We can clone 100% of the data from original tcu to donor/new tcu. Please message us to check if possible to clone your tcu/tcm unit. PLEASE NOTE THIS ADVERT IS FOR SERVICE ONLY. ! We can do most vw, skoda, audi we use the latest technology. We will need your old unit and your new unit. You can post this to us we will do on sameday and return it back sameday.