FAULTBASE
Error CodesASKCars
© 2026 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
how to fix the traction control light on my Toyota Highlander XU70 (2020-Present) - Toyota Highlander
Home/Cars/Toyota/Highlander/XU70 (2020-Present)/how to fix the traction control light on my Toyota Highlander XU70 (2020-Present)

how to fix the traction control light on my Toyota Highlander XU70 (2020-Present)

Toyota Highlander XU70 (2020-Present)

Error Codes
2-4 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
509 words

Problem Statement

Learn how to diagnose and fix the traction control light issue in your 2020-present Toyota Highlander XU70. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component
Electrical
Estimated Time
2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical systems.
  • •Ensure the vehicle is securely lifted if removing wheels.

Symptoms

  • •Traction control light illuminated on the dashboard
  • •Reduced acceleration performance
  • •Engine power being intermittently cut during acceleration
  • •Unresponsive traction control system when activated
  • •Possible ABS warning light illuminated

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

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
  • •Wrench set
  • •Brake fluid tester

Parts Required

  • •Wheel speed sensors (if needed)
  • •Traction control switch (if needed)
  • •Brake fluid

Additional Information

Affected Component
Electrical
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
5 items
Parts Required
3 items

Related Faults

Loading...

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
Solution
1. Preparation
  • Gather necessary tools and parts.
  • Ensure the vehicle is parked on a level surface and the ignition is off.
  • Disconnect the battery before working on electrical components.
2. Inspect Wheel Speed Sensors
  • Tools Required: Multimeter, socket set
  • Remove the wheels to access the wheel speed sensors.
  • Disconnect the electrical connector from each wheel speed sensor.
  • Use a multimeter to test the sensor resistance; replace any sensors showing abnormal readings.
  • Clean any dirt or debris from the sensor area and reconnect.
3. Check Brake System
  • Tools Required: Brake fluid tester, wrench set
  • Inspect the brake fluid reservoir and ensure it is at the proper level.
  • If low, top off with manufacturer-recommended brake fluid.
  • Inspect brake lines for leaks and ensure all connections are secure.
4. Test Traction Control Switch
  • Tools Required: Multimeter
  • Locate the traction control switch on the dashboard.
  • Use a multimeter to check for continuity when the switch is pressed.
  • Replace the switch if it does not show continuity.
5. Clear Error Codes
  • Tools Required: OBD-II scanner
  • Reconnect the battery.
  • Use an OBD-II scanner to clear any diagnostic trouble codes.
  • Perform a test drive to ensure the traction control light remains off.