C056F: The brake booster travel sensor gives a lower signal than normal
The brake booster travel sensor gives a lower signal than normal. It is usually the sensor itself, its wiring or a real fault in what it measures.
| Code | C056F |
|---|---|
| System | Chassis |
| Group | C05xx, Chassis |
| Type | Generic: it means the same on every make |
How to read and clear C056F 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 C056F 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
- C056B The brake pressure sensor A fails now and then
- C056C The brake pressure sensor B fails now and then
- C056D The brake pedal position sensor power supply voltage is below normal
- C056E The brake pedal position sensor power supply voltage is above normal
- C0570 The brake booster travel sensor gives a higher signal than normal
- C0571 The brake pressure sensor C gives a lower signal than normal
- C0572 The brake pressure sensor C gives a higher signal than normal
- C0573 The brake pressure sensor C has a broken or disconnected wire
What does code C056F mean?
The brake booster travel sensor gives a lower signal than normal. It is usually the sensor itself, its wiring or a real fault in what it measures.
How do you clear C056F?
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, C056F comes back.
