Hi Yeah is about what I might expect?? I hope it is not the case for the Subaru Dealer I will ring and ask!! I have a feeling it might be ISO - 9141 - 2 for my exact year model, but I need to confirm this.
Also SG2 does not mention in the manual about what actual code number after the Protocol ID each model actually is. I am hoping in the future SG2 do a decent upgrade to the firmware on the device to allow more OBD2 Protocols specific to Makes and Models.
Ill get back to this thread soon, really is good to have other minds on the same line of thinking.
Joffa