Output to the mutebox
â–¶ How to fix
Check that the mutebox and switch S172 are connected.Check the wiring to the mutebox and switch S172 for open circuits.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
Interruption in mutebox connection or switch S172.
Possible cause
The mutebox is faulty or not connected.Switch S172 is faulty or not connected.Open circuit in the wiring.