Diesel Heavy Truck OBD2 Scanner DPF Regen Oil Reset Full System Diagnostic Tool. ANCEL HD3200 Diesel Scan Tool +DPF Regen + Oil Reset+ OEM Diagnostics for ISUZU,HINO,FUSO,UD,UD VOLVO,Hyundai,KIA. Whether it is your pick-up truck, light-truck or heavy-duty diesel engine, DPF cleaning is crucial.