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WhatsApp: +86 13510112342Email: bohnelec@outlook.comStarting with model year 2024, many VAG vehicles have implemented the SFD version 2 data protection system, which complements the original version. In such vehicles, SFD v1 is used to protect diagnostic functions, while SFD v2 protects calibration data. This means that operations like brake pad retraction or service interval reset require SFD v1 unlocking, whereas changes to adaptation channels, coding, or parameter uploads require the generation of a special SFD v2 token. Each SFD v2 token is unique and includes a checksum of the data it was generated for. ECUTool Company currently offers the service for SFD2 token generation (data signing).SFD2 VAG Car models Audi Audi A1 GB from 21.03.2024 Audi A3 8Y from model year 2025 Audi A4 8W from model year 2024 Audi A5 F5 from model year 2024 Audi A6 4A from model year 2024 Audi A7 4K from model year 2024 Audi A8 4N from model year 2024 Audi Q2 GA ab 21.03.2024 Audi Q3 F3 from 25.03.2024 Audi Q4 F4 ab 25.11.2023 Audi Q5 FY from model year 2024 Audi Q7 4M from 14.08.2023 Audi Q8 4M ab 14.08.2023 Audi e-tron GE from model year 2024 Audi e-tron GT F8 from model year 2024 Volkswagen VW Arteon 3H from model year 2024 VW Crafter SY from model year 2025 VW Caddy SB from model year 2025 V W Golf 8 CD, CG from 01.04.2024 VW Polo AE1 from March 12, 2024 VW T-Cross D31 VW Touran 5T from March 6, 2024 VW T-Roc D11, AC8 ab 24.03.2024 VW Taigo CS from 18.03.2024 VW Tiguan allspace BJ2 ab 19.02.2024 VW Touareg RC VW T7 ST with PR number: NI1 or NI9 VW ID3 E12 from model year 2025 VW ID4 E21 from January 15, 2024 VW ID5 E39 from 15.01.2024 VW ID Buzz EB from model year 2025 Skoda Skoda Enyaq 5A with PR-Nr.: NI1 or NI9 Skoda Fabia PJ from Mj. 2024 Skoda Kamiq NW4 ab 29.01.2024 Skoda Scala NW1 ab 29.01.2024 Skoda Karoq NU from 25.03.2024 Skoda Octavia NX with PR number: GP1 Seat / Cupra Seat Arona KJ7 from 12.02.2024 Seat Ateca KBP, KHP with PR-Nr.: NI7 Seat Born K11