2019 GMC Yukon Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2019 GMC Yukon

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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 Yukon 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 Yukon 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 Yukon?

To effectively diagnose the tire pressure warning light issue in your 2019 GMC Yukon, begin with a straightforward approach that prioritizes simple checks before moving on to more complex solutions. Start by checking the tire pressure in all four tires using a reliable tire pressure gauge, ensuring that each tire is inflated to the recommended levels outlined in your owner's manual. Next, conduct a visual inspection of the tires for any signs of damage, such as punctures or bulges, which could indicate a leak or other issues. If the tire pressure appears correct and the tires are in good condition, proceed to reset the tire pressure monitoring system as per the instructions in your manual; this step can often clear false alerts. Additionally, inspect the valve stems for any signs of wear or leaks, as these can also contribute to pressure discrepancies. If, after these steps, the warning light remains illuminated, it may be time to consult a professional mechanic or dealership for a thorough diagnosis and repair. By following this methodical approach, you can efficiently identify and address the underlying cause of the tire pressure warning light in your vehicle.

What could be causing the tire pressure warning light to remain on in a 2019 GMC Yukon?

When the tire pressure warning light stays on in a 2019 GMC Yukon, it can signal several common issues that DIYers can address. The first step is to check the tire pressure in all four tires, as low pressure is a frequent cause of the warning light. If the pressure is adequate, the problem may stem from the tire pressure monitoring system (TPMS) sensors, which could be malfunctioning or have dead batteries. Replacing these sensors or their batteries is a manageable task for those with basic automotive knowledge. Additionally, the TPMS may need recalibration to ensure accurate readings, which can sometimes be performed at home with the right equipment. However, if electrical issues within the TPMS system are suspected, diagnosing these problems can be more challenging and may require professional help. By understanding these potential issues, you can effectively troubleshoot the warning light and take the necessary steps to resolve it. If all else fails, seeking assistance from a qualified mechanic is recommended to ensure your vehicle is safe and functioning properly.

How urgent is it to address the tire pressure warning light that stays on in a 2019 GMC Yukon?

Addressing the tire pressure warning light in your 2019 GMC Yukon is not just a matter of convenience; it is a crucial safety concern that requires immediate attention. When this warning light remains illuminated, it signals that your tire pressure may be too low, which can severely compromise your vehicle's handling and braking capabilities. This is particularly dangerous in adverse weather conditions, where the risk of accidents increases significantly. Additionally, neglecting this warning can lead to uneven tire wear, which not only shortens the lifespan of your tires but also raises the likelihood of a blowout while driving. Furthermore, underinflated tires can negatively impact your fuel efficiency, leading to higher fuel costs over time. Lastly, the tire pressure monitoring system (TPMS) itself may be malfunctioning, which could prevent you from receiving alerts about other critical tire issues. Therefore, it is essential to check and adjust your tire pressure promptly or consult a professional if the warning light persists, ensuring both your safety and the longevity of your vehicle.

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