Advanced FeaturesThe Veepeak OBDCheck V311A can retrieve vehicle information on which support Mode $09 of the OBD2. It can retrieve information such as VIN (vehicle identification number, CID (calibration identity), and CVN (calibration verification number). As such, there aren’t any other advanced features in this scanner, particularly to a specific mode or manufacturer. The functionality is pretty much the same for all compatible ones. In addition to checking for engine fault codes, it also indicates I/M Readiness, which helps you pass the SMOG test. It checks the emissions systems to help you ensure your vehicle isn’t exceeding the emission caps placed in your state or municipality. Software & UsabilityThis OBDII device doesn’t require software or an external battery. It has its own embedded system that runs the device and connects with your