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。
U140500Terminal 15, Signal Implausible” in Various Control Units (35 / 26)原廠技術資料
6以下為英文原文
PORSCHE
原文故障碼 U140500
Technical information for a Malfunction Indicator Light Active / Warning Message All-Wheel Drive Disturbed: Fault Memory Entry “U140500 - Terminal 15, Signal Implausible” in Various Control Units (35 / 26)
AUDI
原文故障碼 U140500
This bulletin provides information when "Electrical system fault" is displayed in the instrument cluster, DTC: P18F100, P0A1B00, U140500.
AUDI
原文故障碼 U140500
This bulletin provides instructions for when the message "Electrical system: fault. Please contact workshop" intermittently appears in the instrument cluster accompanied by one or more DTCs U140500, P0A1B00, P18F100.
AUDI
原文故障碼 U140500
This bulletin provides instructions for when the message "Electrical system: fault. Please contact workshop" intermittently appears in the instrument cluster accompanied by one or more DTCs U140500, P0A1B00, P18F100.
AUDI
原文故障碼 U140500
This bulletin provides instructions for instances where the message "Electrical system: fault. Please contact workshop" appears intermittently in the instrument cluster, and is accompanied by one ore more of the…
AUDI
原文故障碼 U140500
This bulletin contains repair instructions for when there is a wiring harness that has been chafed, DTCs U121C00, U011000, U003600, U002800, U002900, U140500, P0A2F00, and/or P0A1B00 may be stored.
核對適用車輛
36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 | Q4 E-TRON | 2022 |
| Audi | Q4 SPORTBACK E-TRON | 2022 |
| Audi | Q5 | 2020 |
| Audi | Q5 | 2019 |
| Audi | Q5 | 2018 |
| Audi | Q5 PHEV | 2021 |
| Porsche | CAYENNE | 2026 |
| Porsche | CAYENNE | 2025 |
| Porsche | CAYENNE | 2024 |
| Porsche | CAYENNE COUPE | 2026 |
| Porsche | CAYENNE COUPE | 2025 |
| Porsche | CAYENNE COUPE | 2024 |
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。