P189F09 - TroubleshootingP189F09-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
P189F09	EOP fault Level1EOP故障 Level1	1. Electronic oil pump failure1.电子油泵故障

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。

②Replace oil pump controller更换油泵控制器

Replace the oil pump controller with a new one and check whether the fault code and symptoms are eliminated.更换新的油泵控制器，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：

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After replacing the oil pump controller, you need to use a diagnostic instrument to recalibrate the oil pump controller.更换油泵控制器后，需用诊断仪对油泵控制器重新标定。