P0463: Evaporative Emission Control System Pressure Sensor High Input / Fuel Level Sensor Circuit High Input

What does P0463 mean?

P0463 is a diagnostic trouble code indicating "Evaporative Emission Control System Pressure Sensor High Input / Fuel Level Sensor Circuit High Input". The ECU is reading a voltage that is above the expected range. This can be caused by a short to power in the wiring, a failed sensor, or a connector issue in the fuel system.

Common causes

• Damaged or corroded wiring harness
• Loose or disconnected electrical connector
• Failed fuel system sensor or actuator
• Blown fuse in the related circuit
• Poor ground connection

What should you do?

Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.

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Code P0463 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.

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