What P0461 means
P means powertrain (engine and transmission). The 0 marks a generic code defined by SAE, so the same number means the same thing across makes. The third character, 4, places it in the auxiliary emission controls subsystem; the last two digits identify the specific fault.
The fuel level sender in the tank (usually a float on a variable resistor) reports fuel level. The engine computer needs it as well as the gauge: many EVAP and misfire tests only run within certain fuel levels, and the misfire-with-low-fuel logic relies on it.
The letter "A" distinguishes between two or more of the same component on one vehicle. Which physical part is "A" is set by the manufacturer, so confirm it in the service information before replacing anything.
What “Range/Performance” means here
"Range/Performance" means the circuit is electrically intact — the signal sits inside its normal window — but the value does not make sense for the operating conditions. The module cross-checks it against what other inputs predict (a rationality test). That usually points at the fuel level sensor itself or the system it measures, rather than at the wiring.
What you may notice
Symptoms depend on the vehicle and on how the module responds to the fault. Any of these can accompany P0461:
- Fuel gauge inaccurate, stuck or erratic
- Low fuel warning wrong
- EVAP monitor not completing
Where to start diagnosing P0461
- Compare the gauge and live data with the fuel actually in the tank.
- Inspect the connector at the tank, which is exposed to road spray on many vehicles.
- Check the sender's resistance across its range if accessible.
Clear the code only after recording freeze frame data: it shows the engine speed, load and temperature at the moment the fault set, which is often the best clue to reproducing it.
Live data to watch
These standard OBD2 values relate to P0461. Support varies by vehicle; a value your car does not report will simply be missing.
| Value | What to look for |
|---|---|
| Fuel tank level input (PID 0x2F) | Should fall smoothly as fuel is used. |
Related codes
Codes from the same fuel level sensor family. If several are stored together, the shared part — wiring, a common reference voltage, or the component itself — is the place to start.
Further reading
Frequently Asked Questions
What does P0461 mean?
P0461 is the generic SAE J2012 code for "Fuel Level Sensor "A" Circuit Range/Performance". In plain terms, it means the engine computer has detected a "range/performance" fault on the fuel level sensor.
Can I keep driving with P0461?
Drivable, but track fuel by distance until the gauge is fixed.
What should I check first for P0461?
Compare the gauge and live data with the fuel actually in the tank.
Definition source: SAE J2012 / ISO 15031-6 generic DTC definitions. This is the generic meaning that applies across makes; a manufacturer can define a code more narrowly or add its own sub-codes, so confirm against the service information for your vehicle before replacing parts. Written by the OBDAssistant engineering team — see our editorial policy.