For truck owners, it's necessary to perform DPF regeneration regularly. Why Choose Heavy Duty Truck Scanner Ancel HD431 ?. DPF Reset & Forced Regeneration fit for Cummins & Ditroit Engines . Multi- System Scan & Diagnostic -- Support more than 30 system diagnostic analysis (engine, ABS, air conditioner, Gearbox, battery, oil lamp reset, airbag, safety lock alarm, tire pressure, DPF, DTO, ECU and other systems) ,Complete function capability including DTC, DTC freeze Info, Live data, Operation test and Special function.