VOLVO
IHU-B1D7912 - Microphone Input. General Electrical Failures. Circuit short to battery
System
Infotainment hovedenhet (IHU)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
9 modellerS60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
Hva betyr feilkoden?
The microphone's signal wire is monitored by the infotainment head unit (IHU). The code is stored when the voltage on the wire is too high, which suggests a short-circuit to supply voltage.
Mulige årsaker
- The signal wire to the microphone is short-circuited to supply voltage
Hva du kan gjøre
- 1Read and clear the code, then check whether it comes back
- 2Check that the fuses are intact
- 3Make a test call using hands-free and ask the other person whether they can hear you
- 4Check the microphone wiring for chafing, damage and places where it may have touched a live wire
- 5If the fault remains, have a workshop trace the microphone and the wiring further
Symptomer du kan merke1
- The AUX panel does not work
Generell veiledning for bileiere. Feilsøking på bilen kan peke på en annen årsak.