P144F91 - TroubleshootingP144F91-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
P144F91	Abnormal temperature of DC fast-charging plug快充枪温度异常	1. The DC fast-charging plug terminal connection is abnormal or there is foreign matter1.快充枪端子连接异常或者存在异物

Troubleshooting steps故障诊断步骤

①General inspection一般检查

Stop charging, clear the fault code, and leave the vehicle alone for a period of time.停止充电，清除故障码，车辆静置一段时间。

Perform DC fast charging on the vehicle in a normal temperature environment, and check whether the fault code and symptoms are eliminated.车辆在正常温度环境下进行快充，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 charging socket更换充电插座

Replace the charging socket with a new one and check whether the fault code and symptoms are eliminated.更换新的充电插座，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。