车型:2012年别克昂科雷。VIN:5GAKV7ED0CJ××××××。行驶里程:152310km。故障现象:客户反映仪表气囊灯报警,来店后技师检查确认故障现象存在,如图1所示。故障诊断:连接故障诊断仪检测到B101D 3B ECU硬件性能内部自检失败,如图2所示。本着先简后难的原则,首先从外观上检查了保险丝与气囊模块的插头状况,未发现异常。根据故障分析, Model: 2012 Buick Angkre. VIN: 5GAKV7ED0CJ ××××××. Mileage: 152310km. Symptom: The customer reflects the instrument airbag alarm, check to the technician to confirm the failure phenomenon, as shown in Figure 1. Fault Diagnosis: The connection fault diagnostic tester detects the B101D 3B ECU hardware performance internal self-test failed, as shown in Figure 2. The principle of first Jane after the difficult, first of all from the appearance of the fuse and the airbag module plug checked the condition, did not find abnormalities. According to the failure analysis,