I'm really sorry. I tried to connect to Ducato Facelift again and there was a connection. I read the multiecuscan site carefully and made a connector (adapter cabel 3). All the car systems were diagnosed well.
Thanks to the author of the program.

We have a lot of cars Fiat Ducato of the year 2015 production with 2.3 multijet engines. None of the systems of the cars is diagnosed. The program keeps giving message like "Check communication ELM 327...". The program works properly for older Ducato (250). Will the program support these c...