on edc15 read ? the real, the virtual reading the is only on a few marelli, specifically on the ecu 1.4 tj and 1.3 mj (even if on some of these, such as those mounted on the opel and lancia, reading ? real)... the only way to know if the reading ? real or virtual ? to see the car list of the obd galletto.
With regard to the virtual reading, the cock analyzes both the number of hw and sw and, in the case of an upgrade, if in its archive and can't find the exact file, it returns a message in which he invites us to proceed to the actual reading via bdm, then not c'? chance? error