Fault code P0717 – a step-by-step guide to diagnosing and fixing it

The meaning of error code P0717 – Input/Turbine Speed Sensor Circuit No Signal

P0717: Causes, signs and repairs

Error code P0717 is displayed and the check engine light is on - what does this mean?

The OBD/EOBD system has detected that no signal is being received from the transmission input speed sensor. This DTC P0717 indicates a problem with the turbine speed sensor or its circuit, as a result of which the transmission control unit is not receiving any information about the input shaft.

What can cause this error code?

Defective input speed sensor (turbine speed sensor)
Damaged or corroded cable connections to the sensor
Loose or defective plug connections on the sensor
Interrupted cable routing between sensor and transmission control unit
Defective transmission control unit (TCM)
Mechanical damage to the sensor wheel or sensor bracket
Dirt or metal chips on the sensor
Faulty ground connection in the sensor circuit

What symptoms occur in parallel with error code P0717?

Shifting problems: Irregular or hard gear changes
Emergency running program: The transmission switches to safety mode
Poor driving performance: Delayed acceleration and jerky driving
Starting problems: Difficulty starting from a standstill
Increased fuel consumption: Inefficient transmission control
Overheating: Transmission can overheat during prolonged driving

How to fix the problem of error code P0717?

The repair requires a systematic diagnosis of the transmission sensor system.
Replacement of the defective input speed sensor after checking the electrical values and resistance measurements
Repair or replacement of the damaged cable connections between the sensor and transmission control unit, including insulation and sealing
Cleaning and reconnecting all plug connections with contact spray and checking for tight fit
Replacing the transmission control unit after excluding all other components and carrying out a compatibility check
Removal of metal chips and dirt from the sensor area by professional gearbox cleaning
Repair of the ground connections by cleaning the contact points and replacing corroded ground cables

FAQ - Frequently asked questions about DTC P0717

Can I continue driving with error code P0717?

Short journeys are possible, but the transmission is running in the emergency running program. Longer journeys can lead to transmission damage, as the optimum gearshift control does not work.

How much does it cost to repair error code P0717?

The costs vary depending on the cause: sensor replacement 150-300€, cable repair 100-200€, transmission control unit 800-1500€. A precise diagnosis costs around €80-120.

How do I recognize a defective input speed sensor with P0717?

Typical signs are jerky gear changes, the transmission "searches" for gears, delayed gear changes and the engine control light is permanently illuminated.

Can I repair the P0717 error code myself?

It is possible to replace the sensor if you have some manual skills, but special tools are required. Cable repairs and TCM replacement should be carried out by a specialist garage.

How long does it take to repair trouble code P0717?

Depending on the cause: sensor replacement 1-2 hours, cable repair 2-4 hours, transmission control unit 3-5 hours including programming and teach-in.

Does the EOBD error code P0717 occur more frequently with certain driving styles?

Frequent stop-and-go driving, aggressive driving and neglected transmission oil changes can cause the sensors to wear out more quickly and lead to code P0717.

Vehicles in which error code P0717 occurs most frequently

Error code P0717 is a transmission-specific fault code that occurs in automatic transmissions and can affect various manufacturers, but is most common in the following vehicles:

Volkswagen: Golf, Passat, Tiguan, Touran (2005-2015)
Audi: A3, A4, A6, Q5 (2004-2014)
BMW: 3 Series, 5 Series, X3, X5 (2006-2016)
Mercedes-Benz: C-Class, E-Class, GLK (2007-2017)
Ford: Focus, Mondeo, Kuga (2008-2018)
Opel: Astra, Insignia, Zafira (2009-2019)
Renault: Megane, Scenic, Laguna (2006-2016)
Peugeot: 308, 508, 3008 (2010-2020)
Citroën: C4, C5, C-Crosser (2008-2018)
Nissan: Qashqai, X-Trail, Juke (2007-2017)

If the code P0717 occurs in your vehicle, you should first have an OBD diagnosis carried out to determine the exact cause. Many garages offer a free fault code readout. With this specific DTC, a prompt repair is recommended, as consequential damage to the transmission can occur. The repair costs are usually lower than a complete gearbox replacement, which is why an early diagnosis makes economic sense.

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