VOLVO
IHU-B1D7912 - Microphone Input. General Electrical Failures. Circuit short to battery
System
Infotainment-Haupteinheit (IHU)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
9 ModelleS60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
Was bedeutet der Fehlercode?
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.
Mögliche Ursachen
- The signal wire to the microphone is short-circuited to supply voltage
Was Sie tun können
- 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
Symptome, die Sie bemerken können1
- The AUX panel does not work
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.