P164491 - TroubleshootingP164491-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
P164491	Low battery warning电池电量过低告警	1. Battery is over-discharged1.电池过度放电

Troubleshooting steps故障诊断步骤

①Check the remaining battery capacity of the vehicle检查车辆剩余电量

1. Check whether the remaining battery capacity of the vehicle is too low.检查车辆剩余电量是否过低。 Are the test results normal?检查结果是否正常？ Yes是 Go to step 2.去步骤2。 No否 Charge the vehicle.对车辆进行充电。

②Power on check上电检查

1. Power on the vehicle again and check whether the fault code and symptoms are eliminated.车辆重新上电，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。

③Replace the battery pack assembly更换电池组箱总成

1. Replace the battery pack assembly with a new one and check whether the fault code and symptoms are eliminated.更换新的电池组箱总成，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 battery pack assembly, you need to use a diagnostic tool to recalibrate the battery pack assembly.更换电池组箱总成后，需用诊断仪对电池组箱总成重新标定。