Genesis G70 Tire Pressure Warning Light Stays On

Common Causes for the Tire Pressure Warning Light in Your Genesis G70 and How to Resolve Them

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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 Genesis G70 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 Genesis G70 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.

Troubleshooting Tire Pressure Warning Light in a Genesis G70

When faced with a tire pressure warning light in your Genesis G70, it's essential to adopt a systematic diagnostic approach. Begin by checking the tire pressure in all four tires, ensuring they are inflated to the manufacturer's recommended level, typically around 35 PSI. This initial step is crucial, as incorrect tire pressure is often the primary cause of the warning light. After adjusting the tire pressure, take your vehicle for a drive at approximately 50 MPH for about 10 minutes; this action helps recalibrate the tire pressure monitoring system (TPMS) sensors. If the warning light persists, consider resetting the TPMS, which can usually be done by locating the reset button under the steering wheel and pressing it until the light blinks three times. Finally, recheck the tire pressure to confirm it remains at the correct level, as any discrepancies may indicate a leak or other underlying issues that require further investigation. By following this methodical approach, you can effectively troubleshoot and resolve the tire pressure warning light issue in your Genesis G70.

Troubleshooting Tire Pressure Warning Light in Genesis G70

When dealing with the tire pressure warning light in your Genesis G70, it's essential to understand the common problems that may trigger this alert. One frequent issue is simply low tire pressure, which can occur due to temperature changes or slow leaks. Always start by checking the pressure in all four tires and ensuring they are inflated to the manufacturer's recommended levels. If the pressure is correct but the light remains on, the tire pressure monitoring system (TPMS) may need to be reset. This can often be done by pressing the reset button, if available, or by driving the vehicle at a consistent speed for a set period to allow the system to recalibrate. Additionally, faulty sensors can also cause the warning light to activate; if the sensors are damaged or malfunctioning, they may need to be replaced. In some cases, a more serious issue such as a tire leak or a problem with the TPMS itself could be the culprit. If you've exhausted these DIY troubleshooting steps and the warning light persists, it may be time to consult a professional for further diagnosis and repair.

Why is the Tire Pressure Warning Light Staying On in a Genesis G70?

When the tire pressure warning light remains illuminated in your Genesis G70, it is crucial to address the issue without delay. Ignoring this warning can lead to serious safety risks, including reduced vehicle handling, increased tire wear, and even tire blowouts, which can result in accidents. The light may indicate that one or more tires are under-inflated, possibly due to a leak or a malfunctioning tire pressure monitoring system (TPMS). Additionally, fluctuations in temperature can cause tire pressure to drop, further complicating the situation. To ensure your safety and the longevity of your vehicle, start by checking the tire pressure with a reliable gauge and inflate them to the manufacturer’s recommended levels. If the light persists, inspect the tires for visible leaks or damage, and consider resetting the TPMS if necessary. Taking these steps not only enhances your driving safety but also helps prevent costly repairs down the line.

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Genesis G70 Tire Pressure Warning Light Issues & Solutions