U061B: The AdBlue level sensor C is not answering on the car network
The AdBlue level sensor C is not answering on the car network. It is usually that control unit, its power supply or the network wiring.
| Code | U061B |
|---|---|
| System | Communication network |
| Group | U06xx, Lost communication with sensors and control units |
| Type | Generic: it means the same on every make |
How to read and clear U061B 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 U061B 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
- U0617 The engine coolant bypass valve C is not answering on the car network
- U0618 The engine coolant bypass valve D is not answering on the car network
- U0619 The AdBlue level sensor A is not answering on the car network
- U061A The AdBlue level sensor B is not answering on the car network
- U061C The AdBlue temperature sensor A is not answering on the car network
- U061D The AdBlue temperature sensor B is not answering on the car network
- U061F The exhaust gas temperature sensor (bank 1
- U0620 The exhaust gas temperature sensor (bank 1
What does code U061B mean?
The AdBlue level sensor C is not answering on the car network. It is usually that control unit, its power supply or the network wiring.
How do you clear U061B?
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, U061B comes back.
