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P0717 is a diagnostic trouble code (DTC) for "Input/Turbine Speed Sensor No Signal". 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 Check Engine Light diagnostic. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.
The PCM (powertrain control module) will set the P0717 code when it detects no signal from the input/turbine speed sensor. This signal may be interrupted briefly, or it may be erratic or otherwise outside of expected manufacturer settings. In any of these cases, the PCM will record the code and turn on the Check Engine light.
An automatic transmission is designed to match the vehicle’s engine’s best torque and power characteristics to match the driver’s acceleration or deceleration pattern. When the PCM does not get the expected input signal from the input/turbine speed sensor, it cannot make the proper predictions or matches to deliver a good shifting strategy.
A few common causes can result in a P0717 code, including:
When the P0717 code is stored, a number of symptoms will occur:
In some rare cases, the only symptom will be the Check Engine light, but in most instances one or more of these symptoms will occur.
A mechanic will first use an OBD-II scanner to identify the P0717 code and any codes related to it that may have been stored, as well. After that, they will start by checking technical service bulletins for the vehicle’s make and model to find out if there are any known issues that commonly cause this problem for your specific vehicle.
Then they will perform a visual inspection to ensure that all wiring is secure and undamaged, and that all connections are tight. They’ll also test the battery and battery cables, as well as the alternator, to ensure that none of these are the cause of the code. Then they’ll move on to further inspect all components associated with the input/turbine speed sensor, taking the time to retest the vehicle with each inspection or repair.
Some of the symptoms involved with a P0717 code can be misleading and can result in a few different misdiagnoses. The most common of these include:
With so many symptoms affecting the drivability and performance of the vehicle, the P0717 code is absolutely a serious problem. It may not completely stop the vehicle from operating, but it can cause a number of dangerous situations, including stalling in traffic and/or unpredictable shifting.
The right repair for the job will depend entirely on the underlying cause of the problem. Some of the most likely repairs to fix a P0717 code are:
It should be obvious from the symptoms associated with this code that it should be dealt with immediately. In addition to making it more difficult and dangerous to drive your car, this code will illuminate the Check Engine light and make it impossible to pass an OBD-II emissions test to renew your vehicle’s registration.
YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230.