• Mobile Scan provides do-it-yourselfers with access to their vehicle's diagnostics to determine the cause of check engine, ABS, and airbag lights - all with a simple plug-in tool and smartphone app Simply plug the adapter into your vehicle and, using your Android or Apple smartphone, read the definitions for the Diagnostic Trouble Codes (DTCs) that caused the check engine light to illuminate Reads and displays: live real-time engine data (RPM, coolant temperature, sensor readings, etc), Inspection Maintanance (I/M) readiness for emissions, pending DTCs, and more Includes access to the CodeConnect database to find the most likely cause of the check engine, ABS & Airbag lights and get manufacturer specific powertrain DTC fixes