What should I do if the tire pressure monitoring system is malfunctioning in my 2020 Highlander?

Toyota Highlander Fourth Generation (2020-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

Error Code: C2201, C2202

4 min read

611 words

Problem Statement

Learn how to diagnose and repair the Tire Pressure Monitoring System (TPMS) malfunction in your 2020 Toyota Highlander with our step-by-step guide.

Error Code

C2201, C2202

Affected Component

Tire Pressure Monitoring System (TPMS)

Estimated Time

1-2 hours

Symptoms

•TPMS warning light illuminated on the dashboard
•Inconsistent or incorrect tire pressure readings on the display
•Warning light remains on after checking and adjusting tire pressures
•Vehicle may exhibit a rough ride if tires are underinflated

Diagnostic Steps

1
Inspect all tires for visible damage, punctures, or signs of deflation
2
Check all tire valve stems for damage or leaks
3
Ensure the tires are properly inflated according to the specifications in the owner’s manual
4
Use an OBD-II scanner to check for any fault codes related to the TPMS
5
Use a TPMS tool to read the individual tire pressures as detected by the TPMS sensors
6
Reset the TPMS by turning the ignition to the 'On' position and pressing the TPMS reset button

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
•Digital Tire Pressure Gauge
•TPMS Tool
•Tire Inflator
•Basic Hand Tools

Related Faults

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Diagnostic Steps

1
Inspect all tires for visible damage, punctures, or signs of deflation
2
Check all tire valve stems for damage or leaks
3
Ensure the tires are properly inflated according to the specifications in the owner’s manual
4
Use an OBD-II scanner to check for any fault codes related to the TPMS
5
Use a TPMS tool to read the individual tire pressures as detected by the TPMS sensors
6
Reset the TPMS by turning the ignition to the 'On' position and pressing the TPMS reset button

Solution

Tire Pressure Monitoring System (TPMS) Malfunction in 2020 Toyota Highlander

Symptoms of a Malfunctioning TPMS:

TPMS warning light illuminated on the dashboard.
Inconsistent or incorrect tire pressure readings on the display.
Warning light remains on after checking and adjusting tire pressures.
Vehicle may exhibit a rough ride if tires are underinflated.

Tools Required

OBD-II Scanner
Digital Tire Pressure Gauge
TPMS Tool (if needed)
Tire Inflator (if necessary)
Basic Hand Tools (if sensor replacement is required)

Repair Instructions

Step 1: Tire Inspection and Inflation

Action: Inspect each tire and inflate to the recommended pressure.
How to:
1. Use a digital tire pressure gauge to check the pressure of all four tires.
2. If any tires are underinflated, use a tire inflator to bring them to the recommended PSI.

Step 2: Sensor Check

Action: If the TPMS warning persists, inspect the tire pressure sensors.
How to:
1. Remove the tire from the wheel using a tire iron and jack.
2. Inspect the TPMS sensor for damage or corrosion.
3. Check the battery status; if the sensor is over 5 years old, the battery may need replacement.

Step 3: Sensor Replacement (if necessary)

Action: Replace any faulty TPMS sensors.
How to:
1. If the sensor is damaged, remove the old sensor from the wheel by unscrewing it.
2. Install the new sensor according to the manufacturer's instructions. Ensure the rubber grommet is intact and properly seated.
3. Reinstall the tire back onto the wheel and inflate to the correct pressure.

Step 4: Relearn Procedure

Action: Perform the relearn procedure if sensors were replaced.
How to:
1. Turn the ignition to the "On" position (do not start the engine).
2. Use the TPMS tool to initiate the relearn process.
3. Follow the tool's instructions to activate each sensor.

Final Steps

After completing the repair and relearn process, clear any fault codes using the OBD-II scanner.
Drive the vehicle for a short distance to ensure the TPMS warning light goes off and that the system is functioning correctly.

Conclusion

If after following all these steps the TPMS is still malfunctioning, it may be necessary to take the vehicle to a qualified technician or dealership for further diagnosis and potential replacement of the TPMS control module. Always refer to the vehicle's service manual for specific procedures and specifications.