B3C0102 - TroubleshootingB3C0102-故障诊断

Fault code description故障码说明

DTC故障码(DTC)	Fault code description故障码描述	Possible cause of failure可能故障原因
B3C0102	PM2.5 sensor laser module communication failurePM2.5传感器激光模块通讯故障	1. PM2.5 sensor body failure1.PM2.5传感器本体故障

Troubleshooting steps故障诊断步骤

①Power on check上电检查

Repower the vehicle, use the diagnostic tool to read and clear the fault codes, and check whether the fault codes and symptoms are eliminated.车辆重新上电，使用诊断仪读取并清除故障码，检查故障码及症状是否排除。

Are the test results normal?检查结果是否正常？

Yes是

Fault resolved.故障排除。

No否

Go to step 2.去步骤2。

②Replace PM2.5 sensor更换PM2.5传感器

Replace the PM2.5 sensor with a new one and check whether the fault code and symptoms are eliminated.更换新的PM2.5传感器，检查故障码及症状是否排除。

Are the test results normal?检查结果是否正常？

Yes是

Fault resolved.故障排除。

No否

Look for causes from other symptoms.从其他症状查找原因。