DTC code
P0463
Fuel Level Sensor Circuit High Input
Technical guide
partially verifiedSymptoms
- Check engine light
- fuel light
- fluctuating fuel gauge
Probable causes
- Faulty fuel level sensor
- faulty fuel pump
- malfunctioning fuel level sensor float
- faulty gauge cluster
- damaged fuel tank
- frayed wiring/connection to fuel sensor harness
Diagnostic steps
- Scan and confirm P0463 is the only code present.
- Use live data to measure fuel level and compare it to the fuel gauge on the dashboard to see if they match.
- Add fuel and recheck gauge readings to verify accuracy.
- Conduct a visual inspection of wiring around the fuel level sensor and surrounding wiring harness for fraying or disconnection.
- Replace the fuel level sensor and/or fuel pump if problems persist.
Cross-checked technical synthesis (QA). It does not replace the manufacturer's procedure.
Models most reported with this code (NHTSA)
Count of distinct owner complaints mentioning the code. US data — same engines, same failures.
AI here is a librarian: this page shows only what mechanics confirmed, or says “unknown”. It never suggests a diagnosis — MECCANIC interprets the code, never your car.
0 confirmed cases on P0463
Nothing confirmed yet for this code. No guess is offered on purpose.
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