No free tool currently calculates SFD variants. VAG has introduced SFD 2.0 (better security) and SFD for FOTA (firmware updates). The "full free calculation" on MHH typically only works for older SFD 1.0 vehicles (pre-2023). For ID. series software 3.2+, you may need a paid solution.
, the technician selects the module to be unlocked. The tool then displays a unique Login Request Info and the vehicle's Calculate the Token:
VAG SFD Calculation: Unlocking Modern Vehicle Diagnostics SFD (Schutz Fahrzeug Diagnose)