CIM / B3622 0F
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Horn not working.
No Sentronic function.
Steering Wheel Control, Horn, Value Incorrect
Fault symptom
Horn not working.
No Sentronic function.
On-board diagnosis
Type of diagnosis:
Enable criteria:
Fault criteria:
| The control module receives incorrect values from steering wheel switch, horn/Sentronic buttons. |
Checking the wiring harness
Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.
Diagnostic help
The DTC can be generated if the control module is programmed for a vehicle equipped with Sentronic, but there are no Sentronic buttons.
