P0239: The turbocharger boost sensor B has an electrical fault
The turbocharger boost sensor B has an electrical fault. It may be the part itself, its connector or the wiring.
| Code | P0239 |
|---|---|
| System | Engine and transmission |
| Group | P02xx, Fuel and injectors |
| Type | Generic: it means the same on every make |
How to read and clear P0239 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 P0239 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
- P0235 Turbo boost pressure sensor A: circuit fault
- P0236 Turbo boost pressure sensor A: range or performance problem
- P0237 Turbo boost pressure sensor A: low signal
- P0238 Turbo boost pressure sensor A: high signal
- P023A The intercooler coolant pump control has a broken or disconnected wire
- P023B The intercooler coolant pump control gives a lower signal than normal
- P023C The intercooler coolant pump control gives a higher signal than normal
- P023D The manifold absolute pressure turbocharger boost sensor A gives readings that
- P0200 Injector circuit malfunction
- P0201 Injector circuit malfunction, cylinder 1
- P0202 Injector circuit malfunction, cylinder 2
- P0203 Injector circuit malfunction, cylinder 3
What does code P0239 mean?
The turbocharger boost sensor B has an electrical fault. It may be the part itself, its connector or the wiring.
How do you clear P0239?
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, P0239 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.
