Volkswagen protection of car diagnosis: Difference between revisions
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{{InfoboxProductLine | {{InfoboxProductLine | ||
| Title = Volkswagen AG - Schutz der Fahrzeugdiagnose (SFD) ("Protection of car diagnosis") | | Title=Volkswagen AG - Schutz der Fahrzeugdiagnose (SFD) ("Protection of car diagnosis") | ||
| Release Year =2024 | | Release Year=2024 | ||
| Product Type =Inbuilt diagnosis filter for cars | | Product Type=Inbuilt diagnosis filter for cars | ||
| In Production =Yes | | In Production=Yes | ||
| Official Website =https://privacy.volkswagen.com/download/get-document-content/57b3edcf-a670-4cfc-87b5-f6afd70f3bb2 | | Official Website=https://privacy.volkswagen.com/download/get-document-content/57b3edcf-a670-4cfc-87b5-f6afd70f3bb2 | ||
| Logo =QuestionMark.svg | | Logo=QuestionMark.svg | ||
}}SFD(2) - Schutz der Fahrzeugdiagnose roughly translates to Protection of car diagnosis and is a system from Volkswagen AG designed to protect software-controlled vehicle functions from unauthorized access and manipulation.<ref name=":0">{{Cite web | | }} | ||
SFD(2) - Schutz der Fahrzeugdiagnose roughly translates to Protection of car diagnosis and is a system from [[Volkswagen]] AG designed to protect software-controlled vehicle functions from unauthorized access and manipulation.<ref name=":0">{{Cite web |author=Volkswagen AG |date=1 Jul 2021 |title=Schutz der Fahrzeugdiagnose - Nutzungsbedingugen |url=https://privacy.volkswagen.com/download/get-document-content/57b3edcf-a670-4cfc-87b5-f6afd70f3bb2 |url-status=live |access-date=30 May 2025 |archive-url=https://web.archive.org/web/20240304060729/https://privacy.volkswagen.com/download/get-document-content/57b3edcf-a670-4cfc-87b5-f6afd70f3bb2 |archive-date=4 Mar 2024 |language=de}}</ref> | |||
Access to the cars control units is secured in such a way that only users with a valid, personal account in the SFD backend of Volkswagen AG or in the system of the respective diagnostic system provider are authorized. In addition, all accesses to SFD-protected control units are individually logged via the SFD backend of Volkswagen AG to ensure traceability at a later stage.<ref name=":0" /> | Access to the cars control units is secured in such a way that only users with a valid, personal account in the SFD backend of Volkswagen AG or in the system of the respective diagnostic system provider are authorized. In addition, all accesses to SFD-protected control units are individually logged via the SFD backend of Volkswagen AG to ensure traceability at a later stage.<ref name=":0" /> | ||
==Origin of SFD== | ==Origin of SFD== | ||
SFD(2) stems from UNECE regulations (Addendum 154 – UN Regulation No. 155, Addendum 155 – UN Regulation No. 156) which were adopted by the UNECE World Forum for Harmonization of Vehicle Regulations on June 24, 2020.<ref name=":1">{{Cite web | | SFD(2) stems from UNECE regulations (Addendum 154 – UN Regulation No. 155, Addendum 155 – UN Regulation No. 156) which were adopted by the UNECE World Forum for Harmonization of Vehicle Regulations on June 24, 2020.<ref name=":1">{{Cite web |author=Sekurit Service |date=31 May 2025 |title=Erweiterter CYBER-SECURITY-SCHUTZ (SFD2/UNECE) bei VAG- | ||
Fahrzeugen ab Modelljahr 2024 |url=https://www.sekurit-service.com/medias/Technical-Bulletin-New-CSM-Funktion-at-VAG-vehicles-DE.pdf?context=bWFzdGVyfGltYWdlc3wxNjYyMTZ8YXBwbGljYXRpb24vcGRmfGFETmlMMmhsT0M4NU5UYzBORFkwTmpFNE5USTJMMVJsWTJodWFXTmhiQ0JDZFd4c1pYUnBiaUJPWlhjZ1ExTk5JRVoxYm10MGFXOXVJR0YwSUZaQlJ5QjJaV2hwWTJ4bGMxOUVSUzV3WkdZfDAyNmI1YjU0YjYyYzdjODA3ZTg3MTkzMDFjMDBjZjZhNTcyYjhmNjcwY2U2NmVlMTYyMGI3MzY2ZThlMTQ2MDg&attachment=true |url-status=live |access-date=2025 | Fahrzeugen ab Modelljahr 2024 |url=https://www.sekurit-service.com/medias/Technical-Bulletin-New-CSM-Funktion-at-VAG-vehicles-DE.pdf?context=bWFzdGVyfGltYWdlc3wxNjYyMTZ8YXBwbGljYXRpb24vcGRmfGFETmlMMmhsT0M4NU5UYzBORFkwTmpFNE5USTJMMVJsWTJodWFXTmhiQ0JDZFd4c1pYUnBiaUJPWlhjZ1ExTk5JRVoxYm10MGFXOXVJR0YwSUZaQlJ5QjJaV2hwWTJ4bGMxOUVSUzV3WkdZfDAyNmI1YjU0YjYyYzdjODA3ZTg3MTkzMDFjMDBjZjZhNTcyYjhmNjcwY2U2NmVlMTYyMGI3MzY2ZThlMTQ2MDg&attachment=true |url-status=live |access-date=30 May 2025 |language=de}}</ref> | ||
Since July 2022, these rules have applied to all newly registered model series of passenger cars, light commercial vehicles, trucks, and buses. Starting July | Since July 2022, these rules have applied to all newly registered model series of passenger cars, light commercial vehicles, trucks, and buses. Starting 1 July 2024, the regulations will apply to all newly manufactured vehicles, regardless of whether they are new or existing models.<ref name=":1" /> | ||
If SFD(2) is enabled, any unauthorized attempt to access one of the car’s engine control units will result in an timeout error message.<ref name=":1" /> | If SFD(2) is enabled, any unauthorized attempt to access one of the car’s engine control units will result in an timeout error message.<ref name=":1" /> | ||
==Consumer impact summary== | ==Consumer impact summary== | ||
===User freedom=== | |||
*'''Restricted access:''' Only authorized users can access or modify key vehicle systems; independent mechanics and owners will be locked out from any kind of repair which requires interacting with the cars ECU. | |||
*'''Dealer dependence:''' Owners are forced to rely on Volkswagen dealerships (or VW authorized repair centers) for repairs and updates, leading to higher costs and less flexibility. | |||
*'''Aftermarket barriers:''' DIY and independent repairs or upgrades are blocked, even for simple tasks. | |||
*'''Privacy concerns:''' All access is logged, raising data privacy issues. | |||
*'''Ownership issues:''' SFD limits what owners can do with their cars, challenging the [[right to repair]]. | |||
===Business model=== | |||
SFD(2) protection can be bypassed by purchasing an unlock token which only can be used in the dealer specific software. A single token is available for $50 USD. Each activation token is uniquely assigned to a specific control unit and is valid for a single use only.<ref name=":2">{{Cite web |author=VAGupdate |date=31 May 2025 |title=SFD Token |url=https://vagupdate.com/sfd-token |access-date=31 May 2025}}</ref> | |||
===Business | |||
SFD(2) protection can be bypassed by purchasing an unlock token which only can be used in the dealer specific software. A single token is available for $50 USD. Each activation token is uniquely assigned to a specific control unit and is valid for a single use only.<ref name=":2">{{Cite web | | |||
During Guided Fault Finding procedures, SFD-protected control units are automatically re-locked at the conclusion of the diagnostic session. If this does not occur, the system will automatically re-lock the control unit 90 minutes after activation.<ref name=":2" /> | During Guided Fault Finding procedures, SFD-protected control units are automatically re-locked at the conclusion of the diagnostic session. If this does not occur, the system will automatically re-lock the control unit 90 minutes after activation.<ref name=":2" /> | ||
== | ==Affected car models from Volkswagen AG== | ||
The following is a list of Volkswagen AG car models known to be affected by the restrictions.<ref>{{Cite web |last=PCI-Diagnose-Technik GmbH & Co. KG |date=31 May 2025 |title=SFD2 / UNECE - Erweiterter SFD Schutz |url=https://forum.vcdspro.de/index.php?/wiki/misc/allgemeine-informationen/sfd2-unece-erweiterter-sfd-schutz-r68/#was-ist-sfd-2 |access-date=31 May 2025 |language=de}}</ref> | |||
===Audi=== | |||
*Audi A1 (GB) from approx. production date March 2024 | *Audi A1 (GB) from approx. production date March 2024 | ||
*Audi A3 (8Y) from model year 2025 | *Audi A3 (8Y) from model year 2025 | ||
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*Audi e-tron GT (F8) from model year 2024 | *Audi e-tron GT (F8) from model year 2024 | ||
==Volkswagen== | ===Volkswagen=== | ||
*VW Arteon (3H) from model year 2024 | *VW Arteon (3H) from model year 2024 | ||
*VW Crafter (SY) from model year 2025 | *VW Crafter (SY) from model year 2025 | ||
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*VW ID Buzz (EB) from model year 2025 | *VW ID Buzz (EB) from model year 2025 | ||
==Seat / Cupra== | ===Seat / Cupra=== | ||
*Seat Arona (KJ7) from approx. production start February 2024 | *Seat Arona (KJ7) from approx. production start February 2024 | ||
*Seat Ateca (KBP, KHP) with PR-No.: NI7 | *Seat Ateca (KBP, KHP) with PR-No.: NI7 | ||
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*Seat Leon (KU) from model year 2025 | *Seat Leon (KU) from model year 2025 | ||
==Skoda== | ===Skoda=== | ||
*Skoda Enyaq (5A) with PR-No.: NI1 or NI9 | *Skoda Enyaq (5A) with PR-No.: NI1 or NI9 | ||
*Skoda Fabia (PJ) from model year 2024 | *Skoda Fabia (PJ) from model year 2024 | ||
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*Skoda Karoq (NU) from approx. production date March 2024 | *Skoda Karoq (NU) from approx. production date March 2024 | ||
*Skoda Octavia (NX) with PR-No.: GP1 | *Skoda Octavia (NX) with PR-No.: GP1 | ||
==References== | ==References== | ||
{{ | {{Reflist}} | ||
[[Category:Volkswagen]] | [[Category:Volkswagen]] | ||