It's more than $300 but I have Auto enginuity for home use. I like it pretty good, it can program some keys, do abs bleeds, and control stuff like fans and fuel pumps, plus injector disabiling for diagnosis. I originally bought the North American bundle in 2007 to diagnose a bad injector on my 6.0 powerstroke diesel ( it has a limited cylinder balance test for Fords, not quite as good as the Ford tools but decent). I upgraded in 2010 and last month. $150 for the update, good for one year so I'll update again just before it expires.
You can buy individual car makes to fit what you own, or regional such as North America (Ford, gm, Chrysler), euro, or Asian in bundles. One region, or up to five makes I believe.
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