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Thread: Test key fob ??

  1. #1
    A3 T's Avatar
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    Exclamation Test key fob ??

    Hi guys

    Is there another way to test a key fob to see if it just needs to be synced or if it just doesn't work?

    This is the method I've been trying:


    ”Open central locking controller (35), and go to measuring blocks.
    Open channel 3, and in block 4 there are 4 zeros.
    Using any remote, press and hold a button until one of the zeros changes to a one. The car will acknowledge any remote that is compatible with the car, regardless of it being programmed in. “



    But its not even showing the key fob that does work...lol



    Any ideas??

    .
    Audi A3 T sport (8l) AUM 2001..... Stage 1 Remap , Bailey DV30 , HID Headlights , LED Sidelights/Footwells , Catch Can , N249 Bypass , Tinted Windows .....

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  3. #2
    Dilligaf-UK's Avatar
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    Some locksmiths have the kit to pick up the RF signals from the Fob - could always give that a go
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  4. #3
    Reverse Gear

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    You can do a test in the adaption area, you dont have to save it. Try this
    Start Vag-Com
    Choose [46 - Comfort System]
    [Adaptation - 10]
    Go to channel 021.
    [Read]
    * Choose the memory position you want the new key be matched on by entering it's number (e.g. "3" for memory positon 3).
    [Test]
    * Now press any button on the remote you want to match.
    * The meas. block field above will change from Not Recogn. to Recognized.
    [Save] (if you want)

    Its very close to this with 10.6 vcds, the wording is slightly different

  5. #4
    A3 T's Avatar
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    Quote Originally Posted by kndkris View Post
    You can do a test in the adaption area, you dont have to save it. Try this
    Start Vag-Com
    Choose [46 - Comfort System]
    [Adaptation - 10]
    Go to channel 021.
    [Read]
    * Choose the memory position you want the new key be matched on by entering it's number (e.g. "3" for memory positon 3).
    [Test]
    * Now press any button on the remote you want to match.
    * The meas. block field above will change from Not Recogn. to Recognized.
    [Save] (if you want)

    Its very close to this with 10.6 vcds, the wording is slightly different


    Thanks for the reply

    I've actually tried that method before i found the one i posted up.


    The problem is i cant click “Test” as its dull (yes i have a full copy of vagcom....lol).

    Also i need to use central locking 35 instead of central convenience 46.
    Audi A3 T sport (8l) AUM 2001..... Stage 1 Remap , Bailey DV30 , HID Headlights , LED Sidelights/Footwells , Catch Can , N249 Bypass , Tinted Windows .....

  6. #5
    NHN
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    Yes he has an 8L not an 8P so has to use 35, is this a key of ebay or one for the car originally unused?

    OEM RETROFITS - CRUISE CONTROL - SAT NAV - BLUETOOTH - AMI - HEADLIGHT SYSTEMS

    PARKING SYSTEMS - DIAGNOSTICS - FAULT FINDING - BODYWORK - PAINTWORK

  7. #6
    A3 T's Avatar
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    Quote Originally Posted by NHN View Post
    Yes he has an 8L not an 8P so has to use 35, is this a key of ebay or one for the car originally unused?

    No mate its not from ebay..

    When i bought the car it come with two keys, one that works and on that don't.


    The person i bought the car from said that that one that works was not the original key and he had it made.


    The one that doesn't work still works in the door and starts the engine , its just the central locking (fob) that doesn't work.


    Tats why I'm trying to find out if its a faulty fob or its just a sync issue.

    .
    Audi A3 T sport (8l) AUM 2001..... Stage 1 Remap , Bailey DV30 , HID Headlights , LED Sidelights/Footwells , Catch Can , N249 Bypass , Tinted Windows .....

  8. #7
    NHN
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    Check the battery & also does the part number match the working one?

    OEM RETROFITS - CRUISE CONTROL - SAT NAV - BLUETOOTH - AMI - HEADLIGHT SYSTEMS

    PARKING SYSTEMS - DIAGNOSTICS - FAULT FINDING - BODYWORK - PAINTWORK

  9. #8
    A3 T's Avatar
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    Quote Originally Posted by NHN View Post
    Check the battery & also does the part number match the working one?
    The first thing i tried was changing the battery.....lol

    I'm not sure what you mean by “does the part number match the working one” mate.

    Do you mean are they both the same MHz ?

    If so then yes they are.


    EDIT:

    I just took them both apart and the part number of the one that's working is: "4D0.837.231 N" and the one that's not working is: "4d0.837.231 A" .

    I did a bit of searching and it seems that they should both work ok.


    .
    Last edited by A3 T; 23rd March 2011 at 01:23.
    Audi A3 T sport (8l) AUM 2001..... Stage 1 Remap , Bailey DV30 , HID Headlights , LED Sidelights/Footwells , Catch Can , N249 Bypass , Tinted Windows .....

  10. #9
    NHN
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    TBH the A supersedes to the N but shows the A as a brazilian fob lol.

    Given you cant even see the original fob signals it would maybe indicate an incorrect method used, this is from the B5 A4 chassis below, maybe same for 8L, worth a check to make sure correct.

    Audi A4 (8D) Central Locking - Ross-Tech Wiki

    OEM RETROFITS - CRUISE CONTROL - SAT NAV - BLUETOOTH - AMI - HEADLIGHT SYSTEMS

    PARKING SYSTEMS - DIAGNOSTICS - FAULT FINDING - BODYWORK - PAINTWORK

  11. #10
    A3 T's Avatar
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    Quote Originally Posted by NHN View Post
    TBH the A supersedes to the N but shows the A as a brazilian fob lol.

    Given you cant even see the original fob signals it would maybe indicate an incorrect method used, this is from the B5 A4 chassis below, maybe same for 8L, worth a check to make sure correct.

    Audi A4 (8D) Central Locking - Ross-Tech Wiki
    Thanks again for you reply


    When i say it doesn't see the original key , what i mean is that vag doesn't see it. i can use the fob to unlock the doors etc.


    .
    Audi A3 T sport (8l) AUM 2001..... Stage 1 Remap , Bailey DV30 , HID Headlights , LED Sidelights/Footwells , Catch Can , N249 Bypass , Tinted Windows .....

  12. #11
    NHN
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    Yes I understood that mate, original key works on all functions, spare key starts car but no remote lock functions.

    OEM RETROFITS - CRUISE CONTROL - SAT NAV - BLUETOOTH - AMI - HEADLIGHT SYSTEMS

    PARKING SYSTEMS - DIAGNOSTICS - FAULT FINDING - BODYWORK - PAINTWORK

  13. #12
    A3 T's Avatar
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    Quote Originally Posted by NHN View Post
    Yes I understood that mate, original key works on all functions, spare key starts car but no remote lock functions.
    That's the one

    Ill give the link you posted a try tomorrow and let you know how i get on.


    Thanks again mate
    Audi A3 T sport (8l) AUM 2001..... Stage 1 Remap , Bailey DV30 , HID Headlights , LED Sidelights/Footwells , Catch Can , N249 Bypass , Tinted Windows .....

  14. #13
    A3 T's Avatar
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    I just had another go at it and .......


    I tried the method posted in post 3 but as soon as i try and go to channel 21 It just says this:

    [





    Then i tried the methods in the link posted in post 9 And this is what it says before and after i try to sync the new key:









    Any other ideas
    Audi A3 T sport (8l) AUM 2001..... Stage 1 Remap , Bailey DV30 , HID Headlights , LED Sidelights/Footwells , Catch Can , N249 Bypass , Tinted Windows .....

 

 

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