Are there any reported issues with the electronic stability control in the 2020 Highlander?

Reported Issues with Electronic Stability Control in the 2020 Toyota Highlander

Overview

The Electronic Stability Control (ESC) system is vital for maintaining vehicle stability, especially during adverse driving conditions. While the 2020 Toyota Highlander is generally well-regarded, some owners have reported issues with the ESC system.

Repair Instructions

1. Repair or Replace Faulty Sensors:

   • If any wheel speed sensors are found to be defective, replace them.
   • Ensure to clear the DTCs after replacement.

2. Repair Wiring Issues:

   • If any damaged wiring or connectors are found during the visual inspection, repair or replace them as necessary.

3. Update Software:

   • Tools Required: Toyota Techstream or equivalent software.
   • If the ESC system has a software glitch, ensure the vehicle's software is updated to the latest version as provided by Toyota.

4. Brake System Repair:

   • If brake issues are found, repair or replace the affected components, including pads, rotors, or the master cylinder.

5. Calibration:

   • After repairs, calibrate the ESC system using a scan tool to ensure it operates correctly.

6. Test Drive:

   • Perform a test drive to ensure the ESC system functions correctly under various driving conditions.

Conclusion

If you are experiencing ESC issues with your 2020 Toyota Highlander, following these diagnostic and repair steps should help identify and resolve the problem effectively. If issues persist after completing these steps, consider seeking assistance from a qualified Toyota technician or dealership, as further diagnosis may be necessary.