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U1A4B

故障码含义与厂商资料

U1A4B

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。

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。

Land RoverU1A4B-49
Control Module Processor B - Internal Failure

NHTSA 10125230

MazdaU1A4B:97
RADAR SENSOR SENSITIVITY TEMPORARILY DECREASES DEPENDING ON VARIOUS EXTERNAL AND ENVIRONMENTAL FACTORS (BLIND SPOT MONITORING (BSM) CONTROL MODULE (RH)) - DTC

NHTSA 10105653

MazdaU1A4B:97
Radar sensor sensitivity temporarily decreases depending on various external and environmental factors (blind spot monitoring (BSM) control module (RH)), DTC

NHTSA 10120383

厂商技术资料

12

以下为英文原文

09-005-26

MAZDA

原文报码 U1A4B:54

If the right-side Blind Spot Monitoring (BSM) control module is replaced for any reason, it is also necessary to replace the left-side BSM control module in order to complete the radar aiming procedure. If the…

查看通报 ↗

09-041-22

MAZDA

原文报码 U1A4B:54

If the right-side Blind Spot Monitoring (BSM) control module is replaced for any reason, it is also necessary to replace the left-side BSM control module in order to complete the radar aiming procedure. If the…

查看通报 ↗

09-017-19-3473

MAZDA

原文报码 U1A4B:54

If the right-side Blind Spot Monitoring (BSM) control module is replaced for any reason, it is also necessary to replace the left-side BSM control module in order to complete the radar aiming procedure. If the…

查看通报 ↗

15-001-17-3301a

MAZDA

原文报码 U1A4B:97

Some vehicles with Blind Spot Monitoring (BSM) may experience the following conditions (similar to when the BSM control modules detect dirt on the rear bumper surface): DTC U1A4B:97 - Radar sensor sensitivity…

查看通报 ↗

SSM73421

LAND ROVER

原文报码 U1A4B-49

Issue: Land Rover has received reports where during diagnosis of the surround camera system the Diagnostic Trouble Code (DTC) B12BD-31 "Rear Camera - No Signal" and or U1A4B-49 "Control Module Processor B - Internal…

查看通报 ↗

SSM73421

LAND ROVER

原文报码 U1A4B-49

Issue: Land Rover has received reports where during diagnosis of the surround camera system the Diagnostic Trouble Code (DTC) B12BD-31 ?Rear Camera - No Signal? and or U1A4B-49 ?Control Module Processor B ? Internal…

查看通报 ↗

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核对适用车辆

37

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
JaguarXK2014
JaguarXK2013
JaguarXK2012
JaguarXK2011
JaguarXK2010
Land RoverDISCOVERY2018
Land RoverDISCOVERY2017
Land RoverRANGE ROVER2017
Land RoverRANGE ROVER2016
Land RoverRANGE ROVER2015
Land RoverRANGE ROVER2014
Land RoverRANGE ROVER2013
查看全部车型记录 →

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。

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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。