VOLVO
IHU-B1D7812 - Auxiliary 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 head unit (IHU) watches the voltage on the signal wires to the AUX output. The code is stored when the voltage is too high, which points to a wire shorted to supply voltage.
Mögliche Ursachen
- The signal wire 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
- 3Disconnect the accessory from the AUX input and see whether the code clears
- 4Check the AUX cable for chafing, and for places where it may have touched a live wire
- 5If the fault remains, have a workshop trace the AUX output 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.