P2579: The turbocharger speed sensor gives readings outside the normal range
The turbocharger speed sensor gives readings outside the normal range. It is usually the sensor itself, its wiring or a real fault in what it measures.
| Code | P2579 |
|---|---|
| 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 P2579 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 P2579 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
- P2575 The direct ozone reduction catalyst deterioration sensor circuit has a high
- P2576 The direct ozone reduction catalyst deterioration sensor circuit has an
- P2577 The direct ozone reduction catalyst is working below its required efficiency
- P2578 The turbocharger speed sensor has an electrical fault
- P257A The vacuum tank control has a broken or disconnected wire
- P257B The vacuum tank control gives a lower signal than normal
- P257C The vacuum tank control gives a higher signal than normal
- P257D The engine bonnet switch gives readings outside the normal range
- P2563 Turbocharger boost control position sensor A range/performance
What does code P2579 mean?
The turbocharger speed sensor gives readings outside the normal range. It is usually the sensor itself, its wiring or a real fault in what it measures.
How do you clear P2579?
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, P2579 comes back.
