Hello, i suppose the problem was in the clabe, i ordered a new one and we it will arrive i will update you if it works or not

I haven't any ideas about how to do the work, can you please link a site where i could buy the right cable please?:)

thank for your kind answer:
1) i have a registered version
2) i need to reset service message but it gives me the failed connection.
Have i to buy the adapter cable even for the service? because i read that elm 327 was enough but maybe i'm wrong

no because before buy other cables i will like to know if it's a problem of software or something else, in theory in supported vehicles, my car doesn't need any special cables: Bosch EDC16C39 CF4/EOBD Diesel Injection (1.9, 2.4) |INFO|DTC|DTC EX|PRM|ACT|ADJ| KLELMOBDKey AISIN AF40-6 Automatic Gearbo...

Hello to everybody, I have an alfa 159 1.9 JTDm 8v with multiscan regular license, but when i try to work on it, it give me access only to the engine ecu! for all other ecu it says: "ELM 327-> ECU connection failed!" how can i fix it? if i check all the cu, it finds me only the engine. Tha...