汽车问答 p20C1故障码解释及消除方法,P20C1故障码怎么解决?2023-05-10qiche阅读(2)评论(0)赞(0)p20C1故障码解释及消除方法,P20C1故障码怎么解决? P20C1故障码,适用于所有汽车制造商意思是还原剂加热器C控制电路/开路(Reductant Heater C Control Circui