U480 OBDII OBD2 EOBD Auto Car Truck Engine Diagnostic Scanner DTC Trouble Fault Code Reader Tool, Check Engine Light Reset Saves time and money to know what's the matter with the engine of your car or truck. Avoids costly repairs and maintain engine performance through routine inspection. Inspects a used vehicle before buying or selling. Works with 1996 and newer cars and trucks that are compatible with OBDII specification. Reads and clears Diagnostic Trouble Codes (DTCs) and turns off Check Engine warming light.