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P0228is a diagnostic trouble code (DTC) for "Throttle/Pedal Position Sensor/Switch C Circuit High Input". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the检查引擎灯诊断$ 114.99。一旦我们能够诊断出该问题,就会为您提供建议的修复程序的前期报价,并获得20.0美元的折扣作为维修的信用。我们所有的维修都得到了我们12个月 / 12,000英里的保修。
Throttle/Pedal Position Sensor/Switch C Circuit High Input
P0228是一种通用OBD-II代码,表明节气门/踏板位置传感器/开关C电路具有很高的输入问题,导致传感器输入发动机控制模块(ECM)高于与冗余相比的预期电压输入节气门位置传感器A或高于指定范围。
ECM检测传感器电路电压是否高于传感器的指定范围
Short 5 volt reference to the signal wire could cause low voltage to the ECM. This can be from external wiring problems, or from an internally shorted sensor
The Check Engine Light and Electronic Throttle Control (ETC) Light will be illuminated
The ECM goes into failure limp home mode; drive complaints may vary depending on manufacturer programming
在停止期间,油门完全关闭,以防止RPM过度
在加速期间,油门设置为固定位置,以限制油门开口
Uneven idle or jerking during braking, due to the closed throttle position
Limited acceleration due to very poor throttle response, or no response at all, during acceleration
Vehicle speed limited to 32 mph or less
残疾巡航控制
扫描代码和记录冻结框架数据以验证问题
Clears the engine and ETC codes to verify whether the concern comes back
对接线和与节气门身体传感器的连接进行直观检查,以进行短线或燃烧的电线,这可能会导致短暂的电源
检查扫描数据以查看传感器信号电压是否短路到电源,并遵循精确测试步骤以找到短路
Disconnects and checks the sensor resistance to see if sensor short is internal
遵循以下简单准则以防止误诊:
Do a visual check of the wiring to the sensor to make sure they are not shorted in any way
寻找传感器烧伤或切线的任何问题,或连接中的腐蚀
Any problems with the throttle sensor cause the limp mode to be activated
发动机将进入li行的家庭模式,系统将受到限制,具体取决于制造商
The vehicle speed will be limited to less than 35 mph
The engine will lack acceleration or have limited acceleration
The engine idle will be low and erratic when coming to a stop
当信号到达ECM高于指定的信号时,触发代码P0228,可能是由于传感器和ECM之间的线束短线引起的。大多数制造商都不使用此代码,应遵循认可的精确测试。
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