Find out why the check engine light is on by yourself! Read and clear diagnostic trouble codes (both generic and manufacturer specific), view freeze frame data, reset the Check Engine Light and view real-time sensor readings using your phone or tablet and an OBD2 App. | Access a whole new world of information about your vehicle directly on your phone, tablet or PC. View car performance, sensor data (Engine coolant & oil temperature, O2 Readings, Mass air flow, Speed, Fuel Trim, etc.), prepare smog test, monitor fuel economy, create your own dashboard, log your trips, and more to discover. | Works with cars, SUVs, light trucks and mini vans since year 1996 in the United States (all brands, including hybrid, light-duty diesel trucks, and some electric vehicles). Vehicles in other countries or regions that are OBD II compliant are also supported. Supports the five OBD-II protocols: CAN, KWP2000, ISO9141-2, J1850 VPW and J1850 PWM. | A third party App is required (some may require separate purchase). VARIOUS APPS AVAILABLE! Supports OBD Fusion, Car Scanner ELM OBD2, DashCommand, Carista etc for iOS and Torque Pro for Android. | Supports iOS & Android devices. It uses WiFi and does NOT have Bluetooth. Very useful and inexpensive tool for car owners to check their cars at home or on the go.

Bluetooth OBD2 adapter with support for extensive third-party apps (such as OBD Fusion, Torque Pro, Car Scanner ELM OBD2) can turn your iPhone, iPad or Android phone/tablet into a sophisticated car scan tool. | Read diagnostic trouble codes and freeze frame data, reset check engine light, prepare smog test, view real-time sensor readings, create customized dashboard and estimate fuel economy. | Works with OBD2 / EOBD compliant cars and light trucks (year 1996 or newer in the US, including pickup trucks, hybrid and many electric vehicles; may require special apps). | Compatible with iOS (no Bluetooth pairing needed; connect in the app) & Android devices (head units not recommended). Easy to plug in and unplug. No complex settings or tricky connections plus much lower power consumption compared to WiFi, and it does not block internet access for other apps. | A third-party App is required (check recommendations in the description below, some may require separate purchase). Comes with one-year replacement warranty.