Problem:
I failed to read Fiat Ducato Marelli MJD 8F IAW ecu with the foxflash programmer on bench. It reads ID but failed to read data (error boot1). Any advice?
Solution:
Foxflash will read and write Marelli MJD8F full system. It will read the whole backup.
DON’T CONNECT BENCH BOX WHEN READ THIS ECU.

You can also read and write with foxflash in jtag mode.
MARELLI MJD 8F, 8S, 8DS – FIAT, Suzuki [Diesel]
Connect the multifunction cable as follows:
Solder the rainbow flat cable on the pcb:
To read and write use the following driver:
Related reading:
http://www.pcmtuner.org/kt200-failed-to-read-fiat-marelli-6f3-solution/