i bought a chinese knock off and i was able to retrieve my ske# but it seems kind of worthless for anything else, it wont work to program my keys and if you dont pick the correct ECU it will do weird things to the dashboard, and the interface will not work with vcds light at least it was only 50$ also the cable was not "plug and play" it took forever for me to get it to work with windows vista, i had to manually install the cable into the usb port. but that being said, i was able to use it to get the ske