★【PURE USER EXPERIENCE】 Enhanced Bluetooth 5.2 version perfectly compatible with iPhone, Android & Windows systems, no complicated steps, no need annoying user registration, no extra subscription fees, obd2 scanner diagnostic tool and professional car full system scan all free, connect and diagnosis, the most powerful and easiest use app so far. ★【PROFESSIONAL CAR FULL SYSTEM DIAGNOSIS】KDIAG enhanced vehicle diagnostics not only gives access to information normally available only to mechanics on their OBD2 scan tools, but also can read and clear ABS, Airbag, SRS, TPMS codes, and many more. NOTE: full system check covers most US car brands and our engineers are still developing more vehicle brands which will be added with the app upgrade from time to time. ★【ENHANCED 11 OBDII FUNCTION MODES】read &clear codes, live data stream in text including volts, rpm, temperature, speed values, etc. One-click read I/M readiness to pass smog check, perform EVAP Test, O2 test, vehicle information, etc. Helps you to turn off the check engine light and get ready for the annual smog check, save you time and money. ★【EXCELLRNT PERFORMANCE TEST】 bluetooth obd2 scanner stay connected to your vehicle even as you drive, so you can monitor your car’s health in real-time like 100 km/h acceleration time, top speed, engine load, battery voltage test and engine coolant temperature to provide you better driving experience. ★【WIDELY VEHICLE COMPATIBILITY】 Works on most of 1996 and newer US based, European, and Asian vehicles. Diagnostic scan tool for all vehicles supports all OBD2 Protocols including the newer CAN protocol. Support 8 languages perfect diagnostic scan tool for Toyota, Honda, Chevrolet, Ford, Mercedes-Benz, Jeep, BMW, Porsche, Subaru, Nissan, Cadillac, Volkswagen, Lexus, and more. Car OBD2 Scanner KONN WEI KDIAG Full System OBD II Diagnostic Tool With Bluetooth 2.1Code Reader Oil Reset Battery Match Scanner


Full OBD2 Diagnostic Functions

This diagnostic software can test vehicle Engine systems. All models with engine meeting SAE J1850, ISO9241-2, ISO14230-4, ISO15765 Standard in OBD2 & EOBD.


* View freeze frame date

* Support graph data stream

* O2 Sensor test

* Evap system test

* On-Board monitor test

* Read & Clear DTCs

* Identify VIN information

* DTC code look up

* Turn off MIL (Malfunction Indicator Lights)

* I/M Readiness status test


How to know your car support obd2 or not?

American (USA) car:
Compatible with Standard OBD2 Cars from 1996 to Now: For Chrysler, for Ford, for GM, for Jeep

European car:
Compatible with Standard OBD2 Cars from 2003 to Now: For Alfa Romeo, for SAAB, for Acura, for Opel, for Audi, for Seat, for Bentley, for Skoda, for Daewoo, for Benz, for Daihatsu, for Land Rover, for BMW, for Vauxhall, for Volvo, for VW, for Ford, for Jaguar

France Car after 2006:
for Citroen，for Fiat，for Renault，for Peugeot
Not Support for Renault Clio 2/Megane/Dacia Logan,

Asian car
Compatible with Standard OBD2 Cars from 2008 to Now: for KIA, for Isuzu, for Honda , for Mitsubishi, for Hyundai, for Dacia, for Lexus, for Mazda, for Nissan, for Subaru, for Suzuki, for Toyota

Chinese car:
Compatible with Standard OBD2 Cars from 2010 to Now: for BYD, for Chery, for Geely, for Great Wall, for Karry.