Circuit/System Verification

Ignition ON/Vehicle in Service Mode.
Verify the DTC P0461, P0462, P0463, or P0464 are not set
- If DTC P0461, P0462, P0463, or P0464 are set
  Refer to Circuit/System Testing
- Go to next step: If DTC P0461, P0462, P0463, or P0464 are not set
Verify there are no Infotainment or display-related DTCs set
- If any Infotainment or display-related DTCs are set
  Refer to Diagnostic Trouble Code (DTC) List - Vehicle
- Go to next step: If no Infotainment or display-related DTCs are set
Verify the ECM scan tool Fuel Level Sensor 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 Circuit/System Testing
- Go to next step: If between 0.5 - 3.5 V and varies with fuel level
All OK.