ECUHELP KT200 ECU Programmer Feedback:
MJD 9DF FIAT DUCATO 2022 HW002
OBD READ OK almost 2 hours 108mins
Write ✅ about 20min with special procedures (KT200 everything write to you)
Checksum by tool

Image 1-2. ECUHELP KT200 OBD READ/Write MJD 9DF 100% ok.
KT200 OBD Read Write MJD 9DF FIAT DUCATO 2022 HW002-01

KT200 OBD Read Write MJD 9DF FIAT DUCATO 2022 HW002-02

Alternatively, Hw002 always jtag for Backup. Ecu opening 20 min 20 read 10 write close with KT200:
Kit to use:
– Multifunction cable
– Rainbow flat cable

Connect multifunction cable as follows:
KT200 OBD Read Write MJD 9DF FIAT DUCATO 2022 HW002-03

Solder the rainbow flat cable on pcb as follows:
KT200 OBD Read Write MJD 9DF FIAT DUCATO 2022 HW002-04

KT200 reads and writes using the following driver:
KT200 OBD Read Write MJD 9DF FIAT DUCATO 2022 HW002-05