DTC P0463: Fuel Level Sensor Circuit High Input: Condition

DTC is set when input voltage from fuel level sensor is more than 4.92 volts and battery voltage is 11-16 volts. Possible causes are:

• Fuel gauge sender malfunction.
• Poor connection at fuel pump unit and PCM connectors.
• Open or short circuit between terminal "A" on fuel pump unit and terminal No. 63 on Powertrain Control Module (PCM).
• Open circuit between ground and terminal "C" on fuel pump unit.