CID 0269 FMI 04 Sensor Supply too low
产生此代码的情况:
- 电子控制模块 (ECM) 检测到电源电压低于正常值。
系统响应:
ECM 将会记录该诊断代码。 ECM 视所有模拟传感器为无效数据，并将所有模拟传感器设为各自的缺省值。
- 发动机可能出现低功率。
测试步骤 1. 进行以下的诊断步骤: 5 V 发动机压力传感器电源电路 - 测试
结果:
- 正常 - 停止
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