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动力总成

P154B

故障码含义与厂商资料

OBD-II / DTC

参考含义

这个码是什么意思?

以下表述对应所列厂商与通报。使用前请核对完整报码、报码模块、年款和发动机。

故障码描述检测到的异常,不直接指定必须更换的零件。

限定车辆范围

车型关联可作为查阅线索;具体发动机、生产范围和软件条件请核对厂商资料。

更换零件之前

记录报码及冻结帧,检查蓄电池状态、相关报码和可见的线束或软管损伤。按照该车诊断流程和测试结果决定维修,避免仅凭故障码换件。

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厂商技术资料

4

以下为英文原文

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MERCEDES-BENZ

Complaint Vehicle will not start after DC charging Warning in the instrument cluster related to High‐voltage on board electrical system The following fault codes related to stuck contactor can be found in the High Voltage Control units : PTCU ‐ N127 (Powertrain control unit) • P154900 ‐ There is a warning due to overcurrent in t…

MERCEDES-BENZ

Vehicle not starting after DC charging Complaint Vehicle will not start after DC charging Warning in the instrument cluster related to High-voltage on board electrical system The following fault codes related to stuck contactor can be found in the High Voltage Control units : PTCU - N127 (Powertrain control unit) • P154900 - The…

MERCEDES-BENZ

Complaint Vehicle will not start after DC charging Warning in the instrument cluster related to High-voltage on board electrical system The following fault codes related to stuck contactor can be found in the High Voltage Control units : PTCU - N127 (Powertrain control unit) • P154900 - There is a warning due to overcurrent in t…

MERCEDES-BENZ

Complaint Vehicle will not start after charging, HV warning in IC Cause Due to charging error from the charging EVSE the contactors for the DCCU are jammed closed and must be reset via Xentry. Short test found fault code P154B00 in PTCU warning for stuck contactor. Remedy Check for new DCCU (N116/5) SW. Perform SW update to DCCU…

核对适用车辆

43

车型关联可作为查阅线索;具体发动机、生产范围和软件条件请核对厂商资料。

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品牌车型年款
Mercedes-BenzAMG E 53 4MATIC+ WAGON ↗2025
Mercedes-BenzAMG E 53 E 4MATIC+ ↗2025
Mercedes-BenzAMG E53E ↗2023
Mercedes-BenzAMG E53E 4MATIC ↗2027
Mercedes-BenzAMG E53E 4MATIC WAGON ↗2027
Mercedes-BenzAMG GLC63 S E ↗2025
Mercedes-BenzAMG GLC63 S E 4MATIC+ ↗2026
Mercedes-BenzAMG GLC63 S E 4MATIC+ ↗2025

还能继续驾驶吗?

仅靠故障码无法判断是否适合继续行驶。故障灯闪烁、严重抖动、过热、机油压力报警或制动转向异常都需及时处理。影响车辆控制或发动机安全时,应在安全地点停车并寻求帮助。以车辆手册为准。