P0463 — Fuel Level Sensor "A" Circuit High
PowertrainlowFuel level signal voltage is too high — usually a broken wire (open circuit).
Symptoms
- Needle stuck at one end
- Low-fuel light always on or never on
Common causes
- Broken wire
- Connector unplugged or rusty
- Sender worn out (open)
How to fix
- Make sure the tank connector is fully plugged in
- Check continuity of signal and ground wires
- Measure sender resistance
Can I keep driving?
Yes — track your km.
Related diagrams
These are the general meanings. Some companies use a code a little differently — confirm with a scanner and your car's service manual.