FAULTBASE
Error CodesASKCars
© 2025 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
Home/Cars/Tesla/Model S/Plaid/Refresh (2021-present)/what does C0031 code mean on Tesla Model S Original (2012-2020)

what does C0031 code mean on Tesla Model S Original (2012-2020)

Tesla Model S Plaid/Refresh (2021-present)

Error Codes
Severity: highDifficulty: mediumError Code: C00311-2 hours
3 min read
489 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 to diagnose and fix C0031 code related to left front wheel speed sensor on Tesla Model S. Step-by-step guide with symptoms and solutions.

Error Code
C0031
Component
Brakes
Repair Time
1-2 hours

Safety Warnings

  • ⚠Disconnect the 12V battery before working on electrical components.
  • ⚠Ensure the vehicle is securely supported if lifted for wheel removal.

Symptoms

  • •ABS warning light illuminated on the dashboard
  • •Traction control warning light activated
  • •Erratic or non-functioning speedometer
  • •Vehicle stability system malfunctions
  • •Increased stopping distance or braking performance issues

Diagnostic Steps

  1. 1Scan the vehicle using an OBD-II scanner to confirm the C0031 code.
  2. 2Inspect the left front wheel speed sensor visually for damage or disconnection.
  3. 3Check the wiring harness and connector for signs of wear, corrosion, or broken wires.
  4. 4Measure the resistance of the wheel speed sensor using a multimeter to ensure it is within the manufacturer’s specified range.
  5. 5Examine the ABS control module for any stored fault codes or irregularities.
  6. 6Test the operation of the wheel speed sensor while the vehicle is in motion to see if the signal is being transmitted correctly.

Solution

Solution

1. Preparation

  • Gather necessary tools and park the vehicle on a flat surface.
  • Disconnect the 12V battery to ensure safety during repairs.

2. Inspect and Replace Wheel Speed Sensor

  • Tools Required: Socket set, torque wrench, multimeter, wire connectors, dielectric grease
  • Remove the wheel for better access to the sensor.
  • Disconnect the electrical connector from the left front wheel speed sensor.
  • Use a socket set to remove the sensor from its mounting location.
  • Inspect the old sensor for signs of physical damage or wear.

3. Install New Wheel Speed Sensor

  • Insert the new wheel speed sensor in the mounting location and tighten it to the manufacturer’s torque specifications.
  • Reconnect the electrical connector ensuring a secure fit.
  • Apply dielectric grease to the connector to prevent corrosion.

4. Reassemble and Reset System

  • Reinstall the wheel and torque the lug nuts to the specified settings.
  • Reconnect the 12V battery.
  • Use the OBD-II scanner to clear the C0031 code and any other related fault codes.

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
  • Torque wrench
  • Multimeter
  • Wire connectors
  • Dielectric grease

Parts Required

  • Left front wheel speed sensor

Additional Information

Error CodeC0031
Component

Brakes

Repair Time

1-2 hours

Difficulty

medium

Severity

high

Tools

6 items

Parts

1 items

Related Faults

  1. how to fix the CVT slipping problem in my Tesla Model S Plaid/Refresh (2021-present)

    Learn how to diagnose and fix CVT slipping issues in Tesla Model S Plaid (2021-present). Step-by-step guide with diagnostic procedures and repair instructions.

    Transmission5 symptoms

  2. my Tesla Model S has a check battery message what does that mean

    Learn how to diagnose and fix the 'Check Battery' message in Tesla Model S. Step-by-step guide with diagnostic procedures and repair instructions.

    Electrical6 symptoms

  3. how to fix delayed engagement in Tesla Model S Plaid/Refresh (2021-present) transmission?

    Learn how to diagnose and fix delayed engagement in Tesla Model S Plaid transmission. Step-by-step guide with diagnostic procedures and repair instructions.

    Transmission5 symptoms

  4. why does my Tesla Model S have a hard steering when parked

    Learn how to diagnose and fix hard steering issues in Tesla Model S. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

    Steering5 symptoms

  5. my Tesla Model S has a hard time starting what's wrong

    Learn how to diagnose and fix starting issues in Tesla Model S. Step-by-step guide with symptoms, diagnostic steps, tools, and repair instructions.

    Electrical5 symptoms

  6. how to troubleshoot the delayed engagement in my Tesla Model S Plaid/Refresh (2021-present)

    Learn how to troubleshoot and fix delayed engagement issues in Tesla Model S Plaid (2021-present). Step-by-step guide with diagnostic and repair instructions.

    Transmission5 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