P0463

Tests 1 - 2:

Tests 3 - 7:

Test 8:

SYMPTOM
P0463 - FUEL LEVEL SENDING UNIT VOLTS TOO HIGH

WHEN MONITORED
Ignition ON.

SET CONDITION
The Fuel Level Sensor Signal Circuit voltage at the PCM goes above 4.5 volts.

POSSIBLE CAUSES
- Fuel level sensor ground circuit open
- Fuel level sensor signal circuit open
- Fuel level signal circuit wiring harness intermittent defect
- Fuel level signal circuit wiring harness observable defect
- Fuel level sensor defective
- Fuel pump module defective
- Body Control Module defective