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。
厂商原文中的含义
原文含义可能随车型和后缀变化。此处按来源展示，不代表通用诊断结论。
B131DF5alarm system siren supply voltage lower limit value less thanB131D29sirens / alarm horn for anti-theft warning system Range/PerformanceB131D29anti-theft alarm system siren / alarm horn signal, not validB131D29anti-theft alarm system siren/alarm horn signal, not valid厂商技术资料
3以下为英文原文
BENTLEY
原文报码 B131D29 B131DF5
Unintended sounding of the Alarm siren - Following activation of the ignition or whilst the vehicle is left standing. Workshop findings The following DTC’s could also be evident within diagnostic address 0046 and/or…
BENTLEY
原文报码 B131D29 B131DF5
Unintended sounding of the alarm siren - Following activation of the ignition or whilst the vehicle is left standing Customer Statement: -The following DTCs could also be evident within the diagnostic address 0046…
BENTLEY
原文报码 B131D29 B131DF5
Unintended sounding of the Alarm siren - Following activation of the ignition or whilst the vehicle is left standing. Customer statement / workshop findings: Unintended sounding of the alarm siren following activation…
核对适用车辆
7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。
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。