CID 0247 FMI 09 J1939 Data Link communications
产生此代码的情况:
发动机控制模块（ECM）检测到 J1939 数据链路丧失通讯。
确保控制系统内的所有闪存文件都是现时的。
系统响应:
ECM 会记录该诊断代码。
- 发动机可能工作异常和/或设备可能不具备发动机转速控制。
测试步骤 1. 进行以下的诊断步骤: 控制区域网络（CAN）数据链路电路 - 测试
结果:
- 正常 - 停止
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