Faulty fuel level sender unit. Wiring short to voltage. Corroded connector at fuel tank. Damaged float arm. Faulty instrument cluster (rare).

Which cars are affected by P0463?

P0463 is most commonly reported on Ford, Vauxhall, Volkswagen, Peugeot, Renault vehicles, but can appear on any make.

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P0463

Low severity

Fuel Level Sensor Circuit High Input

The fuel level sensor is sending a signal that is higher than the expected range. This typically causes an inaccurate fuel gauge reading, often showing full when it is not.

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Common causes of P0463

1Faulty fuel level sender unit

2Wiring short to voltage

3Corroded connector at fuel tank

+2 more causes

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Commonly affected vehicles

FordVauxhallVolkswagenPeugeotRenault

P0463 can appear on any vehicle — these are the makes where it is most frequently reported.

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Related fault codes

P0171Medium

System Too Lean (Bank 1)

P0300High

Random/Multiple Cylinder Misfire Detected

P0420Medium

Catalyst System Efficiency Below Threshold (Bank 1)

P0172Medium

System Too Rich (Bank 1)