众所周知,在汽车发动机或变速器等车载电控系统发生故障后,可以通过人工调取或用解码器调取故障代码(DTC),利用相应的故障信息可以快速地诊断与排除故障。但是,在现代汽车的维修中,许多维修人员却并没有为此而变得轻松,有时调不出故障代码,有时调出了与实际故障不相符合的故障代码,甚至出现 It is well-known that after a vehicle electronic control system such as a car engine or a transmission fails, a fault code (DTC) can be retrieved manually or retrieved by a decoder, and the corresponding fault information can be used to quickly diagnose and eliminate the fault. However, in the maintenance of Hyundai Motor, many maintenance personnel did not become easy for this reason, sometimes fail to adjust the fault code, and sometimes call out the actual fault does not match the fault code, or even appear