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Thread: Considering purchase

  1. #1
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    Considering purchase

    Hi,
    I'm considering buying the 10 x Vin version, I've not used any Ross Tech system before, is it fairly straight forward to understand? I repair a few crash damaged VW/Audi as a sideline, only a handful a year and so I need it for resetting warnings / airbags & diagnosing etc.

    Quite often I only get one key with a vehicle, so can this programme a second key to the car including newer mk7 Golfs & Audi Q3's?

    Finally, will this work on my 2007 VW T5 van?

    Many thanks

  2. #2
    VCDS Distributor Boki Ar's Avatar
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    Lightbulb

    Hi,

    Here is Online Demo / Manual and Ross-Tech Wiki will give You answer on many question, including this page.

    10 VIN is good choice, You can up-grade on "Unlimited" any time.

  3. Likes Uwe liked this post
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    Benevolent Dictator Uwe's Avatar
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    Quote Originally Posted by invernesspl View Post
    Quite often I only get one key with a vehicle, so can this programme a second key to the car including newer mk7 Golfs & Audi Q3's?
    Nope. Cannot program keys on cars that new.

    Quote Originally Posted by invernesspl View Post
    Finally, will this work on my 2007 VW T5 van?
    Yes.

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

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    New User EmiliNickson's Avatar
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    Quote Originally Posted by Boki Ar View Post
    Hi,

    Here is Online Demo / Manual and Ross-Tech Wiki will give You answer on many question, including this page.

    10 VIN is good choice, You can up-grade on "Unlimited" any time.
    Thanks for sharing these links!Really healpful!

  6. #5
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    Quote Originally Posted by Uwe View Post
    Nope. Cannot program keys on cars that new.

    -Uwe-
    Hi.
    One of the main reasons I would use the Ross tech software would be for programming a spare key to vehicles, generally VW & Audi from 2010 onwards. Why can it not programme new keys, and what is needed to be able to programme a new key?

    Many thanks.

  7. #6
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    You need another tool to get immo pin code before vcds can use it.

  8. #7
    Benevolent Dictator Uwe's Avatar
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    Quote Originally Posted by invernesspl View Post
    One of the main reasons I would use the Ross tech software would be for programming a spare key to vehicles, generally VW & Audi from 2010 onwards. Why can it not programme new keys, and what is needed to be able to programme a new key?
    Because a static PIN code is not sufficient on those cars. The way this works now is the immobilizer generates a 32-bit challenge code that changes with every ignition cycle. In order to program keys, the scan tool must calculate the corresponding/matching response. Unfortunately, even the dealers' cannot do that themselves; instead they connect to VW/Audi's corporate server, which calculates the response from the challenge, and that makes it rather difficult to reverse engineer.

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

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    Quote Originally Posted by Uwe View Post
    Because a static PIN code is not sufficient on those cars. The way this works now is the immobilizer generates a 32-bit challenge code that changes with every ignition cycle. In order to program keys, the scan tool must calculate the corresponding/matching response. Unfortunately, even the dealers' cannot do that themselves; instead they connect to VW/Audi's corporate server, which calculates the response from the challenge, and that makes it rather difficult to reverse engineer.

    -Uwe-
    Hi, and thanks for the reply!
    So how are the manufacturers able to do this? Isn't that a grey area that only they can carry out this procedure?

    Also, how do we know what vehicles / age of vehicles can be programmed by the ross tech software without needing the dealer code?

    Thanks

  10. #9
    Benevolent Dictator Uwe's Avatar
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    Quote Originally Posted by invernesspl View Post
    Hi, and thanks for the reply!
    So how are the manufacturers able to do this? Isn't that a grey area that only they can carry out this procedure?
    In those markets that have regulatory requirements that allow independent workshops to do this kind of work (like the EU and the US), there are mechanisms in place to get independent workshops access to their scan tool software and their server. It's not cheap or easy, but it meets the regulatory requirements. I don't know exactly what's involved in the EU, but in the US, a shop needs to start by getting certified as a Vehicle Security Professional. See here.

    Quote Originally Posted by invernesspl View Post
    Also, how do we know what vehicles / age of vehicles can be programmed by the ross tech software without needing the dealer code?
    If you have a means of obtaining PIN codes, VCDS can do it with vehicles that use Immo generations 4a and older. These can generally be identified by the fact that they have Immobilzer IDs (or serial numbers) starting with VWZ or AUZ (a 'Z' in the 3rd digit). Those that use the challenge/response instead of a fixed PIN will have an 'X' in the 3rd digit. There's no hard-and-fast rule for a model year where this change was implemented. The high-value cars came first, and the run-of-the-mill Golf class cars got it around 2007.

    See also:
    http://wiki.ross-tech.com/wiki/index.php/Immobilizer

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

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    Thanks for the info. Wow they certainly have made things difficult on the newer cars! i'll give my local VW dealer a call and see what extortionate prices they want to duplicate a key!

    so, with the older cars that can be done using Ross tech, do you have to register the VIN on each car? (does it count towards your 10 Vins)

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