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。
P229FAftertreatment NOx Sensor Circuit Performance - Bank 1 Sensor 2P229F-00NOX Sensor Circuit Range/Performance - Bank 1P229FAftertreatment NOx Sensor Circuit Performance - Bank 1 Sensor 2 (For non-ammonia delete systems only)厂商技术资料
6以下为英文原文
RAM
原文报码 P229F-00
Flash: Powertrain Control Module (PCM) Updates V2D Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble…
RAM
原文报码 P229F
Powertrain Contol Module Over The Air Update to V2B (Diesel Only) Software Version (FOTA) 2025 - 2026 (DJ) RAM 2500 Pickup 2025 - 2026 (D2) RAM 3500 Pickup 2025 - 2026 (DD) RAM 3500 Cab Chassis 2025 - 2026 (DF) RAM 3500…
RAM
原文报码 P229F
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…
RAM
原文报码 P229F
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software. Customers may experience a…
RAM
原文报码 P229F
Flash: 6.7L Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Engine Control Module (ECM) with new software. Several software improvements are available for vehicles…
RAM
原文报码 P229F
Part Description: Engine Out NOx Sensor 1/1, System Out NOx Sensor 1/2 Issue Description: If you receive a DJ/D2 with a MIL illumination and DTC P229F, please do not replace any parts at this time. Cummins Engineering…
核对适用车辆
6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。