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。
P04DBcrankcase ventilation system disconnected
P04DB-00Crankcase Ventilation System Disconnected
P04DB-00Crankcase Ventilation System Disconnected
原廠技術資料
67以下為英文原文
KIA
TECHNICAL SERVICE BULLETIN: CRANKCASE EJECTOR INSPECTION/REPLACEMENT (SA650) - This bulletin provides instructions to inspect and, if necessary, replace the PCV ejector on certain 2027MY Telluride Hybrid (LQ2AH) vehicles produced from December 4, 2025, through March 20, 2026. Affected vehicles may display an illuminated Malfunct…
FORD
Recommended Repair Prior to Sale Customer Satisfaction Program 26P04 Certain 2025 Model Year Bronco and Ranger Vehicles with 2.7L Engine Setting Diagnostic Trouble Code (DTC) P04DB Powertrain Control Module Software Update
FORD
Some 2025 Bronco/Ranger vehicles equipped with a 2.7L EcoBoost engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P04DB stored in the powertrain control module (PCM) with no other relevant DTCs present. This may be due to the software in the PCM.
FORD
Some 2025 Bronco/Ranger vehicles equipped with a 2.7L EcoBoost engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P04DB stored in the powertrain control module (PCM) with no other relevant DTCs present. Refer to Workshop Manual (WSM), Section 303-08B Engine Emission Control > Di…
核對適用車輛
375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 |
|---|---|---|
| Alfa Romeo | GIULIA ↗ | 2018 |
| Alfa Romeo | GIULIA ↗ | 2017 |
| Alfa Romeo | STELVIO ↗ | 2019 |
| Alfa Romeo | STELVIO ↗ | 2018 |
| Chevrolet | SILVERADO 2500 ↗ | 2025 |
| Chevrolet | SILVERADO 3500 ↗ | 2025 |
| Ford | BRONCO ↗ | 2025 |
| Ford | BRONCO ↗ | 2023 |
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。