Works ok on my car 96 LT4 Corvette, You have to manually step through each test though. And you have to guess which standard your car is by manually trying each selection which is annoyingly slow to do. When you finally figure it out, then it goes faster. Big thanks to @ grandspt for his experience sharing. I purchased a 1996 PCM that was used for short money, my goal was to keep it as a spare for my ’96 LT4 Vette since parts are getting harder to come by. I removed my PCM and installed this used PCM. I took out my GM Tech 2 Clone, opened my Windows XP Netbook that I had previously installed the TIS 2000 software (this software disk came with the Tech 2 Clone). I opened the TIS 2000 application and went to the “Service Program Application” and followed the steps to “Reprogram ECU”. Now this used PCM obviously had a different VIN. So during the program when it prompted me to see if the VIN was correct I deleted the old VIN and entered in my cars VIN. Then I uploaded