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Why Does Mazda CX-5 Tire Pressure Light Keeps Coming On?

The Mazda CX-5 is a popular SUV known for its performance, style, and reliability. However, like any vehicle, it may encounter issues, and one common concern reported by drivers is the persistent illumination of the tire pressure warning light.

Today, we will tell you about most frequent reasons behind this occurrence and explore common repairs associated with resolving the Mazda CX-5 tire pressure warning light issue.

CX-5 Tire Pressure Light Keeps Coming On Causes:

1. Tire Leaking Air (40%):

Leaking tires can result from various factors, such as punctures from nails or sharp objects on the road. It is crucial to visually inspect the tires regularly for any visible damage. Additionally, using a reliable tire pressure gauge can help ensure that the tires are adequately inflated.

2. Wheel Leaking Air (30%):

Wheels are susceptible to damage, especially after encountering bumps or potholes. Corrosion or visible cracks may lead to air leakage. Drivers should pay attention to any unusual vibrations or steering issues, as these could be indicative of wheel-related problems.


3. Tire Pressure Monitoring System (TPMS) Issues (15%):

The TPMS is a complex system comprising sensors, control modules, and communication channels. Sensor failures or communication breakdowns may trigger the warning light. Regular maintenance, including sensor checks and system diagnostics, can help identify and address TPMS issues promptly.

4. Other Causes (15%):

Occasionally, the tire pressure warning light may persist due to less common factors, such as electronic glitches or sensor malfunctions. Professional mechanics equipped with diagnostic tools are essential for uncovering and resolving these less straightforward issues.

CX-5 Tire Pressure Light Keeps Coming On Solutions:

1. TPMS Sensor Replacement:

When a TPMS sensor malfunctions, replacing the faulty component is necessary. New sensors ensure accurate monitoring of tire pressure and communication with the control module, preventing false warnings.

2. Tire Pressure Monitoring System Relearn:

Performing a TPMS relearn is essential when sensor replacements or changes in tire configuration occur. This process helps the system recognize the new parameters and ensures precise monitoring.

3. Wheel Replacement:

Damaged wheels with visible cracks or signs of wear need prompt replacement. Ignoring wheel issues can lead to ongoing air leakage, compromising both tire pressure and the effectiveness of the TPMS.

4. Tire Pressure Monitor Control Module Replacement:

The TPMS control module is the brain of the system, and when it fails, it can lead to inaccurate alerts or the persistent illumination of the warning light. Replacing the control module is necessary to restore proper communication and functionality.

5. Tire Pressure Monitor Lamp Diagnosis:

If the warning light remains on despite proper tire pressure, a thorough diagnosis is crucial. This involves checking the sensors, control module, and communication lines to pinpoint the root cause and implement the necessary repairs.


In conclusion, addressing the Mazda CX-5 tire pressure warning light issue requires a comprehensive understanding of the potential causes and appropriate solutions.

Regular maintenance, timely replacements, and diagnostic checks are essential for maintaining the integrity of the tire pressure monitoring system and ensuring a safe and reliable driving experience.

If the warning light persists, seeking professional assistance will help identify and resolve the specific issue, promoting both driver safety and vehicle performance.

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