OBD Guide

P0463

Fuel Level Sensor A Circuit High

P0463 is an OBD-II diagnostic trouble code meaning: Fuel Level Sensor A Circuit High. Common causes: fuel level sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $33–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–111 (est.)

Symptoms

  • Incorrect fuel level readings on the dashboard
  • Fuel level indicator flashes or does not work
  • Error P0463 is stored in the ECU memory

Causes

  • Fuel level sensor malfunction
  • Open or short circuit in wiring harness
  • Poor contact in sensor or ECU connectors
  • ECU malfunction

How to Fix

  1. Check the resistance of the fuel level sensor at different fuel levels
  2. Inspect the wiring harness for damage
  3. Check the voltage and continuity of the sensor circuit
  4. If necessary, replace the fuel level sensor or repair the wiring harness

Related codes

Error P0463 by Vehicle Brand

FAQ

What does the P0463 code mean?

P0463 is an OBD-II diagnostic trouble code that indicates: Fuel Level Sensor A Circuit High

What causes a P0463 error code?

The most common causes of P0463 include: Fuel level sensor malfunction; Open or short circuit in wiring harness; Poor contact in sensor or ECU connectors; ECU malfunction.

How do I fix a P0463 diagnostic trouble code?

To fix P0463: Check the resistance of the fuel level sensor at different fuel levels. Inspect the wiring harness for damage. Check the voltage and continuity of the sensor circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0463?

Limited driving only, diagnose soon

How much does it cost to fix P0463?

The estimated repair cost for P0463 is $33–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat