Mutebox
â–¶ How to fix
Check connections to the DAU.Check the mutebox cable harness.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
The driver alert unit (DAU) indicates that the mutebox has an open circuit in the cable harness.
Possible cause
Fault in connection to DAU.The cable harness has an open circuit.