Volkswagen protection of car diagnosis: Difference between revisions
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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 |last=Sekurit |first=Service |date=2025-05-31 |title=Erweiterter CYBER-SECURITY-SCHUTZ (SFD2/UNECE) bei VAG- | 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 |last=Sekurit |first=Service |date=2025-05-31 |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=2025-05-30}}</ref> | 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=2025-05-30}}</ref> | ||
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==Consumer impact summary== | ==Consumer impact summary== | ||
=== User Freedom === | ===User Freedom=== | ||
== Why is SFD(2) a problem? == | ==Why is SFD(2) a problem?== | ||
* '''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. | *'''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 for repairs and updates, leading to higher costs and less flexibility. | *'''Dealer Dependence:''' Owners are forced to rely on Volkswagen dealerships 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. | *'''Aftermarket Barriers:''' DIY and independent repairs or upgrades are blocked, even for simple tasks. | ||
* '''Privacy Concerns:''' All access is logged, raising data privacy issues. | *'''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. | *'''Ownership Issues:''' SFD limits what owners can do with their cars, challenging the right to repair. | ||
=== Business Model === | ===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 |last=VAGupdate |date=2025-05-31 |title=SFD Token |url=https://vagupdate.com/sfd-token |access-date=2025-05-31}}</ref> | |||
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" /> | ||
=== Market Control === | ===Market Control=== | ||
=== Currently affected car models from Volkswagen AG<ref>{{Cite web |last=PCI-Diagnose-Technik GmbH & Co. KG |date=2025-05-31 |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=2025-05-31}}</ref> === | ===Currently affected car models from Volkswagen AG<ref>{{Cite web |last=PCI-Diagnose-Technik GmbH & Co. KG |date=2025-05-31 |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=2025-05-31}}</ref>=== | ||
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== Audi == | ==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 | ||
* Audi A4 (8W) from model year 2024 | *Audi A4 (8W) from model year 2024 | ||
* Audi A4 Avant (F4) from model year 2024 | *Audi A4 Avant (F4) from model year 2024 | ||
* Audi A5 (F5) from model year 2024 | *Audi A5 (F5) from model year 2024 | ||
* Audi A6 (4A) from model year 2024 | *Audi A6 (4A) from model year 2024 | ||
* Audi A6 Avant (F2) from model year 2024 | *Audi A6 Avant (F2) from model year 2024 | ||
* Audi A7 (4K) from model year 2024 | *Audi A7 (4K) from model year 2024 | ||
* Audi A8 (4N) from model year 2024 | *Audi A8 (4N) from model year 2024 | ||
* Audi Q2 (GA) from approx. production date March 2024 | *Audi Q2 (GA) from approx. production date March 2024 | ||
* Audi Q3 (F3) from approx. production date March 2024 | *Audi Q3 (F3) from approx. production date March 2024 | ||
* Audi Q4 (F4) from approx. production date November 2024 | *Audi Q4 (F4) from approx. production date November 2024 | ||
* Audi Q5 (FY) from model year 2024 | *Audi Q5 (FY) from model year 2024 | ||
* Audi Q7 (4M) from approx. production start August 2023 | *Audi Q7 (4M) from approx. production start August 2023 | ||
* Audi Q8 (4M) from approx. production start August 2023 | *Audi Q8 (4M) from approx. production start August 2023 | ||
* Audi Q8 e-tron (GE) from model year 2024 | *Audi Q8 e-tron (GE) from model year 2024 | ||
* Audi e-tron GT (FW) from model year 2024 | *Audi e-tron GT (FW) from model year 2024 | ||
* 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 | ||
* VW Caddy (SB) from model year 2025 | *VW Caddy (SB) from model year 2025 | ||
* VW Golf 8 (CD), (CG) from approx. production start April 2024 | *VW Golf 8 (CD), (CG) from approx. production start April 2024 | ||
* VW Passat (B9) from model year 2024 | *VW Passat (B9) from model year 2024 | ||
* VW Polo (AE1) from approx. production start March 2024 | *VW Polo (AE1) from approx. production start March 2024 | ||
* VW T-Cross (D31) | *VW T-Cross (D31) | ||
* VW Touran (5T) from approx. production start March 2024 | *VW Touran (5T) from approx. production start March 2024 | ||
* VW T-Roc (D11, AC8) from approx. production start March 2024 | *VW T-Roc (D11, AC8) from approx. production start March 2024 | ||
* VW Taigo (CS) from approx. production start March 2024 | *VW Taigo (CS) from approx. production start March 2024 | ||
* VW Tiguan ALLSPACE (BJ2) from approx. production start February 2024 | *VW Tiguan ALLSPACE (BJ2) from approx. production start February 2024 | ||
* VW Tiguan (CT) from model year 2024 | *VW Tiguan (CT) from model year 2024 | ||
* VW Touareg RC | *VW Touareg RC | ||
* VW Touareg (CR) from model year 2024 | *VW Touareg (CR) from model year 2024 | ||
* VW T7 (ST) from model year 2025 | *VW T7 (ST) from model year 2025 | ||
* VW ID3 (E12) from model year 2025 | *VW ID3 (E12) from model year 2025 | ||
* VW ID4 (E21) from approx. production start January 2024 | *VW ID4 (E21) from approx. production start January 2024 | ||
* VW ID5 (E39) from approx. production start January 2024 | *VW ID5 (E39) from approx. production start January 2024 | ||
* VW ID.7 (ED) from model year 2024 | *VW ID.7 (ED) from model year 2024 | ||
* 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 | ||
* Seat Born (K11) from model year 2025 | *Seat Born (K11) from model year 2025 | ||
* Seat Formentor (KM7) from model year 2025 | *Seat Formentor (KM7) from model year 2025 | ||
* Seat Ibiza (KJ1) from approx. production start February 2024 | *Seat Ibiza (KJ1) from approx. production start February 2024 | ||
* Seat Leon (KL) from model year 2025 | *Seat Leon (KL) from model year 2025 | ||
* 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 | ||
* Skoda Fabia (6P) from model year 2024 | *Skoda Fabia (6P) from model year 2024 | ||
* Skoda Kamiq (NW) from model year 2024 | *Skoda Kamiq (NW) from model year 2024 | ||
* Skoda Kamiq (NW4) from approx. production start January 2024 | *Skoda Kamiq (NW4) from approx. production start January 2024 | ||
* Skoda Scala (NW1) from approx. production date January 2024 | *Skoda Scala (NW1) from approx. production date January 2024 | ||
* 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 | ||
==Incidents== | ==Incidents== | ||