Good news! We are excited to announce the release of the VAG SFD function on Autel diagnostic devices, available from 28th October 2024. This powerful new feature will significantly enhance your ability to perform advanced diagnostics on supported VAG (Volkswagen Group) vehicles. Autel scanners now available to purchase tokens in machine to unlock VAG SFD security gateway.
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What is SFD?
Vehicle Diagnostic Protection (also known as SFD – Schutz Fahrzeug Diagnose) is an additional security layer that requires authorization between the vehicle and manufacturer.
It’s been introduced by Volkswagen Group (VAG) to help protect vehicle owners from fraud by providing information on who and when has made modifications to their vehicles. SFD restricts functions like adaptations, coding, and parametrizations.
This protection applies to the models manufactured from 2020 with the MQB Evo (e.g., VW Golf 8, Škoda Octavia IV, Seat Leon IV, Audi A3 8Y, Q4) and MEB (e.g., VW ID.3, ID.4, Škoda Enyaq) platforms.
The control units protected by SFD include Engine Electronics, Central Electrics, Instrument Cluster, Gateway Electrics, Multimedia Unit, and more.
When need SFD Unlocking?
Brand: Volkswagen, Audi, Skoda, SEAT, Volkswagen Commercial Vehicles, Bentley, Lamborghini
MMY: 2020+
Function: Clear code, action test, matching, basic settings, coding, common special functions, guidance functions, etc.
| Model | Module | Function | Token Valid Time | |
| Audi A3/S3/RS3 (2020-on) Audi A6/S6/RS6 (2018-on) Audi A7/S7/RS7 (2018-on) Audi A7L (2022-on) Audi Q4 e-tron (2022-on) Audi Q5 e-tron (2022-on) Audi Q8/SQ8 (2019-on) Audi e-tron (2019-on) Audi e-tron GT (2021-on) Audi Q8 e-tron GT (2024-on) | Volkswagen: A1/AC – T-Roc 2018 > AE/AW – Polo 2017 > AW/C1 – T-Cross 2019 > CK – Polo 2020 > CS – Taigo 2022 > CW – Taigun 2022 > D2 – Virtus 2022 > BF – T-Cross 2019 > BZ – Polo/Virtus 2018 > CH – Nivus 2020 > CY – Polo SUV 2022 > R1 – Polo Track 2023 > 5G/BA/BC/BE/BQ/BV/BX – Golf 2013 > 5T – Touran 2016 > AD/AX/BJ/BT – Tiguan 2016 > AM/AN – Golf Sports van 2014 > AU/BE/BX – Golf 2013 USA/CAN > BU – Jetta 2018 USA/CAN> BW – Tiguan 2018 USA/CAN> CL – Taos 2021 USA/CAN > CL/CQ – Taos 2021 > CP – Tarek 2021 > CD/CG – Golf 2020 > CD/CG – Golf 2022 USA/CAN > CK – Atlas PA 2024 USA/CAN > E1 – ID.3 2020 > E2/E3 ID.4 2021 > E2/E3 ID.5 2022 > E8 – ID.4 2021 USA/CAN > E6 – ID.4 Crozz 2021 > E7 – ID.6 Crozz 2021 > E4 – ID.4 X 2021 > E5 – ID.6 X 2021 > E9 – ID.3 2021 > EA – ID.7 Vizzion 2023 > ED – ID.7 Aero B 2023 > EB – ID.Buzz 2022 > CT – Tiguan 2024 > CT – Tiguan 2024 > CJ – Passat 2024 > | Engine Control Unit Electronic Brake System Central Electrical System Airbags Instrument Cluster Data Bus Diagnostic Interface Brake Booster Multifunction Module Information Electronics System Communication Unit’s Emergency Call Module …. | To perform special functions, matching, coding, and other operations, you need to unlock the system first. Otherwise, the ECU will deny access. This applies to tasks like maintenance resets, brake pad replacements, airbag module coding, etc. | Normally, once unlock the modules, it will be operated for a duration of up 90 minutes. The ECU will automatically lock itself, and need to unlock again. |
| Volkswagen CV: SB – Caddy 2020 > ST – Multivan 2021> EB – ID.Buzz 2023 > | ||||
| Seat: KL – Leon 2020 > KM – Formentor 2021 > K1 – Born 2022 > | ||||
| Bentley: Bentayga 2017> Bentayga 2024> Flying Spur 2020> Continental Series 2018> | ||||
| Lamborghini: Revuelto 2024> | ||||
| Skoda: Scala 2019> Kamiq 2020> Slavia 2022 > Octavia 2020 > Enyaq 2021 > | ||||
Compatible Autel scanners:
Autel MaxiSys Ultra series (MaxiSys MS909, MS919, Ultra, Ultra Lite, Ultra EV)
Upcoming:
MaxiSys 906 series,
MaxiSys 908 series,
MaxiDAS DS800 series,
MaxiDAS DS900 series
MaxiCheck MX808 series,
MaxiCheck MX900 series
Unlock Method
①24H token for one VIN ($15 for a token)
②1-year token subscription* ($120 for 1 year)
SFD Unlocking Process
How to Purchase online unlock token in Autel?
If the car needs SFD unlocking, this interface will pop up.
Select Control Unit->choose system, for example Engine Control Module
Choose Security access (login)
Select Online Unlock SFD
Purchase token
Two factor authentication
Volkswagen requires two-factor authentication, please install the Google Authenticator app on your phone before proceeding.
In this interface, hit LINK
Autel ID needs to be linked with Google Authenticator App.
Press Send.
Email send successfully.
You will receive the binding process.
Open your Autel ID email
Copy the 16-digit code in the email.
After the Google Authenticator app has been successfully installed, follow the instructions to bind it to your Autel account.
- Open the Google Authenticator app on your phone, press Adda code, then press Enter a setup key;
- Enter your Autel account name in the Account name field;
- Enter the 16-digit secret key in the Your key field;
- Select Time based in Type of key;
- Press Add to complete the binding of Google Authenticator to your Autel account;
- After the Autel account is successfully bound, a 6-digit dynamic authentication code will be displayed on your phone. Please press Authenticate on the diagnostic device and enter the latest authentication code to unlock the SFD.
Note:
For successfully finish the two-factor authentication, make sure the email you used on AUTEL ID can receive emails, if not, please [Switch Account]
Go back to this page. Press Continue.
When entering a specific module, you will be asked to unlock SFD. For example, Engine Control Module.
Select Security access (login)
Here you can see the lock status of the module.
Select Online Unlock SFD.
Press Continue.
Press Authenticate.
Google Authenticator App is required for verification when unlocking.
Enter 6-digit number in the Authenticator App.
Authentication successful.
Make sure network is in good condition.
SFD unlocked successfully. each unlock is valid for 90 minutes.
How to Renew SFD Subscription?
- If Volkswagen Auto Group Security Gateway function has been purchased before, then customer can go to OEM Authorization App to renew the subscription.
FAQs:
- If the device has not purchased any Security Gateway function, it shows blank when entering OEM authorization.
- Make sure your diagnostic subscription is within the validity period before purchase SFG token
- 24H token for one VIN means if you purchase this token, you could unlock all modules of one vehicle
FYI: Autel also allows manual unlock VAG SFD, check instructions here
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