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車身

B1A7A

故障碼含義與原廠資料

OBD-II / DTC

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

12

以下為英文原文

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PIT5774G ↗

CADILLAC, CHEVROLET, GMC

This Preliminary information communicates an issue with: Overhead Console Inoperative / Service Safety Restraints Message / Sunroof Inoperative / DTC's B1A7A and U1121. Dealers are to cycle the power to the overhead console to correct the issue. Engineering has released updated roof consoles to correct this concern. Dealers are …

PIT5949C ↗

CADILLAC, CHEVROLET, GMC

This Preliminary information communicates an issue during start up that the following symptoms occur: - Service Safety Restraints System Message - Sunroof Inoperative - Sunshade Lights Inoperative - Dome Lights Inoperative - Power Liftgate Inoperative when using switch in overhead console - DTCs U1121 set in the BCM and B1A7A se…

PIT5949B ↗

CADILLAC, CHEVROLET, GMC

This Preliminary information communicates an issue during start up that the following symptoms occur: - Service Safety Restraints System Message - Sunroof Inoperative - Sunshade Lights Inoperative - Dome Lights Inoperative - Power Liftgate Inoperative when using switch in overhead console - DTCs U1121 set in the BCM and B1A7A se…

PIT5949A ↗

CADILLAC, CHEVROLET, GMC

This Preliminary information communicates an issue during start up that the following symptoms occur: - Service Safety Restraints System Message - Sunroof Inoperative - Sunshade Lights Inoperative - Dome Lights Inoperative - Power Liftgate Inoperative when using switch in overhead console - DTCs U1121 set in the BCM and B1A7A se…

核對適用車輛

14

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。

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品牌車型年式
BuickENVISION ↗2022
CadillacESCALADE ESV ↗2023
CadillacESCALADE ESV ↗2022
CadillacESCALADE ESV ↗2021
ChevroletSUBURBAN ↗2023
ChevroletSUBURBAN ↗2022
ChevroletSUBURBAN ↗2021
ChevroletTAHOE ↗2023

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。