L got my ms908cv last month. It works very well. I like it so much. The MS908CV supports commercial vehicle programming and relearn functions. The commercial vehicle models is from heavy duty trucks to medium and Light duty diesels, and from buses to agricultural & industrial Machinery. And the vehicle coverage can cover Volvo, Toyota, Foton Daimer, Isuzu, Bendix, Allison, Mack and much more.