P149063 - TroubleshootingP149063-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
P149063	Motor rapid discharge timeout fault when powering off下电时电机快速放电超时故障	1. When powering off, the motor is in rapid discharge mode and the voltage drops over time.1.下电时，电机快速放电模式，电压下降超时

Troubleshooting steps故障诊断步骤

①Power on check上电检查

1. Clear the fault code, power on the vehicle again, and check whether the fault code and symptoms are eliminated.清除故障码，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 2.去步骤2。

②Check the integrated electric drive assembly检查集成电力驱动总成

1. Power status "OFF".电源状态“OFF”。 2. Connect the diagnostic tool.连接诊断仪。 3. Power status "ON".电源状态“ON”。 4. Use a diagnostic tool to check whether the integrated electric drive assembly is normal.用诊断仪检查集成电力驱动总成是否正常。 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 Overhaul the integrated electric drive assembly.检修集成电力驱动总成。

③Replace vehicle controller更换整车控制器

1. Replace the vehicle controller with a new one and check whether the fault code and symptoms are eliminated.更换新的整车控制器，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 vehicle controller, you need to use a diagnostic tool to recalibrate the vehicle controller.更换整车控制器后，需用诊断仪对整车控制器重新标定。