B00904A - TroubleshootingB00904A-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
B00904A	Driver's front impact acceleration sensor initialization error驾驶员前碰加速度传感器初始化错误	1. Driver's front impact acceleration sensor initialization error1.驾驶员前碰加速度传感器初始化错误

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 left front impact sensor更换左前碰撞传感器

Replace the left front collision sensor with a new one and check whether the fault code and symptoms are eliminated.更换新的左前碰撞传感器，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。