we use a bosch flasher pro. have had good luck with about 20 flashes so far. 1 ford ficm, 2 6 speed gm tcms. 4 gm pcms. 1 toyota "vibe" pcm. lots of gm clusters. 1 ford front control module. we use our verus but any pc will work. from what i know, windows xp i... Login to read more.