ANCEL HD8000 Main Features. Heavy Duty Truck Scanner DPF Regen OBD2 Diagnostic Tool Topology Mapping. 1 HD8000 tablet scanner . 4, The DPF soot level is higher than 80% full; Need to be regen. With the Diesel Decoder, just plug the diesel VCI scan tool into the diagnostic port and pair with the free smartphone tablet to access in-depth HD diagnostic information.