Siemens SIM28 — supported tools

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Siemens SIM28 engine ECU supported by DFOX via OBD. Reading and writing for listed applications from: Ford. 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

OBD

Read (type unspecified)
Write

Ford Focus 1.6l Duratec; SIM28; MCU C167 29F400BB

Operations confirmed in the DFOX list for the specified application and variant. Memory designation in the list: EEPROM 93C86. Updates published since October 2025 require DFOX V2 software.

PCMflash

OBD

Read (type unspecified)
Write
Checksum

Module 20; Ford Focus / Fiesta / Fusion; Ford Focus 2: 1.4L, 1.6L Duratec (SIM28/29)

Requires PCMflash module 20 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