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Remote locking problems

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by jiffi77, Mar 2, 2011.

  1. jiffi77
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    jiffi77 Member

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    [Mar 2, 2011]
    The remote locking/unlocking has stopped working on my sisters 2002 Audi A4, is there anyway of re-synchronising the key-fob with only one key as that is all she has, all the threads seem to suggest you need two keys??
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  3. Cabbyfan
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    Cabbyfan Member

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    [Mar 2, 2011]
    I would love to know the answer to, I bought a replcement key on eBay, swapped the front blade etc so it opens and starts the car but I have tried all the methods I can find to sybc the remote locking and I cant do it ! I have a 2003 Cab mind....
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  4. Woorlord
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    Woorlord shifting to Hyperspace... . VCDS Map User

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    [Mar 2, 2011]
    You need VAG-COM and need to programme the new radio transmitter key code into the Convenience module - 5 min job with the right tools!
    See under Channel 21 in this link.
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  5. Cabbyfan
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    Cabbyfan Member

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    [Mar 2, 2011]
    Ah, thats annoying cos I dont have a copy yet...... no biggie its only my spare key.
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  6. jiffi77
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    jiffi77 Member

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    [Mar 3, 2011]
    Cheers I'll try that as I've got Vag-Com.
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  7. C17LJR
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    C17LJR Member VCDS Map User

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    [Mar 3, 2011]
    you can also resync a key by putting it in the lock in the handle, press & hold unlock while turning the key to unlock, then press & hold lock while turning the key to lock

    i've synced mine this way before when the battery had been disconnected when the engine was being rebuilt.
    #6
  8. Woorlord
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    Woorlord shifting to Hyperspace... . VCDS Map User

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    [Mar 3, 2011]
    This will re-sync the "rolling code" which may be the problem jiffi77 is having and assumes the key has previously been matched to the car and is not totally new.
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  9. C17LJR
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    C17LJR Member VCDS Map User

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    [Mar 3, 2011]
    Yeah, that's how I read it, that it was the existing key and it'd lost sync
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