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Discussion in 'VCDS (formerly VAG-COM) forum' started by vw754, Mar 10, 2008.

  1. vw754

    vw754 vorsprung Durch Technik

    Nov 4, 2006
    Likes Received:
    seat toledo 'V' -reg battery was disconnected and a new one fitted after 2 days,now car dont want start,immobiliser symbol flashes on the dash.

    It starts and runs for around 1-2 seconds then cuts out....any ideas on what to do ?

    I do have vag-com.........
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  3. inigoj

    inigoj Member

    Dec 4, 2004
    Likes Received:
    Do you have another key that you can try, as it may be a defective transponder.

    If you have an adjustable steering column, give it a wiggle incase it is the reader coil.

    Try disconnecting the battery + and then reattach it.

    Alternatively, with a fully charged battery 12.5v, try turning the ignition on (dont start the engine) and leave it for 15mins. Then try and start the engine again.

    Do you have an aftermarket immob/alarm fitted?

    Which factory immob do you have, immob 2 or 3?

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