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。
P203BReductant Level Sensor 1 Circuit PerformanceP203B-00Reductant Level Sensor 1 Circuit PerformanceP203BReductant Level Sensor Circuit PerformanceP203B00Reductant Level Sensor Circuit Range/Performance原廠技術資料
50以下為英文原文
DODGE, FREIGHTLINER, MERCEDES-BENZ
原文故障碼 P203B31
The check engine light is illuminated, or the AdBlue warning is active, with recorded faults related to AdBlue quality or concentration. Complaint Customer reports an illuminated check engine light and or an AdBlue…
FREIGHTLINER, MERCEDES-BENZ
原文故障碼 P203B31
Check engine light or Adblue warning with fault codes P206B31, P203B31, or P300494 present in AdBlue (SCR) control unit (N118/5) Complaint The check engine light or AdBlue warning is activated, accompanied by one or…
FREIGHTLINER, MERCEDES-BENZ
原文故障碼 P203B31
Vehicles with SCR Generation 4: SCR/AdBlue® warning message cannot be reset with fault code P13DF00 or P300685 Complaint SCR or AdBlue warning message cannot be reset. All fault codes in the AdBlue (SCR) control unit…
FREIGHTLINER, MERCEDES-BENZ
原文故障碼 P203B31
Check engine light or Adblue warning with fault codes P206B31, P203B31, or P300494 present in AdBlue (SCR) control unit (N118/5) Complaint The check engine light or AdBlue warning is activated, accompanied by one or…
FREIGHTLINER, MERCEDES-BENZ
原文故障碼 P203B31
Check engine light or Adblue warning with fault codes P206B31, P203B31, or P300494 when outside temperatures are below 32 degrees Fahrenheit. SCR Gen4 (KP7) Complaint: The check engine light or AdBlue warning is…
DODGE, FREIGHTLINER, MERCEDES-BENZ
原文故障碼 P203B31
Complaint The check engine light or AdBlue warning is activated, accompanied by one or more of the following fault codes rela- ted to the AdBlue tank: P206B31: Malfunction of the concentration sensor for AdBlue; the…
核對適用車輛
281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 |
|---|---|---|
| Audi | A6 | 2016 |
| Audi | A6 | 2015 |
| Audi | A6 | 2014 |
| Audi | A7 | 2016 |
| Audi | A7 | 2015 |
| Audi | A7 | 2014 |
| Audi | A8 | 2015 |
| Audi | A8 | 2014 |
| Audi | A8 | 2013 |
| Audi | Q5 | 2016 |
| Audi | Q5 | 2015 |
| Audi | Q5 | 2014 |
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。