Mazda CX-5 Tire Pressure Warning Light Stays On

Common Causes for the Tire Pressure Warning Light in Your Mazda CX-5 and How to Resolve Them

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Reviewed by
Andrew Hajjar
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 Mazda CX-5 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 Mazda CX-5 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 Mazda CX-5

When troubleshooting the tire pressure warning light in your Mazda CX-5, it's essential to adopt a systematic diagnostic approach. Begin by checking the tire pressure in all tires, including the spare, using a reliable tire pressure gauge to confirm they meet the manufacturer's recommended levels. This simple step can often resolve the issue if the tires are under-inflated. Next, visually inspect each tire for any signs of damage, such as punctures or bulges, which could lead to air loss and trigger the warning light. If the tire pressure is correct and no visible damage is found, proceed to reset the tire pressure monitoring system (TPMS) as outlined in your owner's manual; this can sometimes clear false warnings. After resetting, take your vehicle for a short drive, as this may help recalibrate the TPMS sensors. If the warning light remains illuminated, it may indicate a malfunction in one of the TPMS sensors, which would require further investigation. In such cases, consulting a professional mechanic or visiting an authorized Mazda service center is advisable to ensure accurate diagnosis and repair. By following this structured approach, you can effectively address the tire pressure warning light issue and maintain safe driving conditions.

Troubleshooting Tire Pressure Warning Light in a Mazda CX-5

When troubleshooting the tire pressure warning light in your Mazda CX-5, it's crucial to recognize the common problems that may be causing this alert. Low tire pressure is often the primary culprit, which can result from temperature fluctuations or slow leaks. Conversely, overinflated tires can also trigger the warning light, as the system is calibrated to detect pressure outside a specific range. Another issue to consider is a malfunctioning Tire Pressure Monitoring System (TPMS) sensor, which might fail to provide accurate readings or could be damaged. Additionally, visible tire damage, such as punctures or bulges, can lead to pressure inconsistencies that activate the warning light. Lastly, if the TPMS has not been reset after adjusting tire pressures, the warning light may remain illuminated. By understanding these common issues, you can more effectively diagnose and resolve the tire pressure warning light problem in your Mazda CX-5, ensuring a safer and more reliable driving experience.

Why is the Tire Pressure Warning Light Staying On in a Mazda CX-5?

When the Tire Pressure Warning Light remains illuminated in your Mazda CX-5, it is crucial to address the issue promptly to ensure your safety on the road. Ignoring this warning can lead to serious consequences, such as reduced vehicle handling, increased tire wear, and even tire blowouts, which pose significant safety risks. The light may indicate low air pressure in one or more tires, a leaking tire, or a malfunctioning tire pressure monitoring system (TPMS). If the air pressure is not corrected, it can lead to further damage to the tires and the vehicle's suspension system. Additionally, a faulty TPMS can prevent you from receiving accurate tire pressure readings, making it essential to diagnose and resolve the underlying issue. Regularly checking and maintaining your tire pressure not only enhances your vehicle's performance but also prolongs the life of your tires, ensuring a safer driving experience. Therefore, if the Tire Pressure Warning Light stays on, take immediate action to inspect your tires and reset the TPMS if necessary, as neglecting this warning can lead to costly repairs and jeopardize your safety.

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Why Your Mazda CX-5 Tire Pressure Warning Light Stays On