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VW Passat B6. New Radio Problem.

  • 07-08-2014 10:23am
    #1
    boardzz
    Registered Users Posts: 860 ✭✭✭


    I changed my radio from the orignal passat radio to a new touch screen radio. It was a very simple swap around but the problem now is the radio does not turn off when I take the key out. I need to manually turn off radio and turn on or else battery will be drained.
    I've read its something to do with been connected to battery directly rather than the ignition.
    Anyone know how I can sort this out?


Comments

  • #2
    jimgoose
    Registered Users Posts: 20,174 ✭✭✭✭jimgoose


    The clue is in the question, is it not??


  • #3
    boardzz
    Registered Users Posts: 860 ✭✭✭boardzz


    Ya but I don't know how to connect it to ignition. Is it to do with wires in back or fuses or what?


  • #4
    jimgoose
    Registered Users Posts: 20,174 ✭✭✭✭jimgoose


    boardzz wrote: »
    Ya but I don't know how to connect it to ignition. Is it to do with wires in back or fuses or what?

    Found this thread: http://www.boards.ie/vbulletin/showthread.php?p=83593427

    It may help. Seems VWs send on/off directives to the ICE via CANBUS.


  • #5
    _Kaiser_
    Registered Users Posts: 28,647 ✭✭✭✭_Kaiser_


    On older B6's you needed to change the wiring loom if upgrading the stereo to one of the newer variants (eg: RCD300 -> RCD310/510 etc) or it'd drain the battery.

    You don't give the age of your car or the stereo you've fitted but it could be something similar?


  • #6
    boardzz
    Registered Users Posts: 860 ✭✭✭boardzz


    It's an 2006 model with RCD300 radio.

    What do you mean by changing the wiring loom?


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  • #7
    _Kaiser_
    Registered Users Posts: 28,647 ✭✭✭✭_Kaiser_


    boardzz wrote: »
    It's an 2006 model with RCD300 radio.

    What do you mean by changing the wiring loom?

    Have a look on Google for "b6 passat rcd510 battery drain"

    It's actually the Canbus module that needs replacing - although there's various cheaper fixes mentioned on the VW forums.

    In short though, you'll need to invest a bit more I'm afraid.


  • #8
    Mikko Mallikas
    Registered Users Posts: 170 ✭✭Mikko Mallikas


    Is it not a case of swapping the red and yellow? like in the old days.


  • #9
    boardzz
    Registered Users Posts: 860 ✭✭✭boardzz


    I sorted the problem by directly connecting the red acc wire to the airbag light underneath the radio. Works a charm.


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