2021 Ram 2500 Tire Pressure Warning Light Stays On

Resolve the Tire Pressure Warning Light on Your 2021 Ram 2500

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Reviewed by
Aisha
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 Ram 2500 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 Ram 2500 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.

What steps should I take to diagnose the tire pressure warning light issue in my 2021 Ram 2500?

To effectively diagnose the tire pressure warning light issue in your 2021 Ram 2500, begin with a straightforward approach that prioritizes simpler solutions before delving into more complex diagnostics. Start by checking the tire pressure in all four tires using a reliable tire pressure gauge, ensuring that each tire is inflated to the recommended PSI specified in your vehicle's manual. If the pressure is correct, visually inspect the tires for any signs of damage, such as punctures, cuts, or bulges, which could indicate a loss of pressure. Next, examine the valve stems for any leaks or damage, as faulty valve stems can also contribute to pressure loss. If everything appears normal, consider resetting the tire pressure monitoring system (TPMS) as this can sometimes resolve the warning light issue. Refer to your vehicle's manual for specific instructions on how to perform this reset. However, if the warning light remains illuminated after these checks, it may be time to consult a professional mechanic or dealership for a thorough diagnosis and repair, ensuring your vehicle's safety and performance on the road.

What could cause the tire pressure warning light to remain on in a 2021 Ram 2500?

When the tire pressure warning light stays illuminated in your 2021 Ram 2500, it can be frustrating, but understanding the common problems can help you troubleshoot the issue. One of the primary culprits is low tire pressure, which is easily rectified by checking and inflating your tires to the manufacturer's recommended levels. If the pressure is adequate, the problem may lie with a faulty tire pressure sensor, which could require replacement. Additionally, the tire pressure monitoring system might need recalibration to ensure it provides accurate readings; this can often be done by following specific instructions in your vehicle's manual. Electrical faults within the system, such as damaged wiring, can also trigger the warning light, so a thorough inspection of the system is advisable. Lastly, performing a system reset may resolve the issue if all else fails. By systematically addressing these potential problems, you can effectively diagnose and fix the tire pressure warning light issue in your Ram 2500, ensuring a safer driving experience.

How urgent is it to address the tire pressure warning light on a 2021 Ram 2500?

Addressing the tire pressure warning light on a 2021 Ram 2500 is not just a matter of convenience; it is a critical safety issue that demands immediate attention. Ignoring this warning can lead to dangerous driving conditions, as improper tire pressure significantly impacts vehicle handling, braking, and overall stability. Furthermore, underinflated tires can accelerate uneven wear, resulting in costly replacements and decreased fuel efficiency, which can add up over time. The risk of tire damage, including blowouts or flats, increases when tire pressure is neglected, particularly during high-speed travel or on rough roads. Additionally, the Tire Pressure Monitoring System (TPMS) serves as an essential safety feature, and a persistent warning light may indicate a malfunction that requires urgent repair. Therefore, it is imperative to check and adjust tire pressure as soon as the warning light illuminates to ensure safety, enhance vehicle performance, and avoid unnecessary expenses.

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