2018 Ford GT Tire Pressure Warning Light Stays On

Addressing the Persistent Tire Pressure Warning Light in 2018 Ford GT

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
40% chance it's the
Tire Leaking Air
0%
30% chance it's the
Wheel Leaking Air
0%
15% chance it's the
Tire Pressure Monitoring System
0%
15% chance it's
Something else
The most common reasons a 2018 Ford GT tire pressure warning light stays on are a leaking tire, a wheel that no longer holds air, or a faulty tire pressure monitoring system.
  • Tire Leaking Air: A puncture, valve stem issue, or rim damage can cause a tire to leak air, leading to loss of pressure.
  • Wheel Leaking Air: A puncture or damage to the tire or rim can cause air to leak, resulting in a loss of tire pressure.
  • Tire Pressure Monitoring System: A malfunctioning tire pressure monitoring system can be caused by faulty sensors or a dead battery in the sensor units.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What steps should I take to diagnose the tire pressure warning light issue on my 2018 Ford GT?

When diagnosing the tire pressure warning light issue on your 2018 Ford GT, it's essential to adopt a systematic approach that begins with the simplest solutions before progressing to more complex diagnostics. Start by manually checking the tire pressure of all four tires using a reliable tire pressure gauge, ensuring they meet the recommended levels outlined in your owner's manual. Next, inspect each tire for visible damage, such as punctures or foreign objects that could affect performance. If the tire pressure is correct and the tires appear undamaged, consider resetting the tire pressure monitoring system (TPMS), as it may require recalibration after adjustments. If the warning light remains illuminated, utilize a diagnostic tool to scan for fault codes related to the TPMS, which can pinpoint specific issues. Additionally, check the TPMS sensors for functionality, as faulty sensors can trigger the warning light. If these steps do not resolve the issue, consulting a qualified mechanic or dealership is advisable for a thorough inspection and repair. This methodical approach not only helps in identifying the problem efficiently but also ensures that you cover all bases before seeking professional assistance.

What could cause the tire pressure warning light to stay on in a 2018 Ford GT?

When the tire pressure warning light stays on in a 2018 Ford GT, it’s crucial to understand the common problems that could be causing this issue to ensure your vehicle's safety and performance. The most prevalent reason is low tire pressure, which can be easily checked with a tire pressure gauge; maintaining the recommended pressure in all tires is essential. If the pressure is adequate, the problem may stem from a faulty tire pressure sensor that might need replacement. Additionally, recalibrating the sensors can be necessary, particularly after tire rotations or changes. Electrical faults within the tire pressure monitoring system can also trigger the warning light, which may require a diagnostic check to identify the specific issue. Lastly, ensure that the sensors are free from dirt and debris, as obstructions can interfere with their functionality. By addressing these potential causes, you can effectively troubleshoot and resolve the persistent tire pressure warning light in your Ford GT.

How urgent is it to address the tire pressure warning light on a 2018 Ford GT that stays on?

Addressing the tire pressure warning light on a 2018 Ford GT is an urgent matter that should not be overlooked. When this light remains illuminated, it signals that tire pressure may be dangerously low, which can severely compromise vehicle handling and braking capabilities, increasing the likelihood of accidents. Additionally, driving on underinflated tires accelerates uneven wear, which not only shortens the lifespan of your tires but also raises the risk of a blowout, potentially leading to costly repairs or dangerous situations on the road. Furthermore, low tire pressure can negatively impact fuel efficiency, resulting in higher fuel costs over time. Ignoring this warning could also indicate a malfunction in the Tire Pressure Monitoring System (TPMS), necessitating repairs that could be more expensive if left unaddressed. Therefore, for the safety of yourself and others, as well as to maintain the performance and longevity of your vehicle, it is crucial to take immediate action when the tire pressure warning light stays on.

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2018 Ford GT Tire Pressure Warning Light Causes & Solutions