
diagnose the circuit/performance DTC before continuing.
Turn the ignition on.
With the DRBIIIt, erase DTCs.
Start the engine on and off several times. Leave the engine running for at least 20
second each time.
With the DRBIIIt, read DTCs.
Does the DTC reset?
All
Yes → Go To 2
No → Refer to the INTERMITTENT CONDITION symptom in the
Driveability category.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
2 Ignition on, engine not running.
With the DRBIIIt, attempt to communicate with the Instrument cluster.
Can communication be established with the Instrument Cluster?
All
Yes → Go To 3
No → Refer to the Communication Category and perform the appropri-
ate symptom related to no communication with cluster.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
3 Turn the ignition on.
Using the DRBIIIt, read the Fuel Level parameter in the PCM.
Does the DRBIIIt display a fuel level value?
All
Yes → Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
No → Go To 4
290
DRIVEABILITY - NGC
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