B37319C - TroubleshootingB37319C-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
B37319C	There is a fault with the in-car monitoring radar and the sensor is blocked车内监控雷达存在故障，传感器被遮挡	1. The radar is blocked1.雷达被遮挡

Troubleshooting steps故障诊断步骤

①Power on check上电检查

1. 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。

②Clean in-car surveillance radar清洁车内监控雷达

1. Clean the monitoring radar in the car, use a diagnostic tool to read and clear the fault codes, and check whether the fault codes and symptoms are eliminated.清洁车内监控雷达，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 3.去步骤3。

③Replacement of in-car surveillance radar更换车内监控雷达

1. Replace with a new in-car monitoring radar and check whether the fault code and symptoms are eliminated.更换新的车内监控雷达，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。   Caution:注意： ♦  After replacing the in-vehicle monitoring radar, you need to use a diagnostic tool to recalibrate the in-vehicle monitoring radar.更换车内监控雷达后，需用诊断仪对车内监控雷达重新标定。