... 900 Key programmer 2.Version:2.21 3.New function added: 8C and 8E chip AD900 can read out ... ,4546,48,4C ,4D(60-68). New function: 4D pincode explanation function.Function Two:Support on copying these transponder: 13,33 ... ,T5,40,41,42,44,45 and 4C.Function Three:Can write and unlock for the special transponders: ... , ID 41 for Nissan and ID 42 for VW.Function Four:Can use to program the EEPROM on the ECU. ...