Horn failure / Steering wheel controls partly inoperative
Read the instructions below then start the fault diagnostic procedure.
Symptom: The horn does not work and there is no diagnostic trouble code. Some of the steering wheel control buttons do not work, no diagnostic trouble code.
Horn failure / Steering wheel controls partly inoperative |
Fault symptoms
The horn does not work and there is no diagnostic trouble code.Some of the steering wheel control buttons do not work, no diagnostic trouble code.
Diagnostic help
The horn button can be read with the diagnostics tool.The horn output can be activated with the diagnostics tool.