A Code Reader can be used to read and erase diagnostic trouble codes as well as other additional features depending on the tool. These tools work on all vehicles 1996 and newer. You cannot get the OBD II codes without using a code reader or a scan tool (scanner). Recently, we are available with some new advanced code readers, such as: U912 code scanner, U581code Read, U380 code reader, U381code reader, ETC.. In addition,Maxican JP701 code scanner +MaxiScan EU702 Code Sanner + MaxiScan FR704 Code Scanner + MaxiScan US703 Code Scanner all support update.