C0055 OBD II故障代码:后轮转速传感器电路

C0055 OBD II故障代码:后轮转速传感器电路
Ronald Thomas
C0055 OBD-II:转向盘位置传感器 "信号D"(子故障) OBD-II故障代码C0055是什么意思?

代码C0055代表后轮转速传感器电路。

防抱死制动系统(ABS)可在紧急制动时防止车轮抱死。 这通过调节相应车轮的制动压力来实现。 实质上,ABS系统在紧急制动时 "泵 "制动。

ABS系统由多个部件组成。 系统的核心是ABS模块,这是一个用于控制ABS系统的计算机。 有时,ABS模块可能被称为其他名称,如电子制动控制模块(EBCR)。 轮速传感器是ABS模块的主要输入端。 该模块使用这些信息来确定何时施加和释放制动器。

防抱死制动系统

大多数轮速传感器(WSS)产生的电压与车轮旋转时发生的磁场变化有关。 一个齿环(称为磁环)安装在车轴或轮毂上,它随车轮总成一起旋转。 当齿环转过WSS时,它使传感器产生交流(AC)电压。 传感器信号的频率和振幅随着车轮转动速度的增加而增加。

虽然大多数现代车辆使用四个车轮速度传感器,但有些车辆使用的较少。 特别是皮卡车,通常只使用一个后轮速度传感器或车速传感器(VSS)。 当使用VSS传感器时,传感器信号通常被发送到发动机控制模块(ECM)。 然后,ECM与ABS模块共享VSS信息。

代码C0055表示ABS模块确定后轮速度传感器(车速传感器)或其电路有问题。

See_also: P0130 OBDII故障代码:氧传感器故障

由专业人员进行诊断

See_also: P0405 OBDII故障代码

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C0055症状

  • ABS 指示灯
  • 其他警示灯,如牵引力控制灯。
  • 防抱死制动系统(ABS)失灵

C0055的常见原因

代码C0055通常由以下原因引起:

  • 轮速传感器/车速传感器故障
  • 接线问题
  • 控制模块问题

如何诊断和维修C0055

进行初步检查

有时C0055会间歇性出现,清除代码后看是否恢复。 如果恢复,下一步是进行目视检查。 一双训练有素的眼睛可以检查出断线和连接松动等问题。 如果发现问题,应进行修理并清除代码。 如果没有发现问题,检查技术服务公告(TSB)。 TSB是推荐的诊断方法。找到相关的TSB可以大大减少诊断时间。

检查其他DTC

其他故障诊断代码(DTC)可能表明影响轮速传感器工作的其他部位存在问题。 在诊断 C0055 之前,应解决任何其他故障诊断代码。

扫描工具检查

通常情况下,技术人员首先使用诊断扫描工具检查VSS的工作情况。 该工具直接连接到车辆的诊断端口,可以访问车辆数据。 然后,可以一边驾驶车辆一边监测轮速传感器的值。 VSS的值应该随着车速的增加而增加。 如果值没有增加,则说明VSS或其存在问题。电路。

检查VSS

下一步是确定问题是出在VSS本身还是电路上。 技术人员将使用数字万用表(DMM)或数字存储示波器(DSO)直接测试VSS。 在车轮(或车速表)转动时,这两种仪器都可以直接连接到VSS上。 当车轮转动时,VSS应产生交流电压读数。 如果没有,则传感器有故障,应更换传感器。应予以更换。

检查WSS电路

此时,VSS传感器在直接测试时表现正常,但在扫描工具上却不能正常记录。 这表明VSS信号没有在ABS模块上记录,可能是由于电路问题。 可以使用DMM测试电路是否存在电阻过大、短路和开路等问题。 如果发现问题,则需要跟踪原厂接线图以确定问题所在。然后进行必要的维修。

检查ABS模块

在极少数情况下,ABS模块或ECM可能无法正确读取VSS。 在这种情况下,需要重新编程或更换模块。

与C0055相关的其他诊断代码

没有代码与 C0055 直接相关。

代码 C0055 技术细节

C0055通常带有子代码,有助于诊断。 这是通用汽车的一个例子。

  • C0055 00:代码 C0055 00 表示 ABS 模块检测到后轮速度传感器信号电路对地短路、对电压短路、开路/高电阻。
  • C0055 5A:代码 C0055 5A 表示 ABS 模块检测到后轮速度信号不稳定。



Ronald Thomas
Ronald Thomas
Jeremy Cruz is a highly experienced automotive enthusiast and a prolific writer in the field of auto repair and maintenance. With a passion for cars that dates back to his childhood days, Jeremy has devoted his career to sharing his knowledge and expertise with consumers who seek reliable and accurate information about keeping their vehicles running smoothly.As a trusted authority in the automotive industry, Jeremy has worked closely with leading manufacturers, mechanics, and industry experts to gather the most up-to-date and comprehensive knowledge in auto repair and maintenance. His expertise extends to a wide range of topics, including engine diagnostics, routine maintenance, troubleshooting, and performance enhancement.Throughout his writing career, Jeremy has consistently provided consumers with practical tips, step-by-step guides, and trusted advice on all aspects of auto repair and maintenance. His informative and engaging content allows readers to understand complex mechanical concepts easily and empowers them to take control of their vehicle's well-being.Beyond his writing skills, Jeremy's genuine love for automobiles and innate curiosity have driven him to constantly stay abreast of emerging trends, technological advancements, and industry developments. His dedication to informing and educating consumers has been recognized by loyal readers and professionalsalike.When Jeremy isn't immersed in automobiles, he can be found exploring scenic driving routes, attending car shows and industry events, or tinkering with his own collection of classic cars in his garage. His commitment to his craft is fueled by his desire to help consumers make informed decisions about their vehicles and ensure they have a smooth and enjoyable driving experience.As the proud author of the blog for the leading provider of auto repair and maintenance information to consumers, Jeremy Cruz continues to be a reliable source of knowledge and guidance for car enthusiasts and everyday drivers alike, making the road a safer and more accessible place for all.