P22E019 - TroubleshootingP22E019-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
P22E019	Discharge AC software overcurrent protection放电AC软件过流保护	1. High voltage load short circuit1.高压负载短路
		2. OBC internal short circuit2.OBC内部短路
		3. Abnormal AC current sensor3.交流电流传感器异常

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。

②Check electrical equipment检查用电设备

Replace the electrical equipment and discharge the vehicle again.更换用电设备，重新对车辆放电。

Stop discharging, restart the vehicle, and read the fault code again.停止放电，重新启动车辆，再次读取故障码。

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。

③Replacing the integrated electric drive assembly更换集成电力驱动总成

Replace the integrated electric drive assembly with a new one and check whether the fault code and symptoms are eliminated.更换新的集成电力驱动总成，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 integrated electric drive assembly, you need to use a diagnostic tool to recalibrate the integrated electric drive assembly.更换集成电力驱动总成后，需用诊断仪对集成电力驱动总成重新标定。