TagFlash ECU Programmer is tested and able to read and write Ford transit sid211 on table perfect.
sid211 reading and writing result:
Reading 100 OK:

Writing 100% OK:

TagFlash is connected to Ford transit sid211 on table:

TagFlash Pinout of tricore Ford SID211 1791 Intflash:
Look at the following images:

Alright, this is the TagFlash review of Ford SID211 1791 and the wiring diagram, hope it helps.