Circuit/System Verification

Ignition ON.
Verify the DTC P0461, P0462, P0463, P0464, P2066, P2067, or P2068 are not set
- If DTC P0461, P0462, P0463, or P0464 are set
  Refer to Primary Fuel Level Sensor Malfunction .
- If DTC P2066, P2067, or P2068 are set
  Refer to Secondary Fuel Level Sensor Malfunction .
- Go to next step: If DTC P0461, P0462, P0463, P0464, P2066, P2067, or P2068 are not set
If equipped, verify the fuel level gauge sweeps when performing the scan tool P16 Instrument Panel Cluster Control Module Gauge Sweep control function.
- If the fuel level gauge does not sweep
  Replace the P16 Instrument Panel Cluster Control Module.
- Go to next step: If the fuel level gauge sweeps
Ignition ON, Verify the low fuel level indicator turns ON and OFF during Instrument Panel Cluster initialization bulb check.
- If the low fuel level indicator does not turn ON and OFF
  Replace the P16 Instrument Panel Cluster Control Module
- Go to next step: If the low fuel level indicator turns ON and OFF
Verify the scan tool Fuel Level Sensor Left Tank parameter is between 0.5 - 3.5 V and varies with fuel level.
- If not between 0.5 - 3.5 V or does not vary with fuel level
  Refer to Primary Fuel Level Sensor Malfunction .
- Go to next step: If between 0.5 - 3.5 V and varies with fuel level
Verify the scan tool Fuel Level Sensor Right Tank parameter is between 0.5 - 3.5 V and varies with fuel level.
- If not between 0.5 - 3.5 V or does not vary with fuel level
  Refer to Secondary Fuel Level Sensor Malfunction .
- Go to next step: If between 0.5 - 3.5 V and varies with fuel level
All OK.