What does fault code P0463 mean?
Diagnostic trouble code P0463 is defined as Fuel Level Sensor A Circuit High Input. This standard OBD2 code is triggered when your car's powertrain or module sensor voltage deviates from calibrated safety tolerances.
Severity & Can I Drive With Code P0463?
Severity Rating: 2/5 (Moderate Severity)
ℹ️ Can I Drive? You can drive short distances safely, but address this fault soon to maintain optimal engine performance and pass emissions testing.
Common Symptoms of P0463
- Gas gauge stuck on Empty or Full
- Check engine light
Common Causes Ranked by Likelihood
- Faulty fuel level sending unit float arm
- Corroded ground wire at tank
DIY Repair & Troubleshooting Steps
- Run instrument cluster gauge test
Professional Shop Repair & Estimated Cost Range
- Replace fuel sender / fuel pump module
Estimated Repair Cost Range: $250 - $700
Related Diagnostic Codes & Knowledge Base
Cross-reference these related trouble codes and technical articles:
Diagnose P0463 instantly with OBDAssistant AI
Connect any cheap Bluetooth ELM327 adapter and ask OBDAssistant to analyze code P0463 for your exact car model.
Get OBDAssistant Free