Vagcom or VCDS doesn't have SVM as part of the functions.
Only a dealer diagnostic machine with VW internet connection can update the SVM.
If it is not done the official way - each time your car goes in for a service the cars equipment is checked against the central database.
If there is a discrepancy the system asks if the car should be reset to the database.
If it is reset - anything that wasn't fitted at the factory or fitted officially and SVM updated will stop working.