中文
含义
控制模块之间通信故障，部件之间数据交换中断。
常见原因
- 通信线束接触不良
- 控制模块电源异常
- 总线终端电阻故障
- 模块受潮或进水
- 电磁干扰
自助排查
- 断电后重新插拔通信线束插头
- 检查各控制模块供电电压
- 检查通信线有无破损
- 如某模块不供电需重点排查该模块
English
Meaning
Communication fault between control modules, data exchange interrupted.
Common Causes
- Communication wiring harness poor contact
- Control module power supply abnormal
- Bus termination resistor fault
- Module moisture ingress
- Electromagnetic interference
Self-Check Steps
- Disconnect power and reseat communication connectors
- Check supply voltage of each control module
- Inspect communication wires for damage
- Focus on modules that have no power