AutoCodes – Mercedes-Benz – P0710 Mercedes-Benz

P0710 Mercedes-Benz Code - Transmission Fluid Temperature Sensor Circuit Malfunction

Quick Answer

The ATF (Automatic Transmission Fluid) Temperature Sensor converts the fluid temperature into a resistance value. Common causes include Faulty Transmission Fluid Temperature Sensor, Transmission Fluid Temperature Sensor harness is open or shorted, Transmission Fluid Temperature 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: P0710 Mercedes-Benz indicates Transmission Fluid Temperature Sensor Circuit Malfunction.
Common causes: Common causes include Faulty Transmission Fluid Temperature Sensor, Transmission Fluid Temperature Sensor harness is open or shorted, Transmission Fluid Temperature 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 9,933

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 08, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0710 Mercedes-Benz Description

The ATF (Automatic Transmission Fluid) Temperature Sensor converts the fluid temperature into a resistance value. The sensor resistance changes with the transmission fluid temperature. As the temperature becomes higher, the sensor resistance decreases. The Transmission Control Module (TCM) monitors the ATF (Automatic Transmission Fluid) Temperature Sensor signal. The TCM sets the OBDII code when the ATF (Automatic Transmission Fluid) Temperature Sensor signal is out of factory specifications.

OBDII Code P0710 Mercedes-Benz - Transmission Fluid Temperature Sensor Circuit Malfunction - AutoCodes.com — P0710 Mercedes-Benz Code - Transmission Fluid Temperature Sensor Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC P0710 Mercedes-Benz?

Faulty Transmission Fluid Temperature Sensor
Transmission Fluid Temperature Sensor harness is open or shorted
Transmission Fluid Temperature Sensor circuit poor electrical connection

How to Fix the DTC P0710 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 P0710 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 P0710 Mercedes-Benz code?

Need more information on how to fix the P0710 Mercedes-Benz code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0710 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 P0710 Mercedes-Benz Code

What does the OBD-II code P0710 mean for a Mercedes-Benz?

P0710 indicates a Transmission Fluid Temperature (TFT) Sensor Circuit Malfunction, meaning the sensor's signal is out of range or not functioning properly.

What are the common symptoms of code P0710 in a Mercedes-Benz?

Symptoms may include erratic shifting, transmission overheating, the vehicle going into limp mode, or an illuminated check engine light.

What causes the P0710 code to appear?

Common causes include a faulty transmission fluid temperature sensor, damaged wiring or connectors, low or dirty transmission fluid, or issues with the powertrain control module (PCM).

Can low transmission fluid cause a P0710 code?

Yes, low or degraded transmission fluid can lead to improper temperature readings, triggering the P0710 code.

How do you diagnose the P0710 code on a Mercedes-Benz?

Diagnosis involves scanning for codes, checking the TFT sensor's wiring and connections, testing the sensor's resistance, inspecting transmission fluid level and quality, and possibly testing the PCM.

Can I continue driving with a P0710 code on my Mercedes-Benz?

Driving is not recommended as this code may cause poor shifting or transmission damage if overheating occurs.

How much does it cost to repair a P0710 code?

Repair costs vary but may include $50-$150 for a new sensor, $100-$200 for wiring repairs, or higher if transmission fluid replacement or PCM reprogramming is needed.

Where is the transmission fluid temperature sensor located in a Mercedes-Benz?

The TFT sensor is typically located inside the transmission, often integrated into the valve body or conductor plate.

Can a P0710 code be caused by a bad PCM?

While rare, a malfunctioning PCM can cause this code if it misinterprets the sensor's data or fails to process signals correctly.

How do you prevent the P0710 code from reoccurring?

Regularly check and replace transmission fluid, inspect wiring and connectors, and ensure the transmission system is maintained according to manufacturer guidelines.