FAULTBASE
Error CodesASKCars
© 2026 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
How to troubleshoot the tire pressure monitoring system in a 2021 Toyota Highlander? - Toyota Highlander
Home/Cars/Toyota/Highlander/Fourth Generation (2020-present)/How to troubleshoot the tire pressure monitoring system in a 2021 Toyota Highlander?

How to troubleshoot the tire pressure monitoring system in a 2021 Toyota Highlander?

Toyota Highlander Fourth Generation (2020-present)

Error Codes
1-2 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
4 min read
637 words

Problem Statement

Learn how to troubleshoot and resolve issues with the Tire Pressure Monitoring System (TPMS) in your 2021 Toyota Highlander with step-by-step guidance.

Affected Component
Tire Pressure Monitoring System (TPMS)
Estimated Time
1-2 hours

Symptoms

  • •TPMS Warning Light On
  • •Inaccurate Tire Pressure Readings
  • •No TPMS Display
  • •Intermittent TPMS Warning

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

  • •Manual tire pressure gauge
  • •TPMS Reset Tool (optional)
  • •OBD-II Scanner
  • •Tire Pressure Monitor Sensor Tool or TPMS Tool
  • •Jack and Jack Stands
  • •Torque Wrench
  • •TPMS Sensor Replacement Kit
  • •Tire Changing Equipment

Additional Information

Affected Component
Tire Pressure Monitoring System (TPMS)
Estimated Time
1-2 hours
Difficulty
medium
Severity
medium
Tools Required
8 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

Troubleshooting the Tire Pressure Monitoring System (TPMS) in a 2021 Toyota Highlander

The Tire Pressure Monitoring System (TPMS) is crucial for maintaining proper tire pressure and ensuring vehicle safety. If you're experiencing issues with the TPMS in your 2021 Toyota Highlander, follow these detailed steps to diagnose and potentially resolve the problem.

Step 1: Visual Inspection

Tools Required: None

  1. Check Tire Condition: Inspect each tire for visible damage, punctures, or irregular wear.
  2. Check Valve Stems: Look for any damage or leaks at the valve stems where the TPMS sensors are located.
  3. Inspect Tire Pressure: Use a manual tire pressure gauge to check each tire's pressure against the recommended specification (found on the driver’s door jamb).
Step 2: Reset the TPMS

Tools Required: TPMS Reset Tool (optional)

  1. Ensure Proper Tire Pressure: Adjust all tires to the recommended pressure.
  2. Turn the Ignition On (do not start the engine).
  3. Locate the TPMS Reset Button: This is typically found beneath the steering wheel or in the glove compartment.
  4. Press and Hold the TPMS Reset Button until the TPMS light blinks three times and then release the button.
  5. Start the Engine and drive for about 10 minutes to allow the system to recalibrate.
Step 3: Scan for Diagnostic Trouble Codes (DTCs)

Tools Required: OBD-II Scanner

  1. Connect the OBD-II Scanner: Plug the scanner into the vehicle’s OBD-II port, usually located under the dashboard near the driver's seat.
  2. Turn the Ignition On: Do not start the engine.
  3. Scan for Codes: Use the scanner to check for any TPMS-related DTCs.
  4. Record the Codes: Note any relevant codes for further research.
Step 4: Inspect the TPMS Sensors

Tools Required: Tire Pressure Monitor Sensor Tool or TPMS Tool, Jack and Jack Stands, Torque Wrench

  1. Lift the Vehicle: Use a jack to raise the vehicle and secure it with jack stands.
  2. Remove the Tires: Use a tire iron to remove the lug nuts and take off the tires.
  3. Access the TPMS Sensors:
    • The TPMS sensors are attached to the valve stems of the tires.
    • Inspect each sensor for physical damage or corrosion.
  4. Check Sensor Battery: If the vehicle is equipped with sensors that have replaceable batteries, check if the battery is dead (usually a 3V CR2032 battery).
  5. Reinstall Tires: Torque the lug nuts to the manufacturer’s specifications (typically 80-100 ft-lbs for most Toyota applications).
Step 5: Replace Faulty Sensors if Necessary

Tools Required: TPMS Sensor Replacement Kit, Tire Changing Equipment

  1. Remove the Old Sensors: If a sensor is faulty, remove it from the valve stem.
  2. Install New Sensors: Follow the instructions provided with the new TPMS sensors for installation.
  3. Re-inflate Tires: Ensure tire pressures are set to the recommended levels after reinstallation.
  4. Perform a TPMS Reset as described in Step 2.
Step 6: Test Drive
  1. Start the Vehicle: Ensure the TPMS warning light is off.
  2. Drive the Vehicle: Drive for 10-15 minutes to allow the system to reset and check for any warning lights.
Conclusion

If the TPMS warning light remains illuminated or if you encounter further issues, it may be necessary to consult a professional technician or visit a Toyota dealership. They can perform advanced diagnostics and repairs to ensure the TPMS and overall vehicle safety are restored. Always ensure to maintain proper tire pressure for optimal performance and safety.