2023 Mercedes-Benz AMG GT 43 Tire Pressure Warning Light Stays On

Resolve Persistent Tire Pressure Warning Light in 2023 Mercedes-Benz AMG GT 43

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Reviewed by
Devin Cabugcal
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 2023 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 2023 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 steps should I take to diagnose the tire pressure warning light issue on my 2023 Mercedes-Benz AMG GT 43?

To effectively diagnose the tire pressure warning light issue on your 2023 Mercedes-Benz AMG GT 43, begin with a thorough check of the tire pressure across all four tires. Utilize a reliable tire pressure gauge to ensure that each tire is inflated to the manufacturer's recommended levels, which can typically be found in your owner's manual or on a sticker located inside the driver's side door jamb. Next, inspect the tires for any visible signs of damage, such as punctures, cuts, or bulges, as these can lead to pressure loss. If the tire pressure is correct and the tires appear undamaged, consider resetting the tire pressure monitoring system (TPMS) according to the instructions in your vehicle's manual, as this can sometimes resolve false warnings. Should the warning light persist, it may indicate a malfunctioning tire pressure sensor, which would require professional attention. In such cases, visiting a certified Mercedes-Benz service center is advisable for a comprehensive diagnosis and repair. By following this systematic approach, you can efficiently identify and address the underlying cause of the tire pressure warning light.

What could be causing the tire pressure warning light to remain on in a 2023 Mercedes-Benz AMG GT 43?

When the tire pressure warning light remains illuminated in your 2023 Mercedes-Benz AMG GT 43, it’s essential to identify the underlying issues that could be causing this alert. The most frequent reason is low tire pressure, which can be easily checked using a tire pressure gauge; if the readings are below the recommended levels, inflating the tires should resolve the warning. If the pressure is adequate, consider the possibility of a faulty tire pressure sensor, which may not be functioning correctly and could require replacement. Additionally, the sensors might need recalibration, particularly after any tire rotations or replacements, to ensure accurate readings. Another common issue is a leaking tire, which can often be detected through a visual inspection for punctures or other damage; addressing any leaks promptly is crucial to maintaining tire integrity. Lastly, an electrical fault within the tire pressure monitoring system could also be responsible for the persistent warning light, which may require professional diagnostic testing to identify and fix. By methodically checking these common problems, you can effectively troubleshoot the tire pressure warning light in your vehicle and ensure safe driving conditions.

What immediate steps should be taken if the tire pressure warning light remains on in a 2023 Mercedes-Benz AMG GT 43?

When the tire pressure warning light remains illuminated in your 2023 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 they meet the manufacturer's specifications found in the owner's manual or on the door jamb sticker. If you discover any tires are underinflated, inflate them to the correct levels using a dependable air compressor. Additionally, visually inspect each tire for signs of damage, such as punctures or bulges, as neglecting these issues can lead to blowouts or further tire degradation. Once you have adjusted the tire pressure and checked for damage, reset the tire pressure monitoring system through the vehicle's infotainment interface or by following the manual's instructions. If the warning light persists after these steps, it is essential to seek professional assistance, as continued neglect could compromise your vehicle's safety and performance. Taking these immediate actions not only ensures your safety on the road but also helps maintain the longevity of your tires and vehicle.

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