AutoCodesGMC – P0717 2016 GMC Sierra

P0717 2016 GMC Sierra Code - Transmission Input Speed Sensor Circuit No Signal

Quick Answer

The Input Speed Sensor detects the primary pulley revolution speed and sends a signal to the Transmission. Common causes include Faulty Transmission Input Speed Sensor, Transmission Input Speed Sensor harness is open or shorted, Transmission Input Speed Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0717 2016 GMC Sierra indicates Transmission Input Speed Sensor Circuit No Signal.
Common causes
Common causes include Faulty Transmission Input Speed Sensor, Transmission Input Speed Sensor harness is open or shorted, Transmission Input Speed Sensor circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 246
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 29, 2022
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Code P0717 2016 GMC Sierra Description

The Input Speed Sensor detects the primary pulley revolution speed and sends a signal to the Transmission. The Input Speed Sensor (ISS), also known as the transmission turbine speed sensor, is a hall-effect type sensor. The ISS mounts to the control valve upper body assembly and connects to the control solenoid (w/body and Transmission Control Module (TCM)) valve assembly through a wire harness and connector. The sensor faces the 1-2-3-4 and 3-5-R clutch housing machined teeth surface. The sensor receives 8.3-9.3 volts on the Input/Output Speed Sensor (ISS/OSS) supply voltage circuit from the Transmission Control Module (TCM). As the 1-2-3-4 and 3-5-R clutch housing rotates, the sensor produces a signal frequency based on the machined surface of the 1-2-3-4 and 3-5-R clutch housing. This signal is transmitted through the ISS signal circuit to the control solenoid (w/body and TCM) valve assembly. The control solenoid (w/body and TCM) valve assembly uses the ISS signal to determine line pressure, transmission shift patterns, Torque Converter Clutch (TCC) slip speed, and gear ratio. The Diagnostic Trouble Code (DTC) will be set when the TCM detects turbine speed is less than 61 RPM and the output speed is greater than 500 RPM for 1 s.
OBDII Code P0717 2016 GMC Sierra - Transmission Input Speed Sensor Circuit No Signal - AutoCodes.com
P0717 2016 GMC Sierra Code - Transmission Input Speed Sensor Circuit No Signal

What are the Possible Causes of the DTC P0717 2016 GMC Sierra?

  • Faulty Transmission Input Speed Sensor
  • Transmission Input Speed Sensor harness is open or shorted
  • Transmission Input Speed Sensor circuit poor electrical connection
  • Faulty Control Solenoid Valve Assembly

How to Fix the DTC P0717 2016 GMC Sierra?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0717 2016 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0717 2016 GMC Sierra code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0717 2016 GMC Sierra Code

What does OBDII code P0717 mean for a 2016 GMC Sierra?

Code P0717 indicates that the Transmission Input Speed Sensor (ISS) is not providing a signal to the vehicle’s computer, which may affect shift timing and transmission performance.

What are the symptoms of code P0717 in a 2016 GMC Sierra?

Symptoms may include erratic shifting, transmission staying in one gear, reduced power, or the illumination of the check engine light.

What causes code P0717 in a 2016 GMC Sierra?

Common causes include a faulty input speed sensor, damaged wiring or connectors, issues with the transmission control module (TCM), or internal transmission problems.

Can driving with code P0717 damage my 2016 GMC Sierra?

Prolonged driving with this code could lead to transmission damage or reduced efficiency due to improper shift timing. It’s best to address the issue promptly.

How do I diagnose code P0717 in a 2016 GMC Sierra?

Diagnosis involves checking the input speed sensor, inspecting wiring and connectors for damage, and using a scan tool to monitor ISS signals and TCM functionality.

How do I fix code P0717 on a 2016 GMC Sierra?

Repairs may include replacing the input speed sensor, repairing damaged wiring or connectors, or reprogramming or replacing the transmission control module.

Where is the input speed sensor located on a 2016 GMC Sierra?

The input speed sensor is typically located inside the transmission near the torque converter or transmission input shaft.

What tools are needed to diagnose and repair code P0717 in a 2016 GMC Sierra?

You’ll need a scan tool to monitor sensor data, a multimeter to check electrical circuits, and basic automotive tools for accessing the sensor or wiring.

How much does it cost to fix code P0717 in a 2016 GMC Sierra?

Repair costs can vary, but replacing the input speed sensor typically ranges from $150 to $400, depending on labor rates and parts prices.

Can a software update fix code P0717 in a 2016 GMC Sierra?

In some cases, a transmission control module software update may resolve the issue if the problem is related to TCM programming errors.

Discuss the causes and fixes for P0717 2016 GMC Sierra OBDII Code

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