B2E2296 - TroubleshootingB2E2296-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
B2E2296	RF self-test failure射频自检故障	1.RF hardware failure1.射频硬件故障

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。

②Replacement of ETC on-board unit更换ETC车载单元

Replace with a new ETC on-board unit and check whether the fault code and symptoms are eliminated.更换新的ETC车载单元，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 ETC vehicle-mounted unit, the ETC vehicle-mounted unit needs to be recalibrated with a diagnostic instrument.更换ETC车载单元后，需用诊断仪对ETC车载单元重新标定。