C05EF: There is a fault in the four-wheel drive clutch B position control
There is a fault in the four-wheel drive clutch B position control. It may be the part itself, its connector or the wiring.
| Code | C05EF |
|---|---|
| System | Chassis |
| Group | C05xx, Chassis |
| Type | Generic: it means the same on every make |
How to read and clear C05EF 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 C05EF 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
- C05EA The four-wheel drive clutch B actuator control gives a higher signal than normal
- C05EB The four-wheel drive clutch B temperature is above normal
- C05ED The four-wheel drive clutch B has got stuck engaged
- C05EE Four wheel drive clutch B is not engaging properly
- C05F0 The rear drive shaft speed sensor gives a lower signal than normal
- C05F1 The rear drive shaft speed sensor gives a higher signal than normal
- C05F2 The rear drive shaft speed sensor fails now and then
- C05F3 The rear drive shaft speed sensor has an electrical fault
What does code C05EF mean?
There is a fault in the four-wheel drive clutch B position control. It may be the part itself, its connector or the wiring.
How do you clear C05EF?
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, C05EF 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.
