2021 Chevrolet Express 2500 Tire Pressure Warning Light Stays On

Address Tire Pressure Warning Light in 2021 Chevrolet Express 2500: Causes and Solutions

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Reviewed by
Devin Cabugcal
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 2021 Chevrolet Express 2500 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 2021 Chevrolet Express 2500 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.

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 on my 2021 Chevrolet Express 2500?

To effectively diagnose the tire pressure warning light issue on your 2021 Chevrolet Express 2500, begin with a thorough assessment of the tire pressure in all four tires. Utilize a reliable tire pressure gauge to ensure that each tire is inflated to the recommended PSI, which can be found in your owner's manual or on the sticker located on the driver's side door jamb. Next, conduct a visual inspection of each tire for any signs of damage, such as punctures, cuts, or bulges that could lead to air loss. Additionally, check for leaks by examining the tires and valve stems closely; a simple mixture of soap and water can help reveal any escaping air, as bubbles will form at the leak site. If the tire pressure appears correct and no visible damage is found, consider resetting the tire pressure monitoring system (TPMS) as it may require recalibration. Instructions for this process can typically be found in your owner's manual. However, if the warning light remains illuminated despite these efforts, it may be prudent to consult a mechanic or dealership for a professional evaluation and repair. By following this diagnostic approach, you can systematically address the issue and ensure your vehicle's safety on the road.

What could cause the tire pressure warning light to stay on in a 2021 Chevrolet Express 2500?

When the tire pressure warning light stays on in a 2021 Chevrolet Express 2500, it signals potential issues that need immediate attention. The most common culprit is low tire pressure, which can result from natural air loss or punctures; therefore, regularly checking and inflating your tires to the recommended levels is essential for safe driving. If the tire pressure is adequate, the problem may stem from a faulty tire pressure sensor that might need replacement. Additionally, sensor calibration issues can occur, requiring a reset to ensure accurate readings. Electrical problems, such as damaged wiring or blown fuses, can also trigger the warning light, making it necessary to inspect the vehicle's electrical system thoroughly. In some cases, a malfunction within the tire pressure monitoring system itself may be responsible, which could necessitate professional diagnosis and repair. Promptly addressing these issues is crucial for maintaining vehicle safety and performance; if the warning light remains illuminated after checking these factors, it is wise to consult a qualified mechanic for further assistance.

How urgent is it to address the tire pressure warning light on a 2021 Chevrolet Express 2500?

Addressing the tire pressure warning light on a 2021 Chevrolet Express 2500 is of utmost urgency due to the significant safety risks and potential vehicle damage associated with neglecting this warning. When the tire pressure is not within the recommended range, it can severely compromise handling and braking, leading to dangerous driving conditions. Additionally, improper tire pressure can accelerate tire wear and diminish fuel efficiency, resulting in higher costs over time. The Tire Pressure Monitoring System (TPMS) serves as an essential safety feature, alerting drivers to any discrepancies in tire pressure; ignoring this alert can lead to further tire damage or even a blowout, which poses a serious risk to both the driver and others on the road. Chevrolet emphasizes the importance of promptly addressing any tire pressure warnings to maintain optimal vehicle performance and safety standards. Therefore, it is crucial to check and adjust tire pressure immediately to avoid these potential hazards and ensure a safe driving experience.

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