B2E8100 - TroubleshootingB2E8100-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
B2E8100	RTC failureRTC故障	1. ECU internal I2C communication failure1.ECU内部I2C通讯故障

Troubleshooting steps故障诊断步骤

①Replace the smart Bluetooth module更换智能蓝牙模块

Replace with a new smart Bluetooth module and check whether the fault code and symptoms are eliminated.更换新的智能蓝牙模块，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 smart Bluetooth module, you need to use a diagnostic tool to recalibrate the smart Bluetooth module.更换智能蓝牙模块后，需用诊断仪对智能蓝牙模块重新标定。