P0463
P0463-FUEL LEVEL SENSOR 1 CIRCUIT HIGH
For a complete wiring diagram, refer to the Wiring Information.
- When Monitored:
Ignition on and battery voltage above 10.4 Volts.
- Set Condition:
The Fuel Level Sensor signal voltage at the Body Control Module (BCM) goes above the maximum acceptable value. One Trip Fault. Three good trips to turn off the MIL.
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Pre-Diagnostic Troubleshooting Procedure.
Diagnostic Test
1. ACTIVE DTC
NOTE: Diagnose and repair any Can bus, communication or implausible signal DTCs before proceeding with this test.
1. Start the engine.
2. Allow the engine to reach normal operating temperature.
3. With the scan tool, select View DTCs.
NOTE: It may be necessary to drive the vehicle to meet the conditions to set this DTC, try to repeat the conditions in which the fault originally set by reviewing the Freeze Frame data.
Is the DTC Active or Pending at this time?
Yes
- Go To 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Intermittent Condition Test.
2. FUEL LEVEL SENSOR CIRCUIT DTCS SET IN THE BCM
Are any Fuel Level Sensor Circuit DTCs set in the BCM?
Yes
- Diagnose the appropriate Fuel Level Sensor Circuit DTC in the BCM. Testing and Inspection.
No
- Replace and program the Powertrain Control Module. Powertrain Control Module - Removal.
- Perform the POWERTRAIN VERIFICATION TEST. Powertrain Verification Test.