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。
扫描记录表 →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。
P1890CVT SPEED CONTROL SYSTEM
厂商技术资料
8以下为英文原文
NISSAN
PERMANENT DTC SET IN TCM AND WILL NOT ERASE IF YOU CONFIRM One or more of the following DTCs are stored in the permanent DTC screen (Figure 1): P1890, P2768, P17F3, P17F4, P188F And The DTCs will not erase when following the ESM procedure. NOTE: ï‚· If DTCs other than those listed above are stored, this bulletin does not apply. …
HONDA
CUSTOMER LETTER - UNDER CERTAIN DRIVING CONDITIONS, THE SOFTWARE IN THE PCM CAUSES A LOW PRESSURE PROBLEM IN THE CVT. THIS MAY ALLOW THE BELT IN THE CVT TO SLIP. IF THE BELT SLIPS, YOU MAY SEE A SURGE IN RPM WHEN DRIVING AT HIGHWAY SPEEDS. IF THE BELT SLIPS LONG ENOUGH, THE TRANSMISSION WILL BE DAMAGED, AND DTC P1890 WILL SET.
HONDA
"SERVICE BULLETIN - AN INCORRECT LEARNING VALUE IN THE PCM MAY CAUSE A PRESSURE PROBLEM IN THE CVT UNDER CERTAIN DRIVING CONDITIONS, CAUSING A SURGE IN RPM BECAUSE THE CVT BELT SLIPS AT HIGHWAY SPEEDS, AND EVENTUALLY SET DTC P1890 (CVT SPEED CONTROL SYSTEM). SOME 2015 CR-V’S THAT HAD A PREVIOUS VERSION OF VIBRATION SOFTWARE WILL…
HONDA
SERVICE BULLETIN - AN INCORRECT LEARNING VALUE IN THE PCM MAY CAUSE A PRESSURE PROBLEM IN THE CVT UNDER CERTAIN DRIVING CONDITIONS, CAUSING A SURGE IN RPM BECAUSE THE CVT BELT SLIPS AT HIGHWAY SPEEDS AND EVENTUALLY SETTING DTC P1890 (CVT SPEED CONTROL SYSTEM).
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。
故障码含义与厂商资料
以下为英文原文 · 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。
Transmission 4WD Mode Select Return Input Circuit Failure
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。