Fix code P0717 Input Turbine Speed Sensor Circuit No Signal
If you have a P0717 Input Turbine Speed Sensor Circuit No Signal trouble code, this post will help you understand what it is and how to fix it.
The computer wants to know if the transmission is working properly. So it reads the speed of the input shaft and compares it to the speed of the output shaft. It knows which gear you’re in because it commanded the transmission to shift into that gear. So, it analyses the input speed, the gear selection, and the output speed to determine if the the transmission is working the way the computer intended.
If the output shaft speed doesn’t match the expected speed, the computer knows something is slipping inside the transmission. It can then try to boost the fluid pressure to compensate. If that doesn’t work, it sets a different trouble code.
But first it needs the input from the input turbine speed sensor. If it doesn’t get that signal, the computer sets a P0717 Input Turbine Speed Sensor Circuit No Signal. Either the sensor is dead or there’s a circuit issue (bad wiring, etc).
© 2012 Rick MuscoplatPosted on by Rick Muscoplat
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