Does Xhorse Multi Prog Read PSA SID803 via OBD?

Question:

​I have a Citroën C4 2.0 HDI with Siemens SID803 ECU (not SID803A), and in the Xhorse Multi-PROG software, this specific ECU is only listed under OBD mode for reading MAPS.
​Since this is only a partial read, is it safe to flash an EGR, Stage1, file via OBD with this tool?

Solution:

OBD mode you can just read and write maps. Not full data.

To read full micro eeprom and flash you need to open it and read it in BDM mode.

One of our cutsomers has already cloned one like this just by opening it in bdm.

In sid803 need read in bdm and modify egr in micro not in flash.

For OBD you need ioTerminal.