U0263: Communication with the voice control unit is lost
Communication with the voice control unit is lost. Its power supply, network wiring and the unit need checking.
| Code | U0263 |
|---|---|
| System | Communication network |
| Group | U02xx, Lost communication with control units |
| Type | Generic: it means the same on every make |
How to read and clear U0263 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 U0263 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
- U025F The electric brake servo control unit B is not answering on the car network
- U0260 The seat control switch module A is not answering on the car network
- U0261 The seat control switch module B is not answering on the car network
- U0262 The audio amplifier B is not answering on the car network
- U0264 Communication with the rear camera has been lost
- U0265 The image processing sensor A is not answering on the car network
- U0266 The image processing sensor B is not answering on the car network
- U0267 The image processing sensor C is not answering on the car network
What does code U0263 mean?
Communication with the voice control unit is lost. Its power supply, network wiring and the unit need checking.
How do you clear U0263?
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, U0263 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.
