Xtool U581 OBDII CAN-Bus Live Data Diagnostic Tool Scanner for Car and Light Truck Works on most 1996 and newer cars & light trucks that are OBD II compliant (including the VPW, PWM, ISO, KWP 2000 and CAN protocols) This auto scanner help you find out the trouble issue of your vehicles. Reads and clears generic and manufacturer specific Diagnostic Trouble Codes (DTCs) Power function: Test car I / M (vehicle maintenance) reads the status Support system: Misfire, Fuel System, Comprehensive components (ccm), EGR System, Oxygen sensor Catalyst, Evaporative, O2 Sensor heater. Secondary air, Heated Catalyst, A/C System etc.. Save time and money by reading and clearing any trouble codes yourself, and determine the problem before consulting a mechanic via this car obd2 scanner