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。
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。
P0401Exhaust Gas Recirculation Flow Insufficient DetectedP0401EXHAUST GAS RECIRCULATION FLOW INSUFFICIENT DETECTEDP0401Exhaust Gas Recirculation Flow insufficient Detected原廠技術資料
15以下為英文原文
LEXUS
原文故障碼 P0401
TSB: Rev1 Warranty information has been updated. Some 2011 - 2012 CT 200h vehicles may exhibit a vibration due to rough idle and/or tapping noise from HV transaxle at cold start. The Check Engine Light may also…
LEXUS
原文故障碼 P0401
TSB: REV1 WARRANTY INFORMATION HAS BEEN UPDATED. SOME 2011 – 2012 CT 200H VEHICLES MAY EXHIBIT A VIBRATION DUE TO ROUGH IDLE AND/OR TAPPING NOISE FROM HV TRANSAXLE AT COLD START. THE CHECK ENGINE LIGHT MAY ALSO…
LEXUS
原文故障碼 P0401
Warranty Policy Bulletin (POL16-02): Lexus has received reports of a rough idle and/or rattle noise from the transaxle at cold start due to a sticking Exhaust Gas Recirculation (EGR) Valve in some vehicles. If this…
LEXUS
原文故障碼 P0401
Dealer Letter: In these vehicles, Lexus has received some reports of a rough idle and/or rattle noise from the transaxle at cold start due to a sticking Exhaust Gas Recirculation (EGR) Valve. If this occurs, the vehicle…
LEXUS
原文故障碼 P0401
Dealer email: In these vehicles, Lexus has received some reports of a rough idle and/or rattle noise from the transaxle at cold start due to a sticking Exhaust Gas Recirculation (EGR) Valve. If this occurs, the vehicle…
LEXUS
原文故障碼 P0401
"DEALER LETTER: IN THESE VEHICLES, LEXUS HAS RECEIVED SOME REPORTS OF A ROUGH IDLE AND/OR RATTLE NOISE FROM THE TRANSAXLE AT COLD START DUE TO A STICKING EXHAUST GAS RECIRCULATION (EGR) VALVE. IF THIS OCCURS, THE…
核對適用車輛
2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。
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。