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。
P0446EVAPORATIVE EMISSION CONTROL SYSTEM VENT CONTROL MALFUNCTIONP0446EVAP CANISTER VENTP0446EVAPORATIVE EMISSIONS (EVAP) VENT SYSTEM PERFORMANCE (INSPECT/CLEAN EVAP CANISTER VENT VALVE SOLENOID AND INSTALL SCREEN)P0446EVAP SYSTEM MALFUNCTION原廠技術資料
73以下為英文原文
CHEVROLET, GMC
原文故障碼 P0446
This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.
VOLVO
原文故障碼 P044671
This is a Technical Journal: Check Engine Light, DTC P044671. Do not replace any parts. This is not a hardware-related fault
CHEVROLET, GMC
原文故障碼 P0446
This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.
VOLVO
原文故障碼 P044671
This is a Technical Journal: Check Engine Light, DTC P044671. Do not replace any parts. This is not a hardware-related fault
CHEVROLET, GMC
原文故障碼 P0446
This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.
CHEVROLET, GMC
原文故障碼 P0446
This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.
核對適用車輛
316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 | BUICK | 未註明年式 |
| Buick | ENCLAVE | 2019 |
| Buick | ENCORE | 2017 |
| Buick | ENCORE | 2016 |
| Buick | ENCORE | 2015 |
| Buick | ENCORE | 2014 |
| Buick | ENCORE | 2013 |
| Buick | LACROSSE | 2018 |
| Buick | LACROSSE | 2017 |
| Cadillac | CADILLAC | 未註明年式 |
| Cadillac | CTS | 2005 |
| Cadillac | CTS | 2004 |
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。