No tool does it it all, whether Clone or original and some even then no joy as vw closed to 3rd party's, here is a link someone trying to get there vehicle to run based on a Dona Module, i know in the new year is making big gains i have been informed by a reliable source that is why i first set this question in motion, Big cheque have changed hands to speak and discussions so watch this space,
https://forums.ross-tech.com/index.php?threads/13725/ . I have a bought a 2.5k scanner covers most manufactures, does Diagnostics immobiliser / keys ( Locksmith ? ) but does not always work out, so you need other tools all money if you want to play with the big Boys, But is for the money very good , future improvements will help make it even better,