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。
P21A1-00Cylinder 6 Air-fuel Ratio ImbalanceP21A100Cylinder #6 Air-Fuel Ratio Imbalance If one or more of the listed原廠技術資料
5以下為英文原文
RAM
原文故障碼 P21A1-00
Loose Charge Air Cooler Case Crimp 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): ● P219C-00 -…
KIA
原文故障碼 P21A100
TECHNICAL SERVICE BULLETIN: CYLINDER IMBALANCE DTC P219XXOO INSPECTION AND INJECTOR REPLACEMENT - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by…
KIA
原文故障碼 P21A100
TECHNICAL SERVICE BULLETIN: CYLINDER IMBALANCE DTC P219XXOO INSPECTION AND INJECTOR REPLACEMENT - This bulletin provides information regarding cylinder air-fuel ratio imbalance DTC P219XX00 stored in ECU on some 2022MY…
AUDI
原文故障碼 P21A100
MIL is on due to One of the following DTCs for air-fuel ratio imbalance is stored in the engine control module (ECM), J623 (address word 01): DTC P219C00 (stored in cylinder 1), DTC P219D00 (stored in cylinder 2), DTC…
TOYOTA
原文故障碼 P21A1
TSB: Some 2015 model year Tacoma vehicles equipped with a 1GR-FE engine may exhibit a MIL ?ON? condition with Diagnostic Trouble Codes (DTCs) P219A, P219B, P219C, P219D, P219E, P219F, P21A0, and/or P21A1 present. Follow…
核對適用車輛
11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。