Bluetooth OBD2 Scanner for Cars - Diagnostic Code Checker1、The vehicle coverage is wide, applicable to all OBD2 vehicles (since 1996 in the United States) and EOBD vehicles (gasoline vehicles in 2001, diesel vehicles in 2003/2004 in Europe). 2、Multi‑function, read diagnostic trouble codes, including general trouble codes and manufacturer‑specific trouble codes, and display their meanings. (More than 3000 common code definitions in the database). Clear the fault code and turn off the MIL ("Check Engine" indicator light). Engine speed. Calculate the load value. Cooling temperature. 3、Support checking fuel system status, vehicle speed, short-term fuel adjustment, long-term fuel adjustment, intake manifold pressure, timing advancement, intake air temperature, air flow, absolute throttle position, oxygen sensor voltage/related short-term fuel adjustment, fuel system Status, fuel pressure and many other functions. 4、Comes with Real V2.1 version and supports ATPPS. Support 2.1 commands, identifier test, special functions, automatic sleep mode and ultra‑low power consumption. 5、Various wireless connection model to connect your smart phone or pad. It reads the real-time car engine data, such as engine speed, ignition time, fuel trim, water temperature, fuel consumption It support a variety of OBD II apps.