Ancel HD3400 scan tool can detect car Engine, Transmission, ABS, SRS, Throttle, ESP, TPMS, EVAP, fuel system, Emission system, and etc. ANCEL HD3400 Plus Heavy Duty Truck Scanner Diesel Scan Tool Fit for Cummins, Detroit, Caterpillar, Paccar with DPF Regen, All Systems Diagnostic Truck Scanner for Semi/HD Truck & Car OBD2 Code Reader.