Your Snap-on representative offers a software upgrade to convert a MICROSCAN Standard to a MICROSCAN PRO.
The difference between MICROSCAN Standard and PRO:
The MICROSCAN Standard has all ten modes of OBD-II. The MICROSCAN PRO has all ten modes of OBD-II plus enhanced engine codes, ABS codes for many GM, Ford and Chrysler vehicles and has OBD-I software for GM, Ford and Chrysler.