P0463
Low Severity (Level 2)Fuel Level Sensor "A" Circuit High Input
P0463 usually means fuel Level Sensor "A" Circuit High Input.
Can you still drive with P0463?
⚠️Short-distance driving is usually OK, but have this diagnosed within a week to prevent further damage.
Typical repair cost: $30 – $1200
Severity Level 2 — Low
This code indicates a minor issue that is unlikely to cause immediate driveability problems. You can typically continue driving but should have the vehicle inspected at your earliest convenience.
Common Symptoms
- Check Engine Light on
- Fuel gauge reads empty or full constantly (inaccurate)
- Low fuel light may stay on or never come on
- Range/distance-to-empty display inaccurate or not functioning
- No driveability issues
Possible Causes
- Faulty fuel level sending unit — resistive track worn, common on vehicles with 150k+ miles
- Damaged wiring or corroded connector at fuel pump module (under rear seat or accessible from trunk)
- Fuel pump module float arm stuck or bent — can happen during fuel pump replacement
- Open circuit in fuel level sensor signal wire
- Instrument cluster failure (rare — other gauges would also malfunction)
Common Fixes
- Replace fuel level sending unit — often sold as part of fuel pump assembly ($200-600 including labor, tank must be dropped on many vehicles)
- Repair damaged wiring or corroded connector at fuel pump module ($50-200)
- Straighten or replace bent float arm ($30-200 labor if accessible without dropping tank)
- Replace instrument cluster (rare, $500-1200)
Estimated Repair Cost
These are estimated costs based on generic repair data. Actual costs may vary depending on your vehicle, location, and labor rates.
Frequently Asked Questions
What does P0463 mean?
P0463 stands for "Fuel Level Sensor "A" Circuit High Input". P0463 usually means fuel Level Sensor "A" Circuit High Input.
Can you drive with P0463?
Short-distance driving is usually OK, but have this diagnosed within a week to prevent further damage.
How much does it cost to fix P0463?
Repair costs for P0463 typically range from $30 to $1200, depending on your vehicle make, model, and local labor rates. Common fixes include: Replace fuel level sending unit — often sold as part of fuel pump assembly ($200-600 including labor, tank must be dropped on many vehicles); Repair damaged wiring or corroded connector at fuel pump module ($50-200); Straighten or replace bent float arm ($30-200 labor if accessible without dropping tank).
Will P0463 clear itself?
P0463 is unlikely to clear itself permanently. Even if the check engine light turns off temporarily, the underlying issue typically remains and the code will return. Proper diagnosis and repair are recommended.
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