DTC P0463: Fuel Level Sending Unit Volts Too High: Description

Fuel level sending unit may also be referred to as fuel level sensor. Fuel level sensor is monitored with ignition on and battery voltage more than 10.4 volts. DTC will set in Powertrain Control Module (PCM) memory when PCM senses fuel level sensor signal is more than 9.9 volts for 2 seconds. Possible causes for DTC to set are: defective fuel level sensor, defective PCM, defective connector or defective wiring.