2021 Jeep Renegade Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2021 Jeep Renegade: 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 Jeep Renegade 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 Jeep Renegade 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 of a TPMS control module failure are failing to alert the driver of underinflation or overinflation of one or more tires, failure to communicate with the body control module or TPMS sensors, or erroneously reporting incorrect tire pressure.

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 in my 2021 Jeep Renegade?

To effectively diagnose the tire pressure warning light issue in your 2021 Jeep Renegade, begin by checking the tire pressure in all four tires using a reliable tire pressure gauge. Ensure that each tire is inflated to the recommended levels outlined in your vehicle's manual, as improper inflation is a common cause of warning lights. Next, conduct a visual inspection of the tires for any signs of damage, such as punctures, cuts, or bulges, which could indicate a leak or other issues. If the tire pressure appears correct and the tires are in good condition, attempt to reset the tire pressure monitoring system, as this can sometimes clear false alerts. Additionally, inspect the valve stems for any signs of damage or leaks, as faulty valve stems can lead to inaccurate pressure readings. If, after these steps, the warning light remains illuminated, it may be time to consult a mechanic or dealership for a more comprehensive diagnosis of the tire pressure monitoring system. By following this structured approach, you can efficiently troubleshoot the issue and maintain the safety and performance of your vehicle.

What could cause the tire pressure warning light to stay on in a 2021 Jeep Renegade?

When the tire pressure warning light stays on in your 2021 Jeep Renegade, it’s crucial to identify the underlying issues to ensure your vehicle's safety and performance. The most prevalent cause is low tire pressure, which can result from natural air loss or punctures; therefore, regularly checking and inflating your tires to the recommended levels is essential. If the tire pressure appears normal, consider the possibility of a faulty tire pressure sensor, which may not accurately detect tire pressure changes. In some cases, the sensors may require recalibration to function correctly, a process that can often be done following the manufacturer's guidelines. Additionally, electrical issues within the tire pressure monitoring system could be at fault, necessitating diagnostic testing to uncover the problem. Lastly, be aware that extreme temperature fluctuations can impact tire pressure readings, potentially triggering the warning light. By addressing these common issues, you can effectively troubleshoot the tire pressure warning light in your Jeep Renegade and maintain optimal driving conditions.

How urgent is it to address the tire pressure warning light on my 2021 Jeep Renegade?

Addressing the tire pressure warning light on your 2021 Jeep Renegade is an urgent matter that should not be overlooked. Ignoring this warning can lead to serious safety concerns, including reduced traction and handling, which are critical for safe driving, especially in challenging weather conditions. Additionally, driving on improperly inflated tires can result in uneven wear, negatively impacting your vehicle's fuel efficiency and leading to increased costs over time. Proper tire inflation is essential for maintaining optimal vehicle performance, affecting everything from braking to overall driving comfort. Furthermore, neglecting this warning can cause significant damage to your tires, wheels, and suspension system, potentially resulting in costly repairs. Therefore, it is crucial to check your tire pressure and inflate your tires to the recommended levels as soon as the warning light appears, ensuring your safety and the longevity of your vehicle.

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