AutoCodesMercedes-Benz – P0717 Mercedes-Benz

P0717 Mercedes-Benz Code - Input/Turbine Speed Sensor Circuit No Signal

Quick Answer

The Input Speed Sensor detects the primary pulley revolution speed and sends a signal to the Transmission Control Module (TCM) and Engine Control Module (ECM). Common causes include Faulty Transmission Speed Sensor, Transmission Speed Sensor harness is open or shorted, Transmission 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 Mercedes-Benz indicates Input/Turbine Speed Sensor Circuit No Signal.
Common causes
Common causes include Faulty Transmission Speed Sensor, Transmission Speed Sensor harness is open or shorted, Transmission 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 39,581
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Feb 12, 2019
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Code P0717 Mercedes-Benz Description

The Input Speed Sensor detects the primary pulley revolution speed and sends a signal to the Transmission Control Module (TCM) and Engine Control Module (ECM). The ECM sets the OBDII code when the Input Speed Sensor is out of factory specifications.
OBDII Code P0717 Mercedes-Benz - Input/Turbine Speed Sensor Circuit No Signal - AutoCodes.com
P0717 Mercedes-Benz Code - Input/Turbine Speed Sensor Circuit No Signal

What are the Possible Causes of the DTC P0717 Mercedes-Benz?

  • Faulty Transmission Speed Sensor
  • Transmission Speed Sensor harness is open or shorted
  • Transmission Speed Sensor circuit poor electrical connection

How to Fix the DTC P0717 Mercedes-Benz?

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 Mercedes-Benz 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 Mercedes-Benz code?

Need more information on how to fix the P0717 Mercedes-Benz code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0717 Mercedes-Benz code diagnosed by a professional: Find a repair shop in your area

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 Mercedes-Benz Code

What does the OBDII code P0717 mean on a Mercedes-Benz?

P0717 indicates that the transmission control module (TCM) has detected no signal from the input/turbine speed sensor, which monitors the rotational speed of the transmission's input shaft.

What are the common symptoms of code P0717 in a Mercedes-Benz?

Symptoms may include harsh or delayed shifting, transmission slipping, reduced fuel efficiency, the vehicle entering limp mode, or the illumination of the check engine light.

What causes the P0717 code to appear in a Mercedes-Benz?

Common causes include a faulty input/turbine speed sensor, damaged or corroded wiring, a failed transmission control module, or mechanical issues within the transmission.

Can I drive my Mercedes-Benz with a P0717 code?

Driving with a P0717 code is not recommended, as it can lead to further transmission damage and may cause unsafe driving conditions due to erratic shifting or limp mode.

How do I diagnose the P0717 code on a Mercedes-Benz?

Diagnosis typically involves using an OBDII scanner to confirm the code, visually inspecting the sensor and wiring for damage, testing the sensor with a multimeter, and checking for transmission fluid contamination.

What is the role of the input/turbine speed sensor in a Mercedes-Benz?

The input/turbine speed sensor monitors the rotational speed of the transmission's input shaft and sends this data to the TCM to ensure proper gear shifting and transmission performance.

How much does it cost to fix a P0717 code on a Mercedes-Benz?

Repair costs can vary, but replacing the input/turbine speed sensor typically costs $200–$400, including parts and labor. Additional costs may arise if wiring or the TCM needs repair or replacement.

Can low transmission fluid cause a P0717 code?

Yes, low or contaminated transmission fluid can affect the input/turbine speed sensor's operation and contribute to the P0717 code. Always check and maintain proper fluid levels.

How do I fix the P0717 code on my Mercedes-Benz?

Repairs may include replacing the input/turbine speed sensor, repairing or replacing damaged wiring, cleaning electrical connectors, updating or reprogramming the TCM, or addressing internal transmission issues.

Is a P0717 code covered under warranty for a Mercedes-Benz?

If your vehicle is still under the powertrain or transmission warranty, repairs related to the P0717 code may be covered. Check with your dealer for warranty specifics.

Discuss the causes and fixes for P0717 Mercedes-Benz OBDII Code

  • The P0717 code is one of the codes that I received with my Mercedes-Benz E350, 2006. I am experiencing the same problem as above with shifting and the engine light staying on.

  • my mercedes-benz also got same issue. please help me to find where exactly this sensor is in the car

  • What model and year is your Mercedes-Benz?

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