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  1. #1
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    sploorer

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    anyone had this problem before?

    hello
    tonight i filled the car up £50 worth stuck the key in and it failed to start (key symbol flashing on dash)
    in the end it started after shutting the drivers door and setting the alarm and unsetting it,
    then when i tried it on the drive at home its done it again
    and will not start at all the symbol is still flashing
    ive disconnected the battery and ill have another go before work
    the remote was working too before but ive checked the battery and now it also wont resync to the car..
    ive tried my other key too and thats the same

    any ideas please
    matt


    its a 2002 1.8 T manual

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  3. #2
    6th Gear

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    The flashing is a immobiliser.
    Atlas Grey A4 2.5 TDI Quattro Sport.
    Mods so far: Cruise control, DIS, Heated Mirrors, Tuning box, Xenonx, Centre Arm Rest, MFSW, RNS-E, SDS and Aero Wipers.
    To do: None yet.
    Next: Auto dip rearview mirror and Folding Mirrors.

  4. #3
    3rd Gear

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    sounds like the reader coil in the ignition barrel might have gone, this happened quite a few times when I worked at an Audi dealer, will need a new barrel if I remember correctly...

    The coil reads the immobiliser code from the key and then disables the immobiliser prior to start up...
    03MY 52 reg 1.9 TDi 130PS Quattro Sport Avant - 170bhp remap, RNS-E+OEM bluetooth, B7 wiper arms/blades, 4300K HID+nightbreakers/LED sidelights, rear tints, new lights all round, new front/rear screens, frt armrest, s-line kit, cruise/DIS, B7 gearknob/aluminium trims, parking sensors, black grilles, RS4 RARB, S4 front end, black 18" RS6 alloys

    Still waiting..... S4 rear bumper, exhaust tips, coilovers, leather recaro's.... phew...

  5. #4
    BahnStormer77's Avatar
    BahnStormer

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    definitely an immobiliser issue... only time I've had that was when I hadn't used that key for years.... remote worked, but it just flashed the little key symbol when I tried using the key.
    LostBok/BahnStormer77
    A6 (C7) Avant 3.0TFSI, DSG, rain and light sensor pack, LED headlight pack, MMI touch, SDS high, AMI, 360deg sensors + auto-park, Dunlop SP Winter Sports / Pirelli P Zero's.

  6. #5
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    Thanks for the replies it started perfectly this morning
    I'm wondering if it was an interference issue
    I've left it at home today I'll have a look over it tonight

  7. #6
    BahnStormer77's Avatar
    BahnStormer

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    I had an interface issue with an old Mk3 Golf I had a while back: contact points on either side of the key weren't sending the immobiliser signal and would only work a certain way around, but I think the Audi B6's send it differently (wirelessly?)... there's certainly no obvious contact points.
    LostBok/BahnStormer77
    A6 (C7) Avant 3.0TFSI, DSG, rain and light sensor pack, LED headlight pack, MMI touch, SDS high, AMI, 360deg sensors + auto-park, Dunlop SP Winter Sports / Pirelli P Zero's.

  8. #7
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    im having a autolocksmith out today to recode the transponder

    fingers crossed

  9. #8
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    the locksmith came out
    and had to reprogram both keys as both had lost their code !!
    cost 135 Quid

    anyone have any idea how it happened ? he said its unusual for audis to do it

  10. #9
    5th Gear

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    i had the same problem would just randomly stop working but would unlock the car fine

    changed the battery and its never done it since!!

  11. #10
    5th Gear

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    ps thats the battery in the fob!

  12. #11
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    cheers stu
    its worth checking for a few quid

  13. #12
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    The problem came back again today called the AA who towed me to a garage
    But while being towed with the ignition on after 20 minutes
    The problem fixed itself again
    I'm tempted to book the car into Audi to get it sorted
    Or send the ecu off to have the immobiliser deleted from the ecu to cure it once and for all

  14. #13
    Reverse Gear

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    I can help if you go for the option of completely removing the immo from the ecu.

    Thanks

    Vagtronics.co.uk
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