Chevrolet Blazer Tire Pressure Warning Light Stays On

Common Causes for the Tire Pressure Warning Light in Your Chevrolet Blazer and How to Resolve Them

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Reviewed by
Aisha
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 Chevrolet Blazer 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 Chevrolet Blazer 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.

Troubleshooting Tire Pressure Warning Light in a Chevrolet Blazer

When faced with a tire pressure warning light in your Chevrolet Blazer, the first step is to check the tire pressure in all four tires using a reliable tire pressure gauge. This simple action can often resolve the issue if the pressure is found to be low. If the tire pressure is correct, the next step is to reset the Tire Pressure Monitoring System (TPMS) light. This can typically be done by turning the ignition to the "On" position without starting the engine and pressing the TPMS reset button until the light blinks three times. Alternatively, driving at 50 mph for about 10 minutes can also help reset the system. If the light remains on after these steps, it may be necessary to use a TPMS scanner or tool to diagnose any underlying issues with the sensors. Understanding that the TPMS light serves as an important indicator of tire health is crucial; it alerts you to significant discrepancies in tire pressure that could affect vehicle safety and performance. By following these troubleshooting steps, you can effectively manage the tire pressure warning light and ensure your Chevrolet Blazer remains safe and roadworthy.

What to Do When the Tire Pressure Warning Light Stays On in a Chevrolet Blazer?

When the tire pressure warning light stays on in your Chevrolet Blazer, it’s important to identify and address the underlying issues to ensure safe driving. One of the most common problems is low tire pressure, which can be caused by temperature fluctuations or slow leaks. Regularly checking your tire pressure and maintaining it at the recommended levels is essential for optimal vehicle performance and safety. If the tire pressure is correct but the warning light remains illuminated, you may need to reset the Tire Pressure Monitoring System (TPMS). This process is typically straightforward and involves turning the ignition to the "On" position and pressing the TPMS reset button. Additionally, driving at speeds of 50 mph or higher for about 10 minutes can help recalibrate the system. If these methods do not resolve the issue, inspect your tires for any signs of damage or punctures that could be causing the warning light to activate. In some cases, a faulty TPMS sensor may be the issue, which would require professional attention. By understanding these common problems, you can effectively troubleshoot the tire pressure warning light in your Chevrolet Blazer and maintain a safe driving experience.

Why is the Tire Pressure Warning Light Staying On in a Chevrolet Blazer?

When the Tire Pressure Warning Light remains illuminated in your Chevrolet Blazer, it is crucial to address the situation promptly to ensure your safety on the road. Low tire pressure is a common culprit, which can lead to decreased traction and increased tire wear, posing a significant risk while driving. Additionally, a malfunctioning TPMS sensor may falsely indicate a problem, leaving you unaware of actual tire conditions. Ignoring this warning could result in tire blowouts or accidents. If you have confirmed that your tire pressures are within the recommended range, consider resetting the TPMS, as some models require this step after adjustments. Taking immediate action not only enhances your vehicle's performance but also safeguards your well-being and that of others on the road.

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