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 →原廠技術資料
25以下為英文原文
CHEVROLET, GMC
This service bulletin provides a service procedure to correct a customer concern of the Malfunction Indicator Lamp (MIL) Illuminated - DTC P062F, P040B, P041B, P0422, P060C, P062B, P1428, P142A, P20EE, P20FE, P22F9, P244A, and/or P244B Set.
CHEVROLET, GMC
This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated. They may also comment on multiple transmission issues including harsh or delayed shifts, slip, surge, shudder, noise, whine, growl, shake and/or vibration. As well as the exhaust brake not working or t…
CHEVROLET, GMC
This Preliminary information provides information to the technician Direction for when DTC P0422 Sets on a 2024 Vehicle with the 6.6L L5P engine.
CHEVROLET, GMC
This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp being illuminated with DTCs P2002, P2463, P2459, P144E, P0421, P0422, P0106 P20EE, P129F, P16F3, P20FF, P226D, P249D, P249E, P11CC and / or P11D5. They may also comment on multiple transmission issues including harsh or …
核對適用車輛
234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 ↗ | 2000 |
| Audi | A8 ↗ | 2000 |
| Chevrolet | SILVERADO 1500 ↗ | 2024 |
| Chevrolet | SILVERADO 2500 ↗ | 2024 |
| Chevrolet | SILVERADO 2500 ↗ | 2020 |
| Chevrolet | SILVERADO 3500 ↗ | 2024 |
| Chevrolet | SILVERADO 3500 ↗ | 2020 |
| GMC | SIERRA 1500 ↗ | 2024 |
故障碼含義與原廠資料
以下為英文原文 · 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。
Main Catalyst Efficiency Below Threshold (Bank 1)
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。