0254-12 ECM Fault (53)
产生此代码的情况:
此情况表明有内部 ECM 故障存在。
系统响应:
电子系统响应 车速表、转速表和/或 SAE J1922 数据链路可能停止工作。
更换 ECM。
测试步骤 1. 进行以下的诊断步骤: ECM 存储器 - 测试
结果:
- 正常 - 停止
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