Transform your Smart Device into a powerful class 4-8 code scanner with DPF Reset and Regen capabilities! It also works on OBDII engine diagnostics for passenger cars and light trucks! Say Never Again to getting stuck in limp mode – or worse – stranded on the side of the road, just because you need a DPF reset or regen! With the HD Mobile II, you can diagnose trouble codes, clear them, look at live data and perform DPF resets and regens! DPF Resets & Regens for Detroit, Cummins, Fuso, Mack, Volvo, Isuzu, International, Paccar and HINO.