P08B1: The neutral position sensor B fails now and then
The neutral position sensor B fails now and then. It is usually the part, its wiring or a connector with poor contact.
| Code | P08B1 |
|---|---|
| System | Engine and transmission |
| Group | P08xx, Transmission |
| Type | Generic: it means the same on every make |
How to read and clear P08B1 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 P08B1 with its description and whether it’s confirmed, pending or permanent.
This code is usually stored by the gearbox control unit. If the car reports it over standard OBD, you read it for nothing with FREE; to read it straight from the gearbox control unit, with its description and clearing, you need PRO.
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
- P08AD The neutral position sensor B has a broken or disconnected wire
- P08AE The neutral position sensor B gives readings outside the normal range
- P08AF The neutral position sensor B gives a lower signal than normal
- P08B0 The neutral position sensor B gives a higher signal than normal
- P08B3 The neutral position sensor B needs its learning procedure
- P08B4 The clutch pedal position sensor B has a broken or disconnected wire
- P08B5 The clutch pedal position sensor B gives readings outside the normal range
- P08B6 The clutch pedal position sensor B gives a lower signal than normal
- P0841 Transmission fluid pressure sensor/switch A: circuit range or performance
- P0842 Transmission fluid pressure sensor/switch A: circuit low
- P0843 Transmission fluid pressure sensor/switch A: circuit high
- P0868 Transmission fluid pressure low
What does code P08B1 mean?
The neutral position sensor B fails now and then. It is usually the part, its wiring or a connector with poor contact.
How do you clear P08B1?
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, P08B1 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.
