P22E016 - TroubleshootingP22E016-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
P22E016	Discharge AC software undervoltage protection放电AC软件欠压保护	1. Overloaded1.负载过重

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。

②Check the remaining power in the battery pack检查电池组箱剩余电量

1. Check whether the remaining power in the battery pack is too low.检查电池组箱剩余电量是否过低。 Are the test results normal?检查结果是否正常？ Yes是 Go to step 3.去步骤3。 No否 Charge the battery pack.对电池组箱进行充电。

③Check electrical equipment检查用电设备

1. Replace the electrical equipment and discharge the vehicle again.更换用电设备，重新对车辆放电。 2. 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 4.去步骤4。

④Replacing the integrated electric drive assembly更换集成电力驱动总成

1. 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。