P26BF: The engine coolant bypass valve D control gives a higher signal than normal
The engine coolant bypass valve D control gives a higher signal than normal. It is usually the part, its wiring or a connector with poor contact.
| Code | P26BF |
|---|---|
| System | Engine and transmission |
| Group | P26xx, Auxiliary outputs and cooling |
| Type | Generic: it means the same on every make |
How to read and clear P26BF 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 P26BF 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
- P26BB The engine coolant bypass valve C gives readings outside the normal range
- P26BC The engine coolant bypass valve C has got stuck
- P26BD The engine coolant bypass valve D control has a broken or disconnected wire
- P26BE The engine coolant bypass valve D control gives a lower signal than normal
- P26C1 The engine coolant bypass valve D gives readings outside the normal range
- P26C2 The engine coolant bypass valve D has got stuck
- P26C3 The internal control unit gearbox position sensor gives readings outside the
- P26C4 The internal control unit clutch pedal gives readings outside the normal range
What does code P26BF mean?
The engine coolant bypass valve D control gives a higher signal than normal. It is usually the part, its wiring or a connector with poor contact.
How do you clear P26BF?
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, P26BF 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.
