FAULTBASE
Error CodesASKCars
© 2025 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
Home/Cars/Porsche/Cayenne/E3 (2018-Present)/how to fix P0708 code in Porsche Cayenne E3 (2018-Present)

how to fix P0708 code in Porsche Cayenne E3 (2018-Present)

Porsche Cayenne E3 (2018-Present)

Error Codes
Severity: highDifficulty: mediumError Code: P07082-4 hours
3 min read
472 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix P0708 code related to the Transmission Range Sensor in Porsche Cayenne E3. Step-by-step guide with tools and procedures.

Error Code
P0708
Component
Transmission
Repair Time
2-4 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical systems.
  • ⚠Allow the engine to cool before opening the transmission fluid fill plug.

Symptoms

  • •Check engine light illuminated
  • •Transmission not shifting properly
  • •Vehicle stuck in a single gear
  • •Erratic gear changes
  • •Difficulty starting the engine in gear

Diagnostic Steps

  1. 1Scan the vehicle's onboard diagnostics using an OBD-II scanner to confirm the P0708 code.
  2. 2Inspect the Transmission Range Sensor wiring and connectors for damage or corrosion.
  3. 3Check the transmission fluid level and condition.
  4. 4Use a multimeter to test the resistance and voltage output of the Transmission Range Sensor.
  5. 5Clear the fault codes and perform a road test to see if the code reappears.

Solution

Solution

1. Preparation

  • Gather necessary tools and parts.
  • Ensure the vehicle is parked on a flat surface with the engine off and cool.
  • Disconnect the negative battery terminal to prevent electrical shorts.

2. Inspect and Clean Connectors

  • Remove the protective cover from the Transmission Range Sensor.
  • Inspect the connectors for corrosion or damage.
  • Clean the connectors with electrical contact cleaner and a soft brush.
  • Reconnect the sensor and secure the connector properly.

3. Replace the Transmission Range Sensor

  • Locate the Transmission Range Sensor on the transmission.
  • Disconnect the wiring harness from the sensor.
  • Remove the mounting bolts using a socket set.
  • Carefully pull out the old sensor and replace it with the new one.
  • Torque the mounting bolts to the manufacturer's specifications (typically around 8 Nm).
  • Reconnect the wiring harness securely.

4. Refill Transmission Fluid

  • If any fluid was lost during the process, refill the transmission fluid using the specified type (e.g., Porsche ATF).
  • Ensure the fluid level is within the recommended range.

5. Reconnect Battery and Test

  • Reconnect the negative battery terminal.
  • Start the vehicle and allow it to reach operating temperature.
  • Test drive the vehicle to ensure proper shifting and operation.

Verification

After completing the repair, verify that the issue has been resolved:

  • Test the affected component to ensure it functions correctly
  • Check for any error codes or warning lights
  • Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • OBD-II scanner
  • Socket set
  • Multimeter
  • Electrical contact cleaner
  • Torque wrench

Parts Required

  • Transmission Range Sensor
  • Transmission fluid (Porsche ATF)

Additional Information

Error CodeP0708
Component

Transmission

Repair Time

2-4 hours

Difficulty

medium

Severity

high

Tools

5 items

Parts

2 items

Related Faults

  1. why are my parking sensors not working on Porsche Cayenne E3 (2018-Present)

    Learn how to diagnose and fix parking sensors not working on Porsche Cayenne E3 (2018-Present). Step-by-step guide with symptoms and solutions.

    Electrical5 symptoms

  2. Porsche Cayenne E3 (2018-Present) overheating light keeps coming on, what should I check?

    Learn how to diagnose and fix overheating issues in Porsche Cayenne E3 (2018-present). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

    Cooling System6 symptoms

  3. my Porsche Cayenne E3 (2018-Present) AC makes a weird noise when turned on

    Learn how to diagnose and fix unusual AC noise in Porsche Cayenne E3. Step-by-step guide with diagnostic procedures and repair instructions.

    HVAC5 symptoms

  4. how to fix blind spot monitoring issue in Porsche Cayenne E3 (2018-Present)

    Learn how to diagnose and fix blind spot monitoring issues in Porsche Cayenne E3 (2018-Present). Step-by-step guide with symptoms and solutions.

    Electrical5 symptoms

  5. why does my Porsche Cayenne E3 (2018-Present) overheat after driving for a while?

    Learn how to diagnose and fix overheating issues in Porsche Cayenne E3 (2018-Present). Step-by-step guide with diagnostic procedures and repair instructions.

    Cooling System6 symptoms

  6. how to diagnose a fuel pump issue on Porsche Cayenne E3 (2018-Present)?

    Learn how to diagnose and fix fuel pump issues in Porsche Cayenne E3 (2018-Present). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

    Fuel System6 symptoms

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation