Obd2 fault code scanner which is also called as trouble code reader on cartooldeal.com works on all vehicles from 1996. Just as its name implies, obd2 trouble code reader can read diagnostic trouble codes which are generated by the vehicle's system. These trouble codes are showed on the dashboard of the vehicle or you can identified it through audio prompts. You can also erase the fault code by the car code scanner and track live data in vehicles.