Quote Originally Posted by ClayMac2000SS View Post
Can the OS be updated by importing a new Bin File for the 12202088 OS, changing the VIN, and then write the OS and calibration to my current PCM?
Yes, you update the OS with a bin file similar to what you have (example 2001 ls1 with 4l60e), first flash the stock .bin with the OS you want, then start making the changes you want