2019 Audi Q5 Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2019 Audi Q5

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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 Audi Q5 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 Audi Q5 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 2019 Audi Q5?

To effectively diagnose the tire pressure warning light issue on your 2019 Audi Q5, begin with a systematic 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 the readings align with the recommended levels found in your vehicle's manual. Next, conduct a thorough visual inspection of each tire for any signs of damage, such as punctures, cuts, or bulges, and look for any foreign objects that may be lodged in the tread. If the tire pressure appears normal and no visible damage is detected, proceed to reset the tire pressure monitoring system as outlined in your owner's manual, as this can sometimes resolve temporary warning light triggers. However, if the warning light remains illuminated after these steps, it may indicate a more serious underlying issue, and at this point, consulting a mechanic or an authorized Audi service center is advisable for a comprehensive diagnosis and repair. By following this diagnostic approach, you can ensure the safety and optimal performance of your Audi Q5.

What could cause the tire pressure warning light to stay on in a 2019 Audi Q5?

When the tire pressure warning light stays on in a 2019 Audi Q5, it can signal several common issues that DIY enthusiasts can address. The first step is to check for low tire pressure, which is the most frequent cause of this warning. Ensuring that each tire is inflated to the manufacturer's recommended levels is a simple yet effective solution. If the tire pressure is adequate, the next consideration should be the tire pressure sensors themselves, as they can malfunction over time. Replacing a faulty sensor may be necessary to restore proper functionality. Additionally, sensor calibration issues can occur, which might require recalibration that can sometimes be done at home with the right tools, or it may necessitate a visit to a professional. Electrical faults within the tire pressure monitoring system (TPMS) can also lead to the warning light remaining illuminated, and diagnosing these issues may require more advanced troubleshooting skills. Lastly, it’s important to check for any electronic interferences or physical obstructions that could be affecting the sensors, as these can disrupt the system's operation. By systematically addressing these potential problems, you can effectively troubleshoot the tire pressure warning light in your Audi Q5. If the light persists despite your efforts, consulting a qualified mechanic for a thorough diagnosis is advisable.

How urgent is it to address the tire pressure warning light on a 2019 Audi Q5 that stays on?

Addressing the tire pressure warning light on a 2019 Audi Q5 that remains illuminated is an urgent matter that should not be overlooked. Ignoring this warning can lead to serious safety concerns, as improper tire pressure significantly affects vehicle handling and stability, increasing the likelihood of accidents. Additionally, driving with incorrect tire pressure accelerates tire wear, which not only shortens the lifespan of your tires but also raises the risk of a blowout while on the road. Furthermore, maintaining the correct tire pressure is essential for optimal fuel efficiency; neglecting this can result in higher fuel consumption, costing you more in the long run. Lastly, a persistent warning light may indicate a malfunction in the Tire Pressure Monitoring System (TPMS), which could require professional attention. Therefore, it is crucial to promptly check and adjust your tire pressure to ensure your safety, prolong the life of your tires, and maintain the overall performance of your Audi Q5.

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