2020 Audi Q5 PHEV Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2020 Audi Q5 PHEV

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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 2020 Audi Q5 PHEV 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 2020 Audi Q5 PHEV 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 are the initial steps to diagnose the tire pressure warning light on a 2020 Audi Q5 PHEV?

To effectively diagnose the tire pressure warning light on your 2020 Audi Q5 PHEV, begin with a straightforward diagnostic approach that prioritizes simpler solutions before delving into more complex issues. Start by manually checking the tire pressure in all four tires using a reliable tire pressure gauge, ensuring that the readings align with the manufacturer's recommended levels found in the owner's manual or on the sticker located inside the driver's door jamb. Next, conduct a visual inspection of each tire for any signs of damage, such as cuts, punctures, or bulges, as these can lead to pressure loss and trigger the warning light. If the tire pressure is correct and no visible damage is present, attempt to reset the tire pressure monitoring system by following the specific instructions in your owner's manual; this can often resolve minor fluctuations that may have caused the warning light to activate. However, if the warning light remains illuminated after these steps, it is advisable to seek assistance from a certified Audi service center, as persistent issues may indicate a more serious underlying problem that requires professional attention. By following this methodical approach, you can efficiently address the tire pressure warning light and ensure the safety and performance of your vehicle.

What could cause the tire pressure warning light to stay on in a 2020 Audi Q5 PHEV?

When the tire pressure warning light remains illuminated in your 2020 Audi Q5 PHEV, it’s essential to understand the common problems that could be at play. One of the primary culprits is low tire pressure, which can occur due to natural air loss, punctures, or leaks. Regularly checking your tire pressure with a reliable gauge can help you identify if this is the issue. If the pressure is adequate, consider the possibility of a faulty tire pressure sensor, which may not be accurately relaying information to the dashboard. In such cases, recalibrating the sensors might resolve the problem. Additionally, inspect the vehicle’s electrical system for any wiring issues that could disrupt communication between the sensors and the warning light. Lastly, ensure that your vehicle’s battery is functioning properly, as low voltage can also trigger the warning light. By systematically addressing these potential issues, you can effectively troubleshoot the cause of the tire pressure warning light and maintain the safety and performance of your Audi Q5 PHEV.

What immediate steps should be taken if the tire pressure warning light remains on in a 2020 Audi Q5 PHEV?

When the tire pressure warning light remains illuminated in your 2020 Audi Q5 PHEV, it is crucial to act promptly to ensure your safety and prevent potential damage to your vehicle. Ignoring this warning can lead to unsafe driving conditions, increased tire wear, and even blowouts, which can result in costly repairs or accidents. Start by checking the tire pressure in all four tires with a reliable gauge, ensuring they meet the manufacturer's specifications found in the owner's manual or on the door jamb. If you discover any tires are underinflated, inflate them to the correct pressure using an air compressor or a gas station pump. Next, inspect each tire for visible damage, such as punctures or bulges, as these issues may require professional repair or replacement. After addressing any pressure discrepancies or damage, reset the tire pressure monitoring system through your vehicle's infotainment settings. If the warning light persists despite these efforts, it is essential to consult a certified Audi technician to diagnose any underlying problems with the monitoring system. Taking these immediate steps not only enhances your driving safety but also helps maintain the longevity and performance of your vehicle.

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