What Does the P0717 Code Mean?
OBD-II Code P0717 is defined as an Input/Turbine Speed Sensor Circuit No Signal. This code indicates that the Transmission Control Module (TCM) is not receiving a signal from the Input Speed Sensor, which is crucial for the proper functioning of the vehicle’s transmission.
What Causes the P0717 Code?
The P0717 code can be triggered by several factors, including:
- Defective Input/Turbine Speed Sensor
- Faulty wiring or connection to the Input/Turbine Speed Sensor
- Defective shift solenoids
- Defective engine coolant temperature sensor
- Issues with the valve body
- Dirty transmission fluid that restricts hydraulic passages
What Are the Symptoms of the P0717 Code?
When the P0717 code is present, you may experience the following symptoms:
- Illumination of the Check Engine Light
- Improper shifting of the vehicle
- Decrease in fuel economy
- No noticeable adverse conditions in some cases
- Potential performance issues, such as stalling when coming to a stop or misfire-like symptoms
How Serious Is the P0717 Code?
The P0717 code is considered urgent and should be addressed immediately. Failing to resolve this issue can lead to serious transmission damage and unsafe driving conditions, making it crucial to take action as soon as possible.
How to Diagnose the P0717 Code
To diagnose the P0717 code, follow these steps:
- Record freeze frame data from the vehicle’s computer.
- Perform a test drive to replicate the conditions that triggered the code.
- Monitor engine load, throttle position, RPM, and road speed using a data streaming scanner.
- Check the input and output RPM signals for reliability.
- Inspect the wiring and connections of the input speed sensor.
- If necessary, test the input speed sensor and replace it if defective.
Common Repairs for the P0717 Code
Common repairs to fix the P0717 code may include:
- Replacing the Input/Turbine Speed Sensor
- Repairing or replacing faulty wiring or connections
- Replacing defective shift solenoids
- Changing dirty transmission fluid
- Addressing any valve body issues
How Much Does It Cost to Fix the P0717 Code?
The cost to fix the P0717 code can vary widely depending on the specific issue and labor rates in your area. Typically, repairs can range from $100 to $600, depending on whether you need a simple wiring fix or a full sensor replacement.
Can I Fix the P0717 Code Myself?
While some aspects of diagnosing and fixing the P0717 code can be done by a knowledgeable DIYer, it is essential to have a good understanding of automotive systems. If you are unsure, it is always recommended to seek professional assistance to avoid further damage to your vehicle.
