2019 GMC Sierra 2500 HD Tire Pressure Warning Light Stays On

Tire Pressure Warning Light in 2019 GMC Sierra 2500 HD: Causes and Solutions

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Reviewed by
Bo Fader
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 2019 GMC Sierra 2500 HD 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.

How much does it cost to fix a 2019 GMC Sierra 2500 HD tire pressure warning light stays on?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

When a tire pressure monitoring sensor fails, the tire pressure monitoring system control module will recognize a loss in communication and turn on the warning lamp which indicates the failure. This is most often the case. However, the tire pressure monitoring sensor may also fail by reporting incorrect tire pressures. This could cause a flat tire to go unrecognized, or a properly inflated tire to signal a low or high tire pressure warning.

When a relearn is needed, for any reason, the TPMS warning light will illuminate, and many vehicles will display a message relating to the TPMS system being inoperative or loosing communication. It is important to keep a watchful eye on tire pressures when this system is having issues because there is no warning available for underinflation or overinflation of the tires.

Wheels offer very few symptoms, but these symptoms should never be ignored. Visible cracks on the wheels may appear, especially after hitting a large bump, Most often, this will also be accompanied by loss of air from the tire on that wheel. Also, vibration in the steering wheel is very common when the tire is out of balance, and improper wheel nuts or bolts can cause creaking and popping noises to develop. Again, there are very few symptoms, but they should not be ignored.

The only symptoms requiring diagnosis for the tire pressure monitoring system warning lamp is if the warning lamp has illuminated while the tires have correct air pressure, or if the air pressure for the tires is out of specification and the warning lamp is off. This is because the overwhelming majority of cases where the TPMS lamp illuminates is due to the change in ambient temperature.

What steps should I take to diagnose the tire pressure warning light issue in my 2019 GMC Sierra 2500 HD?

To effectively diagnose the tire pressure warning light issue in your 2019 GMC Sierra 2500 HD, begin with a thorough check of the tire pressure in all tires, including the spare. Utilizing a tire pressure gauge, ensure that each tire is inflated to the specifications outlined in your owner's manual, as improper inflation is a common cause of warning lights. Next, inspect the tires for any visible damage such as punctures, cuts, or bulges, and look for any foreign objects that may be causing air loss. If the tire pressure is correct and the tires appear undamaged, proceed to reset the tire pressure monitoring system (TPMS) according to the instructions in your manual, as this can often resolve minor issues. However, if the warning light remains illuminated, it may indicate a deeper problem with the TPMS sensors or valves, necessitating a professional inspection. Should any components be found faulty during this assessment, replacing them will be essential to restore proper functionality and ensure your vehicle's safety on the road. By following this diagnostic approach, you can systematically address the tire pressure warning light concern and maintain optimal vehicle performance.

What could cause the tire pressure warning light to remain on in a 2019 GMC Sierra 2500 HD?

When the tire pressure warning light remains on in your 2019 GMC Sierra 2500 HD, it’s essential to identify the underlying issues that may be causing this alert. The most frequent reason is low tire pressure, which can be easily checked and adjusted to meet the recommended specifications. If the tire pressure is adequate, consider the possibility of a faulty tire pressure sensor, which may need replacement if it’s malfunctioning. Additionally, sensor calibration issues can lead to incorrect readings, so recalibrating the sensors might be necessary to ensure they function correctly. Electrical problems within the tire pressure monitoring system can also contribute to the warning light staying on, making it important to inspect for any wiring faults. Lastly, a system reset can sometimes clear false alerts, effectively turning off the warning light. By methodically addressing these common problems, you can troubleshoot and potentially resolve the issue of the tire pressure warning light in your vehicle.

What immediate steps should be taken to address the tire pressure warning light on a 2019 GMC Sierra 2500 HD?

When the tire pressure warning light illuminates on your 2019 GMC Sierra 2500 HD, it is crucial to act promptly to avoid serious safety risks and potential damage to your vehicle. Ignoring this warning can lead to decreased traction, increased tire wear, and even tire blowouts, which can compromise your safety on the road. Start by checking the tire pressure of all tires, including the spare, using a reliable tire pressure gauge. If you find any tires are underinflated, inflate them to the recommended levels as specified in your owner's manual. Additionally, inspect each tire for visible damage such as punctures or bulges, as these can exacerbate the problem and require immediate attention. Once you have ensured that all tires are properly inflated and in good condition, reset the tire pressure monitoring system to clear the warning light. By taking these steps, you not only enhance your vehicle's performance but also ensure a safer driving experience.

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