P0463
Fuel Level Sensor A Circuit High
Severity: MEDIUM
Symptoms
- Incorrect fuel level readings on the dashboard
- Fuel level indicator flashes or does not work
- Error P0463 is stored in the ECU memory
Causes
- Fuel level sensor malfunction
- Open or short circuit in wiring harness
- Poor contact in sensor or ECU connectors
- ECU malfunction
How to Fix
- Check the resistance of the fuel level sensor at different fuel levels
- Inspect the wiring harness for damage
- Check the voltage and continuity of the sensor circuit
- If necessary, replace the fuel level sensor or repair the wiring harness