这个码是什么意思？
以下表述对应所列厂商与通报。使用前请核对完整报码、报码模块、年款和发动机。
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。
P1404EGR Close Position PerformanceP1404EGR Close Position PerformanceP1404EGR Position Sensor Rationality Closed厂商技术资料
33以下为英文原文
MERCEDES-BENZ
原文报码 P140473
Complaint Check engine light illuminate, or previously on One of the below Exhaust Flap fault codes stored in PTCU N127: P13C273 P13C278 P140473 Cause Various Remedy Model year 2024 254 and 167 with engine M254 -Update…
RAM
原文报码 P1404
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): ●…
RAM
原文报码 P1404
"Heavy Duty Exhaust Gas Recirculation (EGR) Value Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P1404 - EGR…
RAM
原文报码 P1404
"Heavy Duty Exhaust Gas Recirculation (EGR) Valve 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):…
RAM
原文报码 P1404
Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic…
RAM
原文报码 P1404
Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic…
核对适用车辆
147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 |
|---|---|---|
| Buick | CENTURY | 2001 |
| Buick | RENDEZVOUS | 2006 |
| Buick | RENDEZVOUS | 2005 |
| Buick | TERRAZA | 2006 |
| Buick | TERRAZA | 2005 |
| Chevrolet | C SERIES | 1999 |
| Chevrolet | C SERIES | 1998 |
| Chevrolet | EQUINOX | 2006 |
| Chevrolet | EQUINOX | 2005 |
| Chevrolet | G SERIES | 1999 |
| Chevrolet | G SERIES | 1998 |
| Chevrolet | IMPALA | 2001 |
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。
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。