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Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by Jamie1985, Jan 2, 2013.

  1. Jamie1985
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    Jamie1985 Member

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    [Jan 2, 2013]
    The battery light came on yesterday was going to sort it saturday when i have time,

    Today tho on the way home the ABS light and Traction control lights came on aswell cant turn them off using the button!

    When i go to put my foot down it pulls away but seems to be holding back

    Please help

    Many thanks

    Jamie
    #1
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  3. Lambster
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    Lambster Member

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    [Jan 2, 2013]
    hi there
    are your brake lights working? if not have a look at the brake light switch, this can bring the traction and abs lights on
    i had this issue myself and it was a faulty brake light switch
    hope this helps
    #2
  4. Jamie1985
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    Jamie1985 Member

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    [Jan 2, 2013]
    Hi thanks for the response, On the on board computer screen it did have a bulb with a line through it and i think it said centre brake light out (not too sure)

    Just spoken to a mechanic he said it sounds like an alternator issue?!!

    If so is this a big job?
    #3
  5. Lambster
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    Lambster Member

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    [Jan 2, 2013]
    i shouldnt imagine so as they are easy enough to work on labour wise
    not too sure on price of alternator tho
    hope you get sorted :)
    #4
  6. lgooch
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    lgooch Active Member

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    [Jan 2, 2013]
    Alternator not too bad. Just awkward. Brake light switch is a 5 min job and only about 20 quid. Do this first. I had same issue on a golf and it just killed the power. Took the switch out and it had melted !
    #5
  7. stu_m
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    stu_m Active Member VCDS Map User

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    [Jan 2, 2013]
    you can easily check to see if your alternator is working if you have a multimeter

    start the car put it across the battery terminals and you should get a reading of around 14 volts
    #6
  8. Jamie1985
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    Jamie1985 Member

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    [Jan 2, 2013]
    Car wont start Stu so cant check, car was running then faults appeared and i turned it off and it acts like batterys dead (wont turn over, no power)
    #7
  9. stu_m
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    stu_m Active Member VCDS Map User

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    [Jan 2, 2013]
    sounds like the battery is flat to me which could be alternator not charging

    all the other lights could be related

    get the battery charged or try jumping it from another car

    its no good trying anything with a flat battery
    #8
  10. swarcup
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    swarcup Well-Known Member

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    [Jan 2, 2013]
    the battery will have flattened if the alternator is dead.
    #9
  11. demus
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    demus Fire in the hole !!

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    [Jan 2, 2013]
    As mentioned if the brake lights are stuck on due to a faulty switch the battery will drain also. The brake lights work even if the ign is off..
    If you try to accelerate with the brakes on (or the brake lights stuck on) the car will restrict power to protect itself...
    #10

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