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  1. #1
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    VAGCOM on new RS4 - BY, 2007 - how do I use it?

    I have seen that I can buy an interface lead for about Ł12 but then there is the software sitiuation: which software do I need for the new RS4 and do I need to pay for it?

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  3. #2
    Gti Jazz Blue's Avatar
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    I would have thought that a 2007 RS4 will require a CANBUS interface which I doubt a Ł12 cable is.

    Paul
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    VCDS HEX-USB+CAN

  4. #3
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    CANBUS

    Please explain, as this means nothing to me.... How do I tell?

  5. #4
    The911SC's Avatar
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    the cheap leads use opto isolators and only support the old vag com software which will not code some modules. If all this doesnt make any sense to you then I suggest you save your 12 pounds and wait an see what you want to do.
    To get a real vag com cable, you will need to spend about 200 pounds then all of the programing software works.
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    (Vag com owner)

  6. #5
    mas
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    early cars use what is called K&L lines - low speed single device talks at once.
    canbus is multiplexed and high speed.

    they use different pins in the socket, different signal protocols and different encoding.

    I dont think can is supported on the free version of the software.

    Look on ross techs site for details or ask the dealer (or google)

    but if you can afford a new rs4 why quibble about spending a couple of hundred on what is a very good and very reasonably priced product.

    and no the ebay leads are not going to be can

  7. #6
    PetrolDave's Avatar
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    ALL B7's need a lead that supports K-line, L-line AND CAN bus since some controllers (e.g. on an RS4 the 2 engine ECU's at addresses 01 and 11) only have a CAN connection.

    Spend the $$$ and get a genuine lead such as a HEX-USB+CAN or a HEX-COM+CAN (which is what I use on my B7 RS4).
    2006 RS4 Avant (Phantom Black), RNS-E (2010 version inc SDS, HW 070, SW 0220) with AMI (250GB hard disk), Bluetooth + iPhone 5

  8. #7
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    Or find someone who has it already that lives in your area.
    Chris

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