VCDS (HEX-V2)
Open the target module → Security Access → SFD → ‘Generate offline challenge’. Copy the full hex blob from the bottom pane.
Module → Security Access → SFD → Generate offline challengeUnlock your SFD instantly and get your vehicle ready for an update.
The VAG SFD Unlocking Service supports Volkswagen, Audi, Škoda, SEAT, CUPRA, Porsche, Bentley, Lamborghini, Bugatti and MAN vehicles.
Unlock your SFD instantly and get your vehicle ready for an update.
The VAG SFD Unlocking Service supports Volkswagen, Audi, Škoda, SEAT, CUPRA, Porsche, Bentley, Lambo, Bugatti and MAN vehicles.
The same flow whether you’re on the lift with a workshop tool or working remotely with an apprentice on the phone.
Note the 2-digit hex address — e.g. 17 for the instrument cluster — and whether your tool reports SFD or SFD2.
Trigger SFD → ‘offline challenge’ in your scan tool. Copy the full hex string.
Paste the challenge here, pick the SFD version, pay with card or crypto. SFD tokens come back instantly; SFD2 within 24 h.
Paste the token back into your tool (or auto-write via our desktop app) — module unlocked, ready to code.
A standard workshop kit is enough — no proprietary credentials or dealer logins required.
A diagnostic tool
VCDS, ODIS, OBDeleven, autel, Launch, or any J2534 PassThru tool that can talk UDS to the target ECU.
Physical access to the vehicle
We’re cryptographic, not magic — your tool has to be plugged into the OBD-II port to read the challenge and write the response.
Card or crypto for €15 / €175
We accept Visa, Mastercard, Apple Pay, Google Pay, and major crypto. No subscription, pay-as-you-unlock.
30 seconds (SFD) or up to 24 h (SFD2)
SFD generation is automatic. SFD2 routes through a manual operator pipeline; budget up to a working day.
Here’s how to surface it in the three most common workshop tools. Other tools follow the same pattern: SFD → offline challenge → copy hex.
Open the target module → Security Access → SFD → ‘Generate offline challenge’. Copy the full hex blob from the bottom pane.
Module → Security Access → SFD → Generate offline challengeOpen the diagnostic session → Security Access (0x29) → request seed → export challenge. Make sure you’re in offline mode.
Diagnose → Security Access (0x29) → Export challengeTap the module → Online coding → Unlock SFD → Generate request. The challenge is shown on screen — long-press to copy.
Module → Online coding → Unlock SFD → Generate requestIf your vehicle uses VAG-style SFD security access (MQB / MQB Evo / MEB / PPE), we cover it. Pick your brand inside the form for tailored module hints.
Volkswagen
SFD & SFD2 unlock tokens for Volkswagen MQB / MQB Evo / MEB vehicles — engine, transmission, ABS, airbag, instrument cluster and gateway modules.
Audi
SFD & SFD2 unlock tokens for Audi A/Q/e-tron series — drive train, chassis, infotainment and gateway access.
Škoda
SFD & SFD2 unlock tokens for Škoda Octavia, Superb, Kodiaq, Enyaq — full module coverage.
SEAT
SFD & SFD2 unlock tokens for SEAT Leon, Ateca, Tarraco and CUPRA — drive, comfort and infotainment.
MAN
SFD & SFD2 unlock tokens for MAN commercial vehicles — TGX, TGS and TGE series.
Bentley
SFD & SFD2 unlock tokens for Bentley Continental, Bentayga and Flying Spur.
Built around minimum-friction guest checkout. We log the bare minimum needed to deliver the token and run our books.