參考含義
這個碼是什麼意思？
以下表述對應所列原廠與通報。使用前請核對完整故障碼、回報模組、年式與引擎。
故障碼描述偵測到的異常，不直接指定必須更換的零件。
限定車輛範圍
車型關聯可作查閱線索；引擎、生產範圍與軟體條件請核對原廠資料。
更換零件之前
記錄故障碼與凍結資料，檢查電瓶狀態、相關故障碼和可見線束或軟管損傷。依該車診斷程序與測試結果決定維修，避免僅憑故障碼換件。
掃描記錄表 →原廠原文中的含義
原文含義可能隨車型與後綴變化。此處依來源顯示，不代表通用診斷結論。
P1404EGR Close Position Performance
P1404EGR Close Position Performance
P1404EGR Position Sensor Rationality Closed
原廠技術資料
33以下為英文原文
MERCEDES-BENZ
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 software of N127 PTCU. New software: 254- A2549022611 167- A2549022811 -Clear fault codes and check operation o…
RAM
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): ● P1404 - EGR Close Position Performance. Customers may also comment on one or more of the following: ● Engine tug…
RAM
"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 Position Sensor Rationality Closed This bulletin involves replacing the EGR valve."
RAM
"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): ● P1404 - EGR Position Sensor Rationality Closed This bulletin involves replacing the EGR valve."
核對適用車輛
147車型關聯可作查閱線索；引擎、生產範圍與軟體條件請核對原廠資料。
| 品牌 | 車型 | 年式 |
|---|---|---|
| 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 |
故障碼含義與原廠資料
以下為英文原文 · 車型關聯可作查閱線索；引擎、生產範圍與軟體條件請核對原廠資料。
IAT – B Circuit Malfunction/ Exhaust Gas Recirculation Closed Position Performance
還能繼續駕駛嗎？
不能只憑故障碼判斷能否繼續行駛。故障燈閃爍、嚴重抖動、過熱、機油壓力警示或煞車轉向異常需立即注意。影響操控或引擎安全時，應在安全地點停車並求助。以車主手冊為準。