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。
原廠技術資料
4以下為英文原文
RAM
原文故障碼 U0421
MODULE, Air Suspension, [SEB] For replacement of Air Suspension Control Module (ASCM) due to the following DTCs, please contact FCA Redacted Content to aid in root-cause prior to repair at FCA Redacted Content or FCA…
RAM
原文故障碼 U0421
MODULE, Air Suspension, [SEB] For replacement of Air Suspension Control Module (ASCM) due to the following DTCs, please contact Santiago De La Rosa to aid in root-cause prior to repair at (248) 635-0819 or…
LAND ROVER
原文故障碼 U0421-68
"ISSUE: ON L319, DISCOVERY 4 / LR4 SHOULD YOU SEE THE FOLLOWING VARIOUS U-CODES (INCLUDING BUT NOT LIMITED TO) U0415-68 U0421-68 U0416-68 U0241-00 PLEASE FOLLOW THE INSTRUCTIONS BELOW. CAUSE: THE CENTRE CONSOLE COOLER…
LAND ROVER
原文故障碼 U0421-68
"ISSUE: ON L319, DISCOVERY 4 / LR4 SHOULD YOU SEE THE FOLLOWING VARIOUS U-CODES (INCLUDING BUT NOT LIMITED TO) U0415-68 U0421-68 U0416-68U0241-00 PLEASE FOLLOW THE INSTRUCTIONS BELOW. CAUSE: THE CENTRE CONSOLE COOLER…
核對適用車輛
5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。
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。