A6 4F Which module holds the VIN number?

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B5NUT

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Not sure if anyone has the answer to this question, but here goes!

My car is a 2006 Audi A6 4f, I'm going to change the can-gateway and instrument cluster. Both parts I'm fitting are from other cars so they will go into component protection when fitted to my A6, the question is when I connect VAS to remove CP where will it pick up the correct chassis number? Or would it be best to replace one item at a time and then remove CP?

The reason why I ask is that I could fit both items at home and then take the car into the dealers, I know almost everything in the car will be disabled unit CP is removed, as I've replaced a few can-gateways before..
 
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B5NUT

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My have already found the answer it looks like it's in the immo control unit, so should be Ok changing both.
 
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Uwe

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Yup, the Immo/Kessy module is the "master" when it comes to this stuff.

-Uwe-
 
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Keithuk

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I found another on a forum Volkswagen VIN decoder which gives basic info for mine and I put an old US VIN number in 3VWDB21GXNM004805

VCDS log files show the VIN number if you want to try those?
 
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