... .IMA12.VTM-413.TPMS FLY100 VS GNA600FLY100 does not need password to enter immobilizer system, while GNA600 need FLY100 supports odometer ... controller, GNA600 cannot do thisFLY100 can make smart key without password, GNA600 cannot make smart key.FLY100 VS HDSFLY100 uses USB2 ... COM portHDS cannot do Acura, FLY100 can do itHDS need password when program keys, FLY100 doesn’t need it HDS cannot ...