ECUHELP KT200 can read and write Fiat Bosch ME7.9.10 Full System.
Look at the following images which show the reading and writing 100% ok.

1.Full system mode:
ECUHELP KT200 wiring diagram of BOSCH ME7.9.10 – Fiat, Alfa Romeo, Lancia [Gasoline]

To connect to the control unit use:
– Multifunction cable

2.Boot mode
KT200 wiring diagram of BOSCH ME7.9.10 [ST10F275] – Fiat, Alfa Romeo, Lancia [ Gasoline ]
Kit to use:
– Multifunction cable
– 2 resistances of 100 Ω
Connect multifunction cable and the resistances as shown.

To read and write use the following driver:
→ TOOLS BOOT MODE
→ ST10Fxx
→ ST10F273 / ST10F275 / ST10F276 *K
or
→ ST10F273 / ST10F275 / ST10F276 *CAN

3.Boot mode (with BBV2)
KT200 wiring diagram of BOSCH ME7.9.10 [ST10F275] – Fiat, Alfa Romeo, Lancia [ Gasoline ]
Kit to use:
– Multifunction cable
– Bench Box v.2

This connection mode is available for tool v.2020 – since Firmware v70.
Connect the multifunction cable and the bench box as shown:

To read and write use the following driver:
→ TOOLS BOOT MODE
→ ST ST10Fxxx
→ ST10F273 / ST10F275 / ST10F276 *K
or
→ ST10F273 / ST10F275 / ST10F276 *CAN

By adhering to these detailed instructions, you can ensure efficient and accurate read/write operations with your KT200, particularly for BOSCH ME7.9.10 in both full system mode and Boot mode.