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。
P2B87auxiliary coolant pump underspeedP2B87auxiliary coolant pump underspeedP2B87auxiliary coolant pump underspeedP2B87auxiliary coolant pump underspeed原廠技術資料
7以下為英文原文
CADILLAC, CHEVROLET, GMC
原文故障碼 P2B87
This preliminary information communicates an issue with an SES MIL DTC P2B87 and/or P2B86 cause by the Aux heater coolant pump have an unwanted oring stuck in the pump. Dealers are to remove oring and reinstall pump.
BUICK, CADILLAC, CHEVROLET, GMC
原文故障碼 P2B87
This technical bulletin provides repair information to correct a customer concern of Service Engine Soon MIL Illuminated with DTC P2B87 Set.
CHEVROLET, GMC
原文故障碼 P2B87
This Preliminary information communicates an issues with an SES MIL and DTC P2B87 setting. Engineering has releasing updated cals to correct the concern.
CADILLAC, CHEVROLET, GMC
原文故障碼 P2B87
This Preliminary information communicates an issues with an SES MIL and DTC P2B87 setting. Engineering has releasing updated cals to correct the concern.
BUICK, CADILLAC, CHEVROLET, GMC
原文故障碼 P2B87
This Preliminary information communicates that a customer may bring a vehicle in with an SES light on. If the technician finds a code P2B87 (auxiliary coolant pump underspeed) set in the ECM they are directed to not…
CADILLAC, CHEVROLET, GMC
原文故障碼 P2B87
This Preliminary information communicates an issues with an SES MIL and DTC P2B87 setting. Engineering is working on releasing updated BCM cals to correct the concern.
核對適用車輛
37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 | ENCLAVE | 2022 |
| Buick | ENCLAVE | 2021 |
| Cadillac | ESCALADE | 2026 |
| Cadillac | ESCALADE | 2025 |
| Cadillac | ESCALADE | 2024 |
| Cadillac | ESCALADE ESV | 2026 |
| Cadillac | ESCALADE ESV | 2025 |
| Cadillac | ESCALADE ESV | 2024 |
| Cadillac | ESCALADE ESV | 2021 |
| Cadillac | ESCALADE NA | 2021 |
| Cadillac | XT5 | 2022 |
| Cadillac | XT5 | 2021 |
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。