{
  "type": "lookup",
  "id": "charge-faults",
  "slug": "charge-faults",
  "domain": "充电系统",
  "title": "充不进电排查速查：七步顺序 + 常见故障码",
  "h1": "充不进电怎么查",
  "question": "车充不进电怎么排查？CC 电阻正常值是多少？OBC 故障码有哪些？",
  "summary": "充电系统故障的七步排查顺序（从换桩测试到测 OBC 供电保险），以及四个常见充电故障码的含义与排查方向。每一步都给了正常值或判断依据，不是原因罗列。",
  "keywords": "充不进电,充电故障排查,CC电阻680-2200Ω,CP信号PWM,OBC通信异常,P1C000,P1C100,P1C200,P1E00,充电口针脚",
  "updated": "2026-09-26",
  "source": {
    "title": "电动汽车充电与高压配电系统解析",
    "url": "/report-charging-distribution.html"
  },
  "trigger_label": "步骤 / 故障码",
  "columns": [
    "检查项 / 含义",
    "方法 或 排查方向 与 正常值"
  ],
  "entries": [
    {
      "trigger": "① 充电桩是否正常",
      "cells": [
        "<b>方法</b>：换车或换桩测试",
        "<b>目的</b>：排除桩故障——先排除车外因素再动车"
      ]
    },
    {
      "trigger": "② 充电枪外观",
      "cells": [
        "<b>方法</b>：目视枪头",
        "<b>正常值</b>：无烧蚀 / 无针脚弯曲"
      ]
    },
    {
      "trigger": "③ 充电口针脚",
      "cells": [
        "<b>方法</b>：目视 CC / CP / PE / L / N",
        "<b>正常值</b>：无腐蚀、无异物"
      ]
    },
    {
      "trigger": "④ 读故障码",
      "cells": [
        "<b>方法</b>：OBD 诊断仪读取",
        "例：P1C000 = OBC 通信异常"
      ]
    },
    {
      "trigger": "⑤ CC 信号",
      "cells": [
        "<b>方法</b>：万用表测 CC 与 PE 间电阻",
        "<b>正常值</b>：插枪前开路；<b>插枪后 680–2200Ω</b>"
      ]
    },
    {
      "trigger": "⑥ CP 信号",
      "cells": [
        "<b>方法</b>：万用表测 CP 与 PE 间波形",
        "<b>正常值</b>：插枪后 <b>±12V PWM 方波</b>"
      ]
    },
    {
      "trigger": "⑦ OBC 供电",
      "cells": [
        "<b>方法</b>：测 OBC 供电保险两端电压",
        "<b>正常值</b>：保险未熔断"
      ]
    },
    {
      "trigger": "故障码 P1C000",
      "cells": [
        "OBC 通信异常",
        "查 CAN 线束 / 通信模块"
      ]
    },
    {
      "trigger": "故障码 P1C100",
      "cells": [
        "OBC 硬件故障",
        "更换 OBC"
      ]
    },
    {
      "trigger": "故障码 P1C200",
      "cells": [
        "OBC 温度异常",
        "查冷却风扇 / 散热通道"
      ]
    },
    {
      "trigger": "故障码 P1E00",
      "cells": [
        "充电系统通用故障",
        "综合排查"
      ]
    }
  ],
  "reading": [
    {
      "title": "顺序不能颠倒",
      "text": "① 换桩测试放在最前，是因为它成本最低、且能排除一半可能。很多人上来就读故障码、拆 OBC，最后发现是桩的问题。"
    },
    {
      "title": "680–2200Ω 是最该背下来的数",
      "text": "CC 电阻插枪前应是开路，插枪后落在 680–2200Ω 之间。超出这个范围，车端就不会认为『枪插好了』，后面所有流程都不会启动。原文标注该值来源为『故障库 HV-002（比亚迪实测流程）』。"
    },
    {
      "title": "CP 要的是波形不是电压",
      "text": "±12V PWM 方波——用万用表只能看个大概，要确认占空比得用示波器或专用检测仪。只测到一个直流电压，说明桩没切到 PWM 状态。"
    }
  ],
  "notes": [
    "本表取自本站《电动汽车充电与高压配电系统解析》原文排查流程表与故障码表，未增加原文之外的数据。",
    "原文标注：CC 电阻 680~2200Ω / CP ±12V PWM 来源为『故障库 HV-002（比亚迪实测流程）』，属已确认项。",
    "故障码含义以具体车型诊断仪为准；不同品牌编码体系不同。"
  ],
  "sourceUrl": "https://loudilaoshi.com/report-charging-distribution.html",
  "canonical": "https://loudilaoshi.com/compare/charge-faults.html",
  "license": "转载或引用请注明作者「娄迪老师」与原文链接"
}