2022 Mercedes-Benz AMG GT 43 Tire Pressure Warning Light Stays On

Tire Pressure Warning Light in 2022 Mercedes-Benz AMG GT 43: Causes and Solutions

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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 2022 Mercedes-Benz AMG GT 43 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 2022 Mercedes-Benz AMG GT 43 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 are the initial steps to diagnose a tire pressure warning light that stays on in a 2022 Mercedes-Benz AMG GT 43?

When faced with a tire pressure warning light that remains illuminated in your 2022 Mercedes-Benz AMG GT 43, the first step is to check the tire pressure across all four tires. Make sure they are inflated to the manufacturer's recommended levels, as low pressure is a frequent culprit for this warning. Next, visually inspect each tire for any signs of damage, such as punctures or bulges, which could lead to air loss. If the tires appear to be in good condition, consider resetting the tire pressure monitoring system by following the instructions in your vehicle's manual; this can often clear false alerts. Additionally, examine the tire pressure sensors on each wheel to ensure they are functioning properly and free from obstructions. If, after completing these steps, the warning light continues to stay on, it may be time to consult a qualified mechanic or dealership for a more thorough diagnosis of the tire pressure monitoring system. By systematically addressing these areas, you can effectively troubleshoot the issue and potentially save on repair costs.

What could be causing the tire pressure warning light to stay on in a 2022 Mercedes-Benz AMG GT 43?

When the tire pressure warning light stays illuminated in a 2022 Mercedes-Benz AMG GT 43, it is crucial to identify the underlying issues to ensure safe driving. The most frequent cause is low tire pressure, which can result from a puncture, leak, or the natural loss of air over time. Additionally, a malfunctioning tire pressure sensor may trigger the warning light if it fails to provide accurate readings. Calibration issues with the sensors can also lead to false alerts, necessitating a recalibration to restore proper functionality. Furthermore, electrical or wiring problems can disrupt the communication between the sensors and the dashboard, causing the warning light to remain on. Lastly, colder temperatures can cause tire pressure to drop, activating the warning light. To maintain optimal vehicle performance and safety, it is advisable to address these issues promptly, and consulting a qualified mechanic can help diagnose and resolve the problem effectively.

What immediate actions should be taken if the tire pressure warning light remains on in a 2022 Mercedes-Benz AMG GT 43?

When the tire pressure warning light remains illuminated in your 2022 Mercedes-Benz AMG GT 43, it is crucial to act promptly to avoid potential safety hazards and costly repairs. Start by checking the tire pressure in all four tires with a reliable gauge, ensuring that each tire is inflated to the manufacturer's recommended levels, which can be found in your owner's manual or on the door jamb sticker. If you discover any discrepancies, adjust the pressure accordingly, as both underinflation and overinflation can lead to compromised handling and increased tire wear. Next, conduct a thorough inspection of each tire for visible damage such as punctures or bulges; any signs of damage should be addressed immediately, as they can lead to blowouts or further tire degradation. After making necessary adjustments, reset the Tire Pressure Monitoring System (TPMS) to clear the warning light, following the instructions in your manual. If the light persists despite these efforts, it is essential to seek professional assistance, as ongoing issues may indicate deeper problems with the TPMS or the tires themselves. By taking these immediate actions, you not only ensure your safety on the road but also maintain the performance and longevity of your vehicle.

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