VOLVO
AUM-4001 - Antenna amplifier 1. Signal too low. Intermittent fault
System
Audioeinheit (AUM)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
4 ModelleS60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007)
Modelle nach Baujahr und Motor anzeigen (4)
Was bedeutet der Fehlercode?
The audio unit (AUM) has detected a low voltage on the output of the main antenna while the ignition is on and the antenna is powered. The fault is intermittent. It is usually a supply wire to the main antenna shorted to ground, or a defective antenna amplifier, and AM reception becomes poor.
Mögliche Ursachen
- Supply from the head unit to the main antenna shorted to ground
- Defective antenna amplifier
Was Sie tun können
- 1Check the contact resistance, oxidation and wiring to the antenna amplifier
- 2Have a workshop clean and secure the connectors at the antenna amplifier and the audio unit
- 3Repair the wiring if it is shorted to ground
- 4Replace the antenna amplifier if the fault remains once the connectors and wiring are checked
Symptome, die Sie bemerken können1
- Poor AM radio reception
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.