DTC P0463: Fuel Gauge Sending Unit Circuit, High Input: Condition
DTC is set when input voltage from fuel gauge sending unit is more than 4.9 volts for 5 seconds. This is a continuous monitor. MIL is illuminated when PCM detects malfunction during 2 consecutive drive cycles. Possible causes are:
- Fuel gauge sending unit malfunction.
- Open or poor connection in wiring.
- PCM malfunction.