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Siemens SIMOS7.1 — supported tools

← ECU catalogue

Siemens SIMOS7.1 engine ECU supported by DFOX via Boot, OBD. Reading and writing for listed applications from: Audi, Seat, Skoda, Volkswagen VW. Variant, memory and operation details are specified in the support records.

Last changed: 2026-10-31 · Card revision 2

Compatibility depends on ECU HW/SW, protocol and active licence. A tool missing from this list does not imply lack of support.

Tool
Connection
Operations
Scope and notes
DFOX
Boot
  • Read (type unspecified)
  • Write

Audi; Audi A3 1.6l 8V; Seat; Seat Altea 1.6 8V; Seat Leon 1.6l 8V; Skoda; Skoda Octavia 1.6l 8v; Volkswagen VW; Volkswagen VW Bora 1.6l 8v; Volkswagen VW Touran 1.6l 8v; SIMOS 7.1; MCU C167 29F400 / 29F800

Operations confirmed in the DFOX list for the specified application and variant. Updates published since October 2025 require DFOX V2 software.

DFOX
OBD
  • Read (type unspecified)
  • Write

Audi; Audi A3 1.6l 8V; Seat; Seat Altea 1.6 8V; Seat Leon 1.6l 8V; Skoda; Skoda Octavia 1.6l 8v; Volkswagen VW; Volkswagen VW Bora 1.6l 8v; Volkswagen VW Touran 1.6l 8v; SIMOS 7.1; MCU C167 29F400 / 29F800

Operations confirmed in the DFOX list for the specified application and variant. Updates published since October 2025 require DFOX V2 software.

DFOX
OBD
  • Read (type unspecified)
  • Write

Volkswagen VW Caddy 1.6l 8v; Volkswagen VW Golf IV 1.6l 8v; Volkswagen VW Golf V 1.6l 8v; Volkswagen VW Golf VI 1.6l 8v; Volkswagen VW Jetta 1.6l 8v; Volkswagen VW Passat 1.6l 8v; SIMOS 7.1; MCU C167 29F400 / 29F800

Operations confirmed in the DFOX list for the specified application and variant. Updates published since October 2025 require DFOX V2 software.

Flex
Boot
  • Operations unspecified

SIMOS7.1; Volkswagen (VW) Jetta A5 1.6L BSF (2005–2010); protocol 50070126; BOOT; scope 1/2: SIMOS7.1; Audi A3 (I) 8L 1.6L APF (1996–2003); Audi A3 (I) 8L 1.6L AVU (1996–2003); Audi A3 (I) 8L 1.6L BFQ (1996–2003); Audi A3 (II) 8P 1.6L BGU (2003–2013); Audi A3 (II) 8P 1.6L BSE (2003–2013); Audi A3 (II) 8P 1.6L BSF (2003–2013); Seat Altea I 1.6L BGU (2004–2015); Seat Altea I 1.6L BSE (2004–2015); Seat Altea I 1.6L BSF (2004–2015); Seat Altea I 1.6L Bifuel CHGA (2004–2015); Seat Altea XL I 1.6L BSE (2006–2015); Seat Altea XL I 1.6L BSF (2006–2015); Seat Altea XL I 1.6L Bifuel CHGA (2006–2015); Seat Leon II 1.6L BSE (2005–2012); Seat Leon II 1.6L BSF (2005–2012); Skoda Octavia (II) 1Z 1.6L - (2004–2012); Volkswagen (VW) Bora 1J2 1.6L APF (1998–2005); Volkswagen (VW) Bora 1J2 1.6L AVU (1998–2005); Volkswagen (VW) Bora 1J2 1.6L BFQ (1998–2005); Volkswagen (VW) Bora Variant 1J6 1.6L APF (1998–2005); Volkswagen (VW) Bora Variant 1J6 1.6L AVU (1998–2005); Volkswagen (VW) Bora Variant 1J6 1.6L BFQ (1998–2005); Volkswagen (VW) Caddy III 1.6L BGU (2003–2015); Volkswagen (VW) Caddy III 1.6L BSE (2003–2015); Volkswagen (VW) Caddy III 1.6L BSF (2003–2015); Volkswagen (VW) Golf III 1.6L APF (1991–1999)

Confirmed compatibility for the specified protocol and applications. Requires one of these packages: FLS0.5M, FLS0.5S, FLS0.7M, FLS0.7S. Check this Flex protocol for detailed reading, writing and memory functions.

Flex
Boot
  • Operations unspecified

SIMOS7.1; Volkswagen (VW) Jetta A5 1.6L BSF (2005–2010); protocol 50070126; BOOT; scope 2/2: Volkswagen (VW) Golf IV 1.6L AVU (1997–2007); Volkswagen (VW) Golf Plus V 1.6 BSF (2003–2009); Volkswagen (VW) Golf Plus V 1.6L BSE (2003–2009); Volkswagen (VW) Golf Plus V 1.6L BSF (2003–2009); Volkswagen (VW) Golf Plus VI 1.6L Bi-Fuel LPG CHGA (2008–2012); Volkswagen (VW) Golf V 1.6L BFQ (2003–2008); Volkswagen (VW) Golf V 1.6L BGU (2003–2008); Volkswagen (VW) Golf V 1.6L BSE (2003–2008); Volkswagen (VW) Golf V 1.6L BSF (2003–2008); Volkswagen (VW) Golf VI 1.6L BSF (2006–2014); Volkswagen (VW) Golf VI 1.6L Bi-Fuel LPG CHGA (2006–2014); Volkswagen (VW) Golf Variant IV 1.6L APF (1997–2007); Volkswagen (VW) Golf Variant V 1.6L AVU (2003–2009); Volkswagen (VW) Golf Variant V 1.6L BFQ (2003–2009); Volkswagen (VW) Golf Variant V 1.6L BSE (2003–2009); Volkswagen (VW) Golf Variant V 1.6L BSF (2003–2009); Volkswagen (VW) Golf Variant VI 1.6L 8v BSE (2008–2012); Volkswagen (VW) Golf Variant VI 1.6L BSF (2008–2012); Volkswagen (VW) Jetta A4 1.6L BFQ (1998–2005); Volkswagen (VW) Jetta A5 1.6L BSE (2005–2010); Volkswagen (VW) Jetta A5 1.6L BSF (2005–2010); protocol 50070126; BOOT

Confirmed compatibility for the specified protocol and applications. Requires one of these packages: FLS0.5M, FLS0.5S, FLS0.7M, FLS0.7S. Check this Flex protocol for detailed reading, writing and memory functions.

Flex
Boot
  • Operations unspecified

SIMOS7.1; Volkswagen (VW) Passat B6 1.6L BSE (2005–2010); Volkswagen (VW) Passat B6 1.6L BSF (2005–2010); Volkswagen (VW) Passat Variant B6 1.6L BSE (2005–2010); Volkswagen (VW) Passat Variant B6 1.6L BSF (2005–2010); Volkswagen (VW) Polo Classic III Typ 6N 1.6L 8v APF (1994–2003); Volkswagen (VW) Polo Variant III Typ 6N 1.6L 8v APF (1997–2003); Volkswagen (VW) Touran 1T1 1.6L BGU (2003–2006); Volkswagen (VW) Touran 1T1 1.6L BSE (2003–2006); Volkswagen (VW) Touran 1T1 1.6L BSF (2003–2006); Volkswagen (VW) Touran 1T2 1.6L BSE (2006–2011); Volkswagen (VW) Touran 1T2 1.6L BSF (2006–2011); protocol 50070126; BOOT

Confirmed compatibility for the specified protocol and applications. Requires one of these packages: FLS0.5M, FLS0.5S, FLS0.7M, FLS0.7S. Check this Flex protocol for detailed reading, writing and memory functions.

Flex
Boot
  • Cloning

VAG; SIMOS7.1; 1 TO 1

1:1 cloning within the scope stated in the manufacturer list.

PCMflash
OBD
  • Read (type unspecified)
  • Write
  • Checksum

Module 17; VAG K-Line; 1.6L BSA/BSE/BSF Calibration K-Line (Simos 7.1/512KB)

Requires PCMflash module 17 licence and a compatible J2534 interface.

Pinout Bench

No Bench pinout has been added.

Pinout Boot

No Boot pinout has been added.

Update history
  • Revision 2 · 2026-10-31
  • Revision 1 · 2026-10-31