If you have landed on this page searching for a way to bypass or calculate tokens for free, you are likely a professional mechanic or a serious hobbyist who has been frustrated by the locked control units on a 2020+ VW Golf Mk8, Audi A3 8Y, or ID electric series.
The SFD unlocking process relies on an asymmetric cryptographic challenge-and-response system: The Challenge Code: work free vag sfd calculation mhh auto page 1