VOLVO
MMM-U300317 - Battery Voltage. General Electrical Failures. Circuit voltage above threshold
System
Multimedia-modul (MMM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
4 modellerS80 (2007–), V70 (2008–), XC60 (2009–), XC70 (2008–)
Vis modeller per årsmodell og motor (4)
Hva betyr feilkoden?
Although the code refers to battery voltage, the multimedia module (MMM) compares its own supply voltage with the CEM's reading. The code is set when that voltage is too high, which may be because the supply wire has been short-circuited to voltage.
Mulige årsaker
- Supply cable short-circuited to voltage
Hva du kan gjøre
- 1Look for damage to the supply wire, particularly where it may have touched a live wire
- 2With a multimeter you can check that the supply wire has no contact with voltage while the car is switched off
- 3Check the connectors at the multimedia module for damage, loose contacts and oxidation
- 4Have a workshop measure the supply voltage to the multimedia module and compare it with that of the central electronic module
Symptomer du kan merke1
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