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a4 electrical problems

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by karl210, Oct 28, 2012.

  1. karl210
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    karl210 Member

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    [Oct 28, 2012]
    My mate has a few problems with his a4.
    Firstly the central locking has a mind of its own and is constantly unlocking the car when driving, theres the odd time the boot opens on its own too. The glow plug, esp and abs lights come on too. I hooked my vcds lite upto it and there was 11 faults in the central conveniance unit which i cleared and 6 came back, and it says the brake light switch is faulty, but we replaced that about a year ago and the brake lights are working fine. Ive had a bit of a search and it says about water getting in under the scuttle panel and damaging the electrics there and also about water getting into the passenger footwell and damaging the central convenience unit, but they are both dry as a bone with no signs of any water that has got in.
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  3. Ste_Nova
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    Ste_Nova Active Member

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    [Oct 28, 2012]
    when did it last have a battery?

    what are the 6 faults?
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  4. karl210
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    karl210 Member

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    [Oct 28, 2012]
    just had a look now:
    01330 - central control module for central convenience faulty
    01134 - alarm horn
    01134 - not sure why it says it twice
    01561 - left rear door wont de-safe
    01562 - right rear door cant unlock
    01562 - again?

    also:
    00526 - brake light switch implausable signal - intermittent
    17994, engine mount solanoid. I cleared this and it hasnt come back yet?

    I will ask him about a battery but i dont think its had one in a while

    thanks
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