B2E2A96 - TroubleshootingB2E2A96-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
B2E2A96	ETC anti-tamper failureETC防拆失效	1.BCM anti-tamper authentication response data error1.BCM防拆认证应答数据错误

Troubleshooting steps故障诊断步骤

①Power on check上电检查

1. 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。

②Check BCM Tamper Certification Data检查BCM防拆认证数据

1. Use a diagnostic tool to check whether the BCM tamper authentication response data is correct.使用诊断仪检查BCM防拆认证应答数据是否正确。 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 Rewrite the correct BCM tamper authentication response data.重新写入正确的BCM防拆认证应答数据。

③Reactivate ETC重新激活ETC

1. The operator APP/mini program reactivates ETC.运营商APP/小程序重新激活ETC。 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 4.去步骤4。

④Replacement of ETC on-board unit更换ETC车载单元

1. 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： ♦  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。