DTCs are codes that are stored by the cars in-board computer system in response to the vehicle issue. It resets the check engine lights, reads and clears all generic, DTC and some manufacturer specific displays. This scanner has CAN Protocol Support which gives wider vehicle coverage. This scanner will help prevent costly future engine trouble and identify problems when buying or selling used vehicle. This versatile equipment allows you to erase codes and reset Malfunction Indicator Lamp (MIL).Autop D900 OBD Car Scanner 2017 Version allows you to view live and freeze frame. It features a read hard memory and historic codes and it also has the ability to show definitions. This scanner works with all 1996 and newer cars and light trucks that are OBDII compliant. This diagnostic kit is essential tool for all car owners, it will save you a lot of time and energy when your vehicle breaks down. This Latest Updated D900 OBD2 Car Scanner 2017 Version will give you the freedom to troubleshoot any problem with your Latest brand of cars, truck or vehicle by reading the diagnostic trouble codes that appears when the check engine light is showing.