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。
P249C-00Excessive Time To Enter Closed Loop Reductant Injection ControlP249C-00Excessive Time To Enter Closed Loop Reductant Injection Timing ControlP249C-00Excessive Time To Enter Closed Loop Reductant Injection Timing ControlP249C-00Excessive Time To Enter Closed Loop Reductant Injection Control厂商技术资料
65以下为英文原文
JEEP
原文报码 P249C-00
"Flash: Powertrain Control Module (PCM) Updates **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):…
CADILLAC, CHEVROLET, GMC
原文报码 P249C
This service bulletin provides a repair procedure to correct customer concerns of Service Emissions System Displayed on DIC, MIL Illuminated with DTC P249C and/or P20E8 Set.
CADILLAC, CHEVROLET, GMC
原文报码 P249C
This service bulletin provides a repair procedure to correct customer concerns of Service Emissions System Displayed on DIC, MIL Illuminated with DTC P249C and/or P20E8 Set.
RAM
原文报码 P249C-00
Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic…
JEEP
原文报码 P249C-00
Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic…
JEEP
原文报码 P249C-00
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further…
核对适用车辆
262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 |
|---|---|---|
| Audi | A3 CABRIOLET | 2015 |
| Cadillac | ESCALADE | 2024 |
| Cadillac | ESCALADE | 2023 |
| Cadillac | ESCALADE | 2022 |
| Cadillac | ESCALADE | 2021 |
| Cadillac | ESCALADE ESV | 2023 |
| Cadillac | ESCALADE ESV | 2022 |
| Cadillac | ESCALADE ESV | 2021 |
| Cadillac | ESCALADE NA | 2021 |
| Chevrolet | SILVERADO 1500 | 2024 |
| Chevrolet | SILVERADO 1500 | 2023 |
| Chevrolet | SILVERADO 1500 | 2022 |
历史车辆记录 · 8 · 历史车辆关联；此记录不证明车辆支持 OBD-II。
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。