how to diagnose tire pressure monitoring system (TPMS) errors in Toyota Camry XV70 (2018-2024)

Toyota Camry XV80 (2025-Present)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

4 min read

615 words

Problem Statement

Learn how to diagnose and fix TPMS errors in Toyota Camry XV70 (2018-2024). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on TPMS sensors to prevent electrical shorts
•Allow tires to cool before checking or adjusting pressure to prevent inaccurate readings

Symptoms

•TPMS warning light illuminated on the dashboard
•Inaccurate tire pressure readings displayed
•Tire pressure light flashing intermittently
•Reduced fuel efficiency (potentially due to under-inflated tires)
•Warning message on the multi-information display

Diagnostic Steps

1
Scan for error codes using OBD-II scanner
2
Examine all tires for visible damage, punctures, or significant wear
3
Use a tire pressure gauge to measure the actual pressure in each tire and compare it with the recommended levels
4
Verify the condition of the TPMS sensors on each wheel; check for corrosion or physical damage
5
Attempt to reset the TPMS using the vehicle’s onboard system to determine if the issue persists
6
Check the battery life of the sensors as they may need replacement
7
Follow the manufacturer's procedure to relearn the tire positions if sensors were replaced

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
•Tire pressure gauge
•Socket set
•Torque wrench
•Flathead screwdriver
•Jack and jack stands

Parts Required

•TPMS sensors (if replacement is necessary)
•Valve stems (if damaged)

Related Faults

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Diagnostic Steps

1
Scan for error codes using OBD-II scanner
2
Examine all tires for visible damage, punctures, or significant wear
3
Use a tire pressure gauge to measure the actual pressure in each tire and compare it with the recommended levels
4
Verify the condition of the TPMS sensors on each wheel; check for corrosion or physical damage
5
Attempt to reset the TPMS using the vehicle’s onboard system to determine if the issue persists
6
Check the battery life of the sensors as they may need replacement
7
Follow the manufacturer's procedure to relearn the tire positions if sensors were replaced

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface.
Safety warning: Ensure the vehicle is in Park (automatic) or Neutral (manual) with the parking brake engaged.

2. Tire Pressure Adjustment

Check and Inflate Tires:
- Use a tire pressure gauge to check each tire’s pressure.
- Inflate tires to the manufacturer’s recommended pressure (found on the driver’s door jamb).

3. Sensor Inspection/Replacement

Remove Wheel Covers (if applicable):
- Use a flathead screwdriver to gently pry off the wheel covers.
Access TPMS Sensors:
- Raise the vehicle using a jack and secure it with jack stands.
- Remove the wheel nuts using a socket wrench and take off the wheel.
Inspect/Replace TPMS Sensors:
- Check the condition of the TPMS sensor; if damaged, replace it.
- To replace, remove the old sensor from the valve stem and install the new one according to the manufacturer’s specifications.

4. Relearn TPMS Sensors

Perform Relearn Procedure:
- Depending on the model, either drive the car at 25 mph for 10 minutes or use a TPMS tool to initiate the relearning process.

5. Reset TPMS

Reset System:
- Turn on the ignition without starting the engine.
- Press and hold the TPMS reset button (usually located under the steering column) until the TPMS light blinks three times, then release it.