why does my Ford F-150 13th Generation (2015-2020) tire pressure light keep coming on

Ford F-150 13th Generation (2015-2020)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

536 words

Problem Statement

Learn how to diagnose and fix the tire pressure light issue in Ford F-150 (2015-2020). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Suspension

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always ensure the vehicle is securely supported when lifting with a jack.
•Allow tires to cool before checking pressure to avoid inaccurate readings.

Symptoms

•Tire pressure warning light illuminated on the dashboard
•Fluctuating tire pressures detected during manual checks
•Uneven tire wear observed on one or more tires
•Possible decrease in fuel efficiency
•Rough ride or loss of handling stability

Diagnostic Steps

1
Scan the vehicle's onboard computer using an OBD-II scanner to check for TPMS-related trouble codes.
2
Manually check the tire pressures of all four tires, including the spare tire if equipped with TPMS.
3
Inspect each tire for visible damage, punctures, or leaks.
4
Check the condition and functionality of the TPMS sensors, including battery life if applicable.
5
Reset the TPMS system according to manufacturer specifications after adjusting tire pressures.

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 and jack stands
•Soapy water solution for leak detection

Parts Required

•Replacement tires
•TPMS sensors

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Diagnostic Steps

1
Scan the vehicle's onboard computer using an OBD-II scanner to check for TPMS-related trouble codes.
2
Manually check the tire pressures of all four tires, including the spare tire if equipped with TPMS.
3
Inspect each tire for visible damage, punctures, or leaks.
4
Check the condition and functionality of the TPMS sensors, including battery life if applicable.
5
Reset the TPMS system according to manufacturer specifications after adjusting tire pressures.

Solution

1. Preparation

Gather necessary tools and ensure the vehicle is parked on a level surface.
Tools required: Tire pressure gauge, OBD-II scanner, jack and jack stands (if necessary).

2. Check Tire Pressure

Sub-steps:
1. Use a tire pressure gauge to measure the pressure in each tire.
2. Compare the readings to the recommended tire pressures found on the driver’s door jamb sticker.
3. Inflate or deflate tires to achieve the recommended pressure.

3. Inspect and Repair Tires

Sub-steps:
1. Visually inspect each tire for cracks, bulges, or foreign objects.
2. If damage is found, consider patching or replacing the tire as necessary.
3. Check for leaks by applying soapy water around the tire bead and valve stem; bubbles will indicate leaks.

4. Check TPMS Sensors

Sub-steps:
1. Remove the tire from the wheel (if necessary) to access the TPMS sensor.
2. Inspect the sensor for corrosion or damage; replace if faulty.
3. If equipped with battery-operated sensors, check battery life and replace if low.

5. Reset TPMS

Sub-steps:
1. Follow the manufacturer's procedure to reset the TPMS, usually involving the ignition switch or a specific button sequence.
2. Drive the vehicle for a short distance to allow the system to recalibrate.
3. Verify that the tire pressure light has turned off.