why does my Toyota Corolla E170 (2013-2019) tire pressure light stay on?

Toyota Corolla E170 (2013-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

497 words

Problem Statement

Learn how to diagnose and fix the tire pressure light issue in your 2013-2019 Toyota Corolla E170. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always park the vehicle on a flat surface before working on tires.
•Ensure the vehicle is securely lifted with jack stands before working underneath.

Symptoms

•Tire pressure warning light on the dashboard
•Uneven tire wear
•Loss of handling or stability while driving
•Tire deflation or flat tires
•Increased fuel consumption

Diagnostic Steps

1
Inspect each tire visually for signs of damage or deflation.
2
Check the tire pressures using a reliable tire pressure gauge.
3
Reset the TPMS by following the manufacturer's reset procedure.
4
Scan the vehicle's computer system for any error codes related to the TPMS using an OBD-II scanner.
5
Examine the TPMS sensors for damage or malfunction.
6
Verify if the tire pressure light resets after adjusting tire pressures to the recommended levels.

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

•Tire pressure gauge
•OBD-II scanner
•Jack
•Jack stands
•Lug wrench

Parts Required

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

Related Faults

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Diagnostic Steps

1
Inspect each tire visually for signs of damage or deflation.
2
Check the tire pressures using a reliable tire pressure gauge.
3
Reset the TPMS by following the manufacturer's reset procedure.
4
Scan the vehicle's computer system for any error codes related to the TPMS using an OBD-II scanner.
5
Examine the TPMS sensors for damage or malfunction.
6
Verify if the tire pressure light resets after adjusting tire pressures to the recommended levels.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the tires are cool.
Tools Required: Tire pressure gauge, OBD-II scanner, jack, jack stands.

2. Inspect and Inflate Tires

Sub-steps:
- Use the tire pressure gauge to check the pressure of each tire, including the spare.
- Inflate any under-inflated tires to the manufacturer's recommended pressure (usually found on the driver’s door jamb).
- If any tires are over-inflated, release air until the correct pressure is achieved.

3. Reset the TPMS

Sub-steps:
- Turn the ignition to the ON position without starting the engine.
- Locate the TPMS reset button (usually under the steering column) and press it until the tire pressure light blinks three times.
- Start the vehicle and allow it to run for a few minutes to verify the reset.

4. Replace Faulty TPMS Sensors (if necessary)

Sub-steps:
- Lift the vehicle using a jack and secure it with jack stands.
- Remove the tire from the wheel using a lug wrench.
- Replace the TPMS sensor by removing it from the valve stem and installing a new sensor according to the manufacturer's instructions.
- Reassemble the tire and wheel, ensuring proper torque specifications for lug nuts.