雪佛兰乐风仪表ABS警告灯/驻车警告灯常亮

故障现象一辆2005MY上海通用雪佛兰乐风,行驶里程72352km,客户进维修站检查组合仪表ABS警告灯/驻车警告灯常亮.故障诊断与排除首先使用SGM专用检测仪器Tech-2连接车辆DLC,进入车身ABS系统进行诊断,在ABS电脑模块EBCM中存储有故障码:DTC C0035左前轮轮速传感器开路或短路和DTC C0037左前轮轮速传感器输入信号为0.路试车辆,观察ABS左前轮数据为0,初步怀疑是左前轮轮速传感器故障,经过更换左前轮轮速传感器再次试车,ABS故障灯不再启亮,左前轮轮速传感器数据正常,组合仪表驻车警告灯还是常亮.