这个码是什么意思？
控制器在监测条件下判断催化系统效率不足。P0420 对应第 1 气缸列，P0430 对应第 2 气缸列。应排查排气漏气及失火、混合气相关码，并按车型评估传感器信号及催化器测试。报码本身不能证明必须更换催化器或氧传感器。
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。
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。
P0430front bank catalyst system efficiency below threshold [bank 2]P0430Catalyst System Efficiency Below Threshold Bank 2P0430-00Catalyst System Efficiency Below Threshold Bank 2P0430Catalyst System Efficiency Below Threshold Bank 2厂商技术资料
185以下为英文原文
RAM
原文报码 P0430
Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle exhibit/set SYMPTOM: one or more of the following Diagnostic Trouble Codes (DTCs):…
CHRYSLER, DODGE
原文报码 P0430
Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ●…
DODGE
原文报码 P0430
Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ●…
JEEP
原文报码 P0430
Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ●…
DODGE
原文报码 P0430
Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician must find one or more of the following Diagnostic…
HONDA
原文报码 P0430
Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2025 Pilots with customer complaint of Check Engine Light (CEL) on with DTC P0420 [Catalyst System Efficiency Below Threshold (Bank 1)]…
核对适用车辆
668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 |
|---|---|---|
| Acura | MDX | 2017 |
| Acura | MDX | 2016 |
| Acura | MDX | 2015 |
| Acura | MDX | 2014 |
| Acura | RLX | 2017 |
| Acura | RLX | 2016 |
| Acura | RLX | 2015 |
| Acura | RLX | 2014 |
| Acura | RLX HYBRID | 2017 |
| Acura | RLX HYBRID | 2016 |
| Acura | RLX HYBRID | 2014 |
| Acura | TLX | 2019 |
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。
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。
- 2024–2025 MY OBD System Operation Summary for Gasoline Engines ↗
Ford Motor Company · PDF 页码 2, 3 ·
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。