2021 Audi SQ5 Sportback Tire Pressure Warning Light Stays On

Tire Pressure Warning Light Issues in 2021 Audi SQ5 Sportback: 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 2021 Audi SQ5 Sportback 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 Audi SQ5 Sportback 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 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 on my 2021 Audi SQ5 Sportback?

To effectively diagnose the tire pressure warning light issue on your 2021 Audi SQ5 Sportback, begin with a thorough check of the tire pressure across all four tires using a reliable tire pressure gauge. This initial step is crucial as it ensures that the tire pressure aligns with the specifications outlined in your vehicle's manual, which can often resolve the warning light if the pressure is simply low. Next, conduct a visual inspection of each tire for any signs of damage, such as punctures, cuts, or bulges, and remove any foreign objects that may be lodged in the treads. If the tire pressure is correct and the tires appear undamaged, the next step is to reset the tire pressure monitoring system (TPMS), as sometimes the system may require a reset to clear any false warnings. Refer to your vehicle's manual for specific instructions on how to perform this reset. If, after these steps, the warning light remains illuminated, it may indicate a more complex issue that requires professional attention, so consider visiting a qualified mechanic or an authorized Audi service center for a comprehensive diagnosis and repair. By following this diagnostic approach, you can systematically address the tire pressure warning light issue and ensure your vehicle's safety and performance.

What could be causing the tire pressure warning light to stay on in a 2021 Audi SQ5 Sportback?

When the tire pressure warning light stays illuminated in a 2021 Audi SQ5 Sportback, it signals that there may be underlying issues that require attention. One of the most common problems is low tire pressure, which can easily be checked and corrected by inflating the tires to the recommended levels. If the pressure is adequate, the next step is to investigate the tire pressure sensor itself, as a malfunctioning sensor can lead to false warnings. Additionally, if the vehicle has recently undergone tire changes or rotations, recalibrating the sensors may be necessary to ensure accurate readings. It's also important to inspect the tires for any leaks or punctures, as even minor damage can cause pressure loss. Lastly, checking the wiring and connections related to the tire pressure monitoring system can help identify any faults that may be causing the warning light to remain on. By methodically addressing these common issues, you can effectively troubleshoot the warning light and maintain your vehicle's safety and performance.

What should I do if the tire pressure warning light stays on in my 2021 Audi SQ5 Sportback?

When the tire pressure warning light stays illuminated in your 2021 Audi SQ5 Sportback, it is essential to act quickly to ensure your safety and prevent potential damage to your vehicle. Neglecting this warning can lead to dangerous driving conditions, such as decreased traction and increased tire wear, which may result in costly repairs. Begin by checking the tire pressure in all four tires, including the spare, using a reliable gauge to ensure they are inflated to the manufacturer's recommended levels. If you discover any underinflated tires, inflate them to the correct pressure to restore optimal performance. Additionally, carefully inspect each tire for any visible damage, such as punctures or cuts, which could be causing air loss. If you identify any issues, it is crucial to repair or replace the affected tires promptly. After making these adjustments, you may need to reset the tire pressure monitoring system; consult your vehicle's manual for specific instructions on how to do this. If the warning light remains on despite your efforts, it may indicate a more serious issue with the monitoring system itself, which would require a visit to a qualified mechanic or Audi service center. By taking these proactive steps, you not only enhance your safety on the road but also help prevent further complications and expenses in the future.

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