参考含义
这个码是什么意思？
报码模块未收到发动机或动力总成控制器的预期信息。记录哪些模块报 U0100、哪些仍能通信。在判断控制器损坏前，检查电压、电源、搭铁、接头与网络线路。报码模块不一定就是损坏的模块。
来源与解读范围 [1]
故障码描述检测到的异常，不直接指定必须更换的零件。
限定车辆范围
车型关联可作为查阅线索；具体发动机、生产范围和软件条件请核对厂商资料。
更换零件之前
记录报码及冻结帧，检查蓄电池状态、相关报码和可见的线束或软管损伤。按照该车诊断流程和测试结果决定维修，避免仅凭故障码换件。
扫描记录表 →厂商原文中的含义
原文含义可能随车型和后缀变化。此处按来源展示，不代表通用诊断结论。
U0100Lost Communication With ECM/PCM
U0100Lost Communication With ECM/PCM
U0100-00Lost Communication With ECM/PCM
厂商技术资料
128以下为英文原文
MAZDA
DESCRIPTION Some CX-70 and CX-90 PHEV vehicles may fail to start (enter READY mode) in cold weather, but the vehicle can often be started successfully on the next attempt. This may occur when leakage current between connector terminals causes the MAIN Relay to be falsely detected as ON. As a result, the Battery ECU may incorrect…
HYUNDAI
Certain Palisade Hybrid (LX3 HEV) vehicles may illuminate the Malfunction Indicator Lamp (MIL) and display a false “Check Hybrid System” warning message after use of Bluelink Remote Start following extended parking periods. Related DTCs associated with the MIL include U116087, U016487, U100787, U012987, U010087, U100387, U100287…
HYUNDAI
Certain Palisade Hybrid (LX3 HEV) vehicles may illuminate the Malfunction Indicator Lamp (MIL) and display a false “Check Hybrid System” warning message after use of Bluelink Remote Start following extended parking periods. Related DTCs associated with the MIL include U116087, U016487, U100787, U012987, U010087, U100387, U100287…
JEEP
Trailer Tow Module (TTM) Setting Active DTC U0100-00 – Lost Communication With ECM/PCM
核对适用车辆
564车型关联可作为查阅线索；具体发动机、生产范围和软件条件请核对厂商资料。
| 品牌 | 车型 | 年款 |
|---|---|---|
| Audi | A4 ↗ | 2019 |
| Audi | A4 ↗ | 2010 |
| Audi | A4 ↗ | 2009 |
| Audi | A4 ALLROAD ↗ | 2014 |
| Audi | A4 ALLROAD ↗ | 2013 |
| Audi | A4 AVANT ↗ | 2012 |
| Audi | A4 AVANT ↗ | 2011 |
| Audi | A5 ↗ | 2019 |
来源与解读范围
以下解释由本站依据所列原厂资料整理。页码从 PDF 文件第一页计数。原文为英文，译文供查阅参考；引用某个版本不代表它就是厂商当前最新指令。
- Audi TT Quick Reference Specification Book · October 2013 ↗
Audi of America · PDF 页码 143 · 2013-10
- 01-19-05TT / 2054867/7 · No start or ECM communication, U0100 ↗
Volkswagen Group of America · PDF 页码 1, 2 · 2024-07-11
来源核对日期 · 2026-10-27
还能继续驾驶吗？
仅靠故障码无法判断是否适合继续行驶。故障灯闪烁、严重抖动、过热、机油压力报警或制动转向异常都需及时处理。影响车辆控制或发动机安全时，应在安全地点停车并寻求帮助。以车辆手册为准。