P266B: The position sensor circuit for rocker arm actuator A on bank 2 is outside its
The position sensor circuit for rocker arm actuator A on bank 2 is outside its expected range or performance. Check the sensor, connector and wiring.
| Code | P266B |
|---|---|
| System | Engine and transmission |
| Group | P26xx, Auxiliary outputs and cooling |
| Type | Generic: it means the same on every make |
How to read and clear P266B 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 P266B 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
- P2667 The fuel lock valve B control gives a higher signal than normal
- P2668 The fuel mode warning light control has an electrical fault
- P2669 Actuator supply voltage circuit B is open
- P266A The rocker arm actuator position sensor circuit A (bank 2) is not working
- P266C The position sensor circuit for rocker arm actuator A on bank 2 has a low signal
- P266D The position sensor circuit for rocker arm actuator A on bank 2 has a high
- P266E The position sensor signal for rocker arm actuator A on bank 2 is intermittent
- P2670 The actuator power supply voltage B is below normal
What does code P266B mean?
The position sensor circuit for rocker arm actuator A on bank 2 is outside its expected range or performance. Check the sensor, connector and wiring.
How do you clear P266B?
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, P266B 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.
