问：诊断代码P0721

嗨....最好做的是根据故障代码请求诊断，P0721，您手中有。首先解决故障代码背后的故障可能会说明您遇到的轮班困难。通常导致P0721设置的潜在故障受到限制。原因P0721包括：故障传输流体温度传感器，故障输出轴速度（OSS）传感器，故障速度传感器或电线或连接到这些组件的问题。Among the steps that a mechanic would take are removing the OSS sensor and inspecting its condition, especially its teeth and the sensor’s resistance, inspecting the wiring harness for loose connections or wires that have been damaged, and checking the power supply to the OSS sensor as well as the PCM harness. If you desire that this problem be diagnosed by a certified Mechanic, dispatched by万博体育入口到您的位置，请要求自动变速箱换档诊断响应认证的机械师将为您解决这一问题。如果您有其他疑问或疑虑，请随时重新接触万博体育入口因为我们一直在这里为您提供帮助。