Siemens GS20 — supported tools
← ECU catalogue
Siemens GS20 transmission control unit (TCU). DFOX supports reading and writing via Boot, OBD for the applications and variants listed below.
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
OBDBoot
- Read (type unspecified)
- Write
GS20; BMW 3 Series (E46)
Read and write for the listed DFOX applications. Match the memory scope in the protocol. Updates since October 2025 require DFOX V2.
Pinout Bench
No Bench pinout has been added.
Pinout Boot
No Boot pinout has been added.
Update history
- Revision 1 · 2026-10-31