FAULTBASE
Error CodesASKCars
© 2025 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
Home/Cars/Tesla/Model 3/Highland (2024-present)/why does my Tesla Model 3 Highland (2024-present) show C0030 code?

why does my Tesla Model 3 Highland (2024-present) show C0030 code?

Tesla Model 3 Highland (2024-present)

Error Codes
Severity: highDifficulty: mediumError Code: C00301-3 hours
3 min read
478 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 C0030 wheel speed sensor issues in Tesla Model 3 Highland. Step-by-step guide with diagnostic procedures and repair instructions.

Error Code
C0030
Component
Brakes
Repair Time
1-3 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical systems.
  • ⚠Use caution when lifting the vehicle and ensure it is securely supported.

Symptoms

  • •Check engine light illuminated
  • •Erratic speedometer readings
  • •Anti-lock braking system (ABS) warning light activated
  • •Traction control warning light activated
  • •Unresponsive or delayed braking response

Diagnostic Steps

  1. 1Scan the vehicle with an OBD-II scanner to confirm the C0030 code and check for any additional codes.
  2. 2Inspect the wheel speed sensors for visible damage or disconnection at each wheel hub.
  3. 3Examine the wiring harness and connectors associated with the wheel speed sensors for wear, corrosion, or loose connections.
  4. 4Test the resistance of the wheel speed sensors using a multimeter to ensure they are within manufacturer specifications.
  5. 5Inspect the ABS control module for any faults or issues that may contribute to the code being triggered.

Solution

Solution

1. Preparation

  • Gather necessary tools and parts.
  • Disconnect the vehicle battery to prevent electrical short circuits.
  • Allow the vehicle to cool down if it has been recently driven.

2. Inspect and Clean Wheel Speed Sensors

  • Tools Required: Socket set, multimeter, cleaning brush.
  • Remove the wheel on the affected side to access the wheel speed sensor.
  • Unplug the wheel speed sensor connector.
  • Clean the sensor and the mounting area using a cleaning brush to remove any debris.
  • Reconnect the sensor and ensure it is seated properly.

3. Replace Wheel Speed Sensor (if faulty)

  • Tools Required: Socket set, torque wrench.
  • If the sensor is faulty, remove the sensor from the hub using the appropriate socket.
  • Install the new wheel speed sensor, ensuring it is torqued to manufacturer specifications.
  • Reconnect the wiring harness to the new sensor.

4. Reconnect Battery and Clear Codes

  • Reconnect the vehicle battery.
  • Use the OBD-II scanner to clear the C0030 code and any other stored codes.
  • Start the vehicle and allow it to idle for a couple of minutes.

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
  • Multimeter
  • Socket set
  • Torque wrench
  • Cleaning brush

Parts Required

  • Wheel speed sensor (if replacement is necessary)

Additional Information

Error CodeC0030
Component

Brakes

Repair Time

1-3 hours

Difficulty

medium

Severity

high

Tools

5 items

Parts

1 items

Related Faults

  1. why does my Tesla Model 3 Highland (2024-present) make clunking noises over bumps?

    Learn how to diagnose and fix clunking noises in the suspension of Tesla Model 3 Highland. Step-by-step guide with diagnostic procedures and repair instructions.

    Suspension5 symptoms

  2. why do I hear a loud noise from the wheel area in my Tesla Model 3 Highland (2024-present)?

    Learn how to diagnose and fix loud noise from the wheel area in Tesla Model 3 Highland. Step-by-step guide with diagnostic procedures and repair instructions.

    Brakes5 symptoms

  3. how to troubleshoot car pulling to the left on Tesla Model 3 Highland (2024-present)

    Learn how to troubleshoot and fix the pulling sensation to the left in Tesla Model 3. Step-by-step guide with diagnostic steps and repair instructions.

    Suspension5 symptoms

  4. why do I hear a whistling noise from my Tesla Model 3 Highland (2024-present)

    Learn how to diagnose and fix the whistling noise in your 2024 Tesla Model 3 Highland. Step-by-step guide with diagnostic procedures and repair instructions.

    Body/Interior5 symptoms

  5. why does my Tesla Model 3 Highland (2024-present) smell like burnt rubber

    Learn how to diagnose and fix burnt rubber smell in Tesla Model 3 Highland (2024-present). Step-by-step guide with diagnostic procedures and repair instructions.

    Electrical5 symptoms

  6. why do I get a "service required" message on my Tesla Model 3 Highland (2024-present)

    Learn how to diagnose and fix the 'service required' message on your Tesla Model 3 Highland. Step-by-step guide with diagnostic procedures and repair instructions.

    Electrical6 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