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.
To effectively diagnose the tire pressure warning light issue on your 2018 GMC Sierra 1500, begin with the simplest and most straightforward approach. Start by checking the tire pressure in all four tires using a reliable tire pressure gauge, ensuring that the readings align with the recommended PSI found in your owner's manual or on the driver's side door jamb sticker. Next, conduct a thorough visual inspection of each tire for any signs of damage, such as punctures, cuts, or bulges, and look for any foreign objects that may be lodged in the tread, as these could lead to air leaks. If the tire pressure is correct and the tires appear undamaged, the next step is to reset the tire pressure monitoring system (TPMS), which may sometimes require a simple procedure outlined in your owner's manual. If these initial steps do not resolve the warning light issue, it may be necessary to consult a professional mechanic or dealership for a comprehensive inspection of the TPMS, as they can diagnose more complex problems that may not be immediately visible. By following this diagnostic approach, you can systematically address the tire pressure warning light issue and ensure your vehicle's safety and performance.
When the tire pressure warning light stays on in your 2018 GMC Sierra 1500, it’s crucial to identify the underlying issues to ensure safe driving. The most prevalent cause is low tire pressure, which can be easily remedied by checking and inflating your tires to the recommended levels. If the pressure is adequate, consider the possibility of a faulty tire pressure sensor, which may need replacement to function correctly. Additionally, some sensors rely on batteries that can deplete over time, leading to false warnings even when tire pressure is normal. Another factor to consider is whether the tire pressure monitoring system requires recalibration, a task that can often be performed by following the vehicle's manual. In rare instances, electrical issues within the vehicle could also trigger the warning light, which may require professional assistance to diagnose and repair. By methodically exploring these common problems, you can effectively troubleshoot the persistent tire pressure warning light in your GMC Sierra 1500.
When the tire pressure warning light on your 2018 GMC Sierra 1500 stays illuminated, it’s crucial to act promptly to ensure your safety and the longevity of your vehicle. Ignoring this warning can lead to serious consequences, such as reduced traction, increased tire wear, and even tire blowouts, which can pose significant safety risks while driving. Start by checking the tire pressure of all four tires with a reliable gauge, ensuring they meet the manufacturer’s recommended levels. If you find any tires underinflated, inflate them accordingly to restore optimal performance. Additionally, inspect each tire for visible damage, such as punctures or bulges, as these can compromise your vehicle's safety. Once you’ve adjusted the tire pressure and checked for damage, reset the tire pressure monitoring system as outlined in your owner’s manual to clear the warning light. If the light persists despite these efforts, it’s essential to consult a professional mechanic to diagnose any underlying issues with the monitoring system. Taking these steps not only helps maintain your vehicle’s performance but also safeguards your safety on the road.
Read about related problems experienced by other GMC Sierra 1500 drivers like you.
See what others are asking about their GMC Sierra 1500. Get answers from RepairPal's community of auto experts and enthusiasts.