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。
P0621Generator L-Terminal Circuit set as current or history厂商技术资料
19以下为英文原文
BUICK, CHEVROLET
原文报码 P0621
This Preliminary information communicates to the technician what to do when they encounter a service charging system message with a DTC P0621.
BUICK, CHEVROLET
原文报码 P0621
This Preliminary information communicates to the technician what to do when they encounter a service charging system message with a DTC P0621.
CHEVROLET, GMC
原文报码 P0621
This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicle with a Service Charging System message or Service Engine Soon Malfunction Indicator Lamp and the…
CHEVROLET
原文报码 P0621
Malfunction Indicator Lamp (MIL) Illuminated with DTCs P2096 and/or P0621 Set
CHEVROLET
原文报码 P0621
Malfunction Indicator Lamp (MIL) Illuminated with DTCs P2096 and/or P0621 Set Condition/Concern Some customers may comment on the malfunction indicator lamp (MIL) being illuminated. Technicians may find diagnostic…
CHEVROLET
原文报码 P0621
This Preliminary Information communication provides information to the technician about vehicles that may have an intermittent "Service Charging System" message on the Driver Information Center or a Battery Malfunction…
核对适用车辆
39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。
| 品牌 | 车型 | 年款 |
|---|---|---|
| Buick | ENCORE GX | 2025 |
| Buick | ENCORE GX | 2024 |
| Buick | ENVISTA | 2025 |
| Buick | ENVISTA | 2024 |
| Chevrolet | COLORADO | 2004 |
| Chevrolet | EXPRESS | 2009 |
| Chevrolet | IMPALA | 2015 |
| Chevrolet | MALIBU | 2015 |
| Chevrolet | MALIBU | 2014 |
| Chevrolet | MALIBU | 2004 |
| Chevrolet | SILVERADO | 2004 |
| Chevrolet | SILVERADO | 2003 |
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。