P0463 on Nissan Xterra
Fuel Level Sensor A Circuit High
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Nissan Xterra context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P0463.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
What P0463 Means on Your Nissan Xterra
P0463 is a diagnostic trouble code indicating: Fuel Level Sensor A Circuit High. This code relates to the emission controls system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real Nissan Xterra Owner Reports
Source: NHTSA Complaints Database
"Check engine light came. gas gauge reads empty even after you fill it up completely. diagnostic code p0463, fuel level sensor. the fuel gauge does not accurately state the amount of fuel in the tank. this issue is known to nissan and nhtsa."
"While driving my xterra which has 65000 miles approximately, my gas gauge dropped from 3/4 tank to below empty. my check engine light came on and my car immediately stopped in the road. i had to be towed where i was told i have p0463 and my car was out of gas."
"My vehicle has 43,419 miles and after fueling the vehicle the fuel gauge dropped to empty and the service engine soon dashboard light illuminated. a check of the diagnostic trouble code (p0463) disclosed a faulty fuel level sensor "a" circuit high. i had the repair done at nissan."
"Error code p0463 - apparently due to a malfunctioning fuel level sensor and requiring substantial shop time to drop fuel tank and replace sensor/pump unit (not to mention part cost, which is not being supplied by manufacturer despite the known, widespread flaw)."
"Check engine light comes on and the trouble shooting number is p0463. which i understand nissan automobiles have a lot of trouble with this situation. i would like to informed when they are having a recall to repair this problem."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Nissan Xterra
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.