DTC look-up libraryya-101 obd2 scanner Built-in Code Definition.Enter the fault codes you got and enter them to get the code definitions and locate the bad parts of your vehicle.No need to search online for what's the codes meaning. you can easier read what's the meaning of the fault codes that was detected. | Lifetime free updatenot like other basic scan tool can't do update, YA-101 obd2 scanner provides life-time FREE software update via USB(Only 2 steps to update!). Supports Screenshot function,click the up and the down button at the same time 3s to get screenshot. | Add Battery Test FunctionReal-time Monitor the Vehicle’s Battery Voltage, Better Know the Battery Status. | Plug in and Playthis obd2 scanner support Plug and Play function.NO NEED BATTERY. plug into the OBD II port on your car and turn ignition on then read the car's vehicle information with the reader. User-friendly design,1.8 inch color screen display,one-hand operation. |