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The instructions, tips and procedures come from trying myself, trail-and-error, from car forums in all countries and languages, from Ross-tech and VCDS distributors.

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I don’t accept any responsibility for things going wrong when changing codes to your car or using procedures written here.
Usage of this information is at your own risk.

 

 

Take precautions

• Make sure your laptop operating Vagcom / VCDS has a full battery or is powered enough. (when the laptop is powered down during a procedure you could damage the cars hard- or software for good.

• Before changing codes, write down the original value.

• Always start with an AUTOSCAN. In the newer versions of Vagcom / VCDS (version 9 or higher) all long codes are saved to a file on your laptop.

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