P25B1: The fuel level sensor B has got stuck
The fuel level sensor B has got stuck. It is usually dirt, wear or the motor that moves it.
| Code | P25B1 |
|---|---|
| System | Engine and transmission |
| Group | P25xx, Auxiliary inputs and electrical system |
| Type | Generic: it means the same on every make |
How to read and clear P25B1 with Final OBD
Plug an OBD2 scanner in under the steering wheel, switch the ignition on and open Final OBD. Under Faults you’ll see P25B1 with its description and whether it’s confirmed, pending or permanent.
If the engine stores it over standard OBD, with FREE you read this code with its explanation for nothing and clear it. With PRO you also read the faults of every control unit and clear them in all of them.
Clearing the code only turns the light off: if the cause is still there, it comes back. Clear it once it’s fixed, and not right before an inspection. It’s all in how to read and clear fault codes and in inspections and OBD.
Similar codes
- P25AC The piston cooling oil control circuit has got stuck
- P25AD The piston cooling oil control circuit has got stuck
- P25AE The piston cooling oil pressure is below normal
- P25B0 The fuel level sensor A has got stuck
- P25B3 The turbocharger wastegate A has got stuck
- P25B4 The turbocharger wastegate A has got stuck
- P25B5 The turbocharger wastegate B has got stuck
- P25B6 The turbocharger wastegate B has got stuck
- P2563 Turbocharger boost control position sensor A range/performance
What does code P25B1 mean?
The fuel level sensor B has got stuck. It is usually dirt, wear or the motor that moves it.
How do you clear P25B1?
With an OBD2 scanner and an app like Final OBD, which clears it for free if it’s stored by the engine control unit. But clearing it only turns the light off: if the cause isn’t fixed, P25B1 comes back.
Read it on your car
Final OBD reads and clears engine faults through standard OBD for free, each one explained in plain English. With PRO it also reads the faults of every control unit, each make’s own codes included, and clears them in all of them.
