Ok, I'll try
Thanks again
Andrea

Hi Alfaeddy,
thanks for the answer ,
I have removed the resistor R04 but the problem is the same..
do you have another solution?

thanks !

Andrea

Hi, samebody can help me ? I bought the elm 327 bluetooth and it's work fine with motor module but when I try to connect to the body module the error connection appear. I use fiat multiecuscan 1.7

THANKS A LOT !!!!!!!!
Andrea