One of my tire sensors in my Lexus isn’t working. I’ve come to depend on the low pressure light to alert me to problems with my tires. How much does it cost to fix a tire pressure sensor?
Rachel Rigolino · Answered on Feb 01, 2022
Reviewed by Shannon Martin, Licensed Insurance Agent.
Tire sensors are a valuable diagnostic tool—so valuable that all car models have been required to have them since 2007! Luckily, it typically costs between $80-$140 to fix a tire pressure sensor, depending on your car model.
If your car’s still under warranty, the cost of replacing a sensor may be covered. Check with your dealership if you believe this is the case for you.
Here’s how tire pressure sensors work:
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Your tire pressure light provides a critical reminder to restore the pressure in your vehicle's tires when it gets low.
You should only attempt to reset the light after first addressing the tire pressure in every tire. Once your tires are at the appropriate pressure, the light may go off on its own. If it doesn't go off right away, driving at 50 mph for about 10 minutes should help the tire pressure sensor reset.
If the tire pressure light is still on, there are a few more tricks you can try:
TPMS stands for Tire Pressure Monitoring System. The tire pressure light is one component of this electronic system, providing a visual alert when your tire pressure is low. The TPMS monitors tire pressure using either an indirect or direct method.
An indirect TPMS measures the rate of revolution for each wheel. If a wheel starts spinning faster than anticipated, the system signals to your vehicle's computer that something is amiss with the tire rotation, and your tire pressure light comes on. You must manually reset the monitor in an indirect TPMS system.
A direct TPMS uses pressure monitoring sensors in each tire to monitor tire pressure exactly. This is a more accurate alternative to an indirect TPMS system. The batteries inside these sensors will last for about 10 years.
Direct TPMS systems reset automatically after tire inflation or rotation. You do need to have these sensors resynchronized when you get new tires, which requires a special tool.
Yes, cold weather will affect the air pressure in your tires. Your tires lose one or two pounds per square inch (PSI) for every 10 degrees that the temperature drops. Cold air condenses while warm air expands. Therefore, the colder air in your tires will take up less space in lower temperatures.
You may find that your TPMS light is only illuminated for a short time in the morning on particularly cold days. After about 20 minutes of driving, the air will often warm up and expand, restoring proper pressure in your tires. If the light stays on after 20 minutes on the road, you should add air to your tires as needed to restore the proper pressure. Low tire pressure is hazardous for your vehicle regardless of the cause.
When the tire pressure monitor light is on, the first thing you should do is check the pressure in each of your tires, including the spare.
Check the manufacturer's recommendation to determine the appropriate pressure for each tire. This is typically between 30 and 35 PSI but may vary. You should measure tire pressure when the tires are cold, which means they have not been driven in the last three hours.
To check the pressure, simply unscrew the valve cap and insert a tire gauge into the valve stem. The gauge will provide a clear reading. Replace the valve cap when you're finished. If your tires are all at the appropriate pressure, there's a malfunction with your TPMS. Bring your vehicle to an authorized dealership service center to diagnose and resolve the issue.
If the tire pressure monitor light is on, you should check your tire pressure as soon as possible. Low tire pressure creates a serious hazard on the road. According to the National Highway Traffic Safety Administration, 738 people died in tire-related crashes in 2017. When tire pressure is low, the tire has more contact with the road.
This may cause the tire to overheat, leading to tread separation, excessive tire wear, or a blowout.
Low tire pressure also wreaks havoc on your fuel efficiency. You can save up to 11 cents per gallon simply by keeping your tires properly inflated. You'll also save money on tire replacements with adequate inflation. Keeping your tires properly inflated can add 4,700 miles to the tire's average lifespan.
The tire pressure monitor light gives you valuable information and should not be ignored.
You do not necessarily need to have your TPMS sensors replaced with new tires, but this is a good time to check them and make sure they're still in good condition. If you have an indirect TPMS system, your mechanic will need to manually reset the sensors after changing your tires. If you have a direct TPMS system, no additional maintenance is required to reset the system.
A new TPMS system will typically last for about 10 years before the batteries run out.
If you have an older vehicle, you may need new sensors every five or six years. Your mechanic can advise you on the best time to replace TPMS sensors for your vehicle. When new sensors are installed, the system must relearn the location of each tire, which requires a detailed series of technical procedures. You should leave this task to a professional.
If you need tire service for your Toyota, come to Kings Toyota for prompt, reliable service. Our highly-trained technicians are equipped to assist with any type of tire issue, whether you need new tires or have a malfunctioning tire pressure sensor light. Make your appointment today.
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TPMS or Tire Pressure Monitoring System is a set of equipment commonly found in modern vehicles.
Its main job is to alert you if there are problems with tire pressure. For example, one tire has lost pressure - in this case it is not safe to drive, but the system will inform you about this, and you can inflate the wheel to avoid steering problems.
But sometimes the system does not work correctly. Some sensors may fail or the system needs to be rebooted. In this case, you may see a blinking or simply lit tire pressure error indicator on the dashboard. Resetting the pressure monitoring system will help you solve the problem if the sensor is working.
Please note that different vehicles may have different TPMS reset methods, so you may need to try several of them before you know the most effective one.
Initially, you just need to hold the tire pressure sensor reset button for a few seconds until the pressure indicator flashes three times and then turns off. But sometimes it doesn't help much. So we found other ways to calm down the pressure control system.
First, locate the TPMS reset button, which is usually located somewhere under the steering wheel. Start the car, press and hold the button for 3 seconds. Then drive at a speed of 80 km/h for approximately 10 minutes. Of course, you will need to find a suitable track for this. Steady driving is an important part of resetting tire pressure sensors this way. Of course, before this operation, you will need to inflate the tires to the required pressure.
In some vehicles, you will need to drive on any road and at any speed for 20 minutes after resetting the sensors, as long as you do not turn off the engine.
So, start the car, press the reset button and hold it for three seconds. Do not turn off the engine until 20 minutes have passed. You can drive or just let the engine idle for 20 minutes. This method of resetting pressure sensors should work for most vehicles. Again, inflate the tires to the correct pressure before resetting the system.
If the simple methods don't work with your machine, try another method. Start the engine so that the tire pressure monitoring system can register the changes. Then inflate the tire 0.2 bar above the recommended level. After a minute, completely deflate the tire. Wait one more minute to reset the sensors. Then inflate the tire to the optimum pressure level and let the engine run for another minute. The indicator should stop flashing.
The idea is to reset the entire engine electronics system by cutting off the power supply from the battery. First, make sure all tires are at the correct pressure. After that, turn off the engine, open the hood and disconnect both terminals from the battery. Wait 10-15 minutes. Reconnect the battery and turn on the ignition to check if the indicator lamp goes out.
If the above methods do not work with your vehicle, there is another option.
Find a manual for your car or open a forum thread that talks about resetting tire pressure sensors in your car. Look for the combination of steps the manufacturer recommends to reset the TPMS system. Sometimes the combination can be quite strange and even complex.
If all methods fail and the error light continues to flash, the problem may be with the sensors. It is the blinking signal of the tire pressure lamp that often indicates a sensor malfunction. If there is a problem with tire pressure, usually the light will just come on and not blink.
This means that if the light is flashing, one of the sensors may be faulty. Replacing the element is not so easy because it is under the tire. The tire must be removed from the rim to replace the sensor.
After replacement, you will still need to reset the pressure control system for the new sensor to work. Otherwise, the indicator will flash or light up.
Where is the reset button for the tire pressure sensors?
The button is often located directly below the steering wheel. But there may be different options. If you don't find the TPMS reset button there, look around the steering wheel - it should be somewhere in this area.
Difficult to say for all vehicles, but for most vehicles, the travel time before the tire pressure monitoring system resets should be at least 10-15 minutes. If you turn off the engine earlier than 10 minutes after pressing the reset button, the TPMS will still send some error signals the next time the engine is started.
Drivers occasionally upgrade tires and wheels to larger ones and want their stock pressure control modules to work properly. The problem is that larger or flat-ride tires will have a different optimum pressure level, so the original gauges will always show an error on your dashboard.
One way to solve the problem is to buy other sensors tuned to the desired tire pressure level. Another way is to reset the control system in your car at the service station. Just check which option will be cheaper for you.
It's hard to say why manufacturers haven't added an option to automatically reset tire pressure sensors in cars. In most post-2015 vehicles, the TPMS is autonomous enough that it won't bother you much with reset requests. But in older cars, the system is not as advanced and sometimes a manual reset is required.
(
Updated:
26/09/2022
)
Contents of the article
An inflated and deflated tire lasts half as long as a wheel with the correct pressure.
This rule applies not only to the Kia Optima. It is true for any car - from a small car to a mining truck. Therefore, owners of a Korean 4-door sedan should monitor the tire pressure of the Kia Optima daily. And for this you do not need to get your hands dirty and fiddling with a pressure gauge. The TPMS sensors will do all the work. But can we rely only on this sensor, and what if the electronic tracking system gives an error?
The Korean automaker recommends inflating the tires of the Kia Optima sedan to 2.3-4.2 bar. If the tire pressure drops below 2.3 bar, you will experience rapid tread side wear. In addition, a flat tire leads to excessive fuel consumption. If the wheel was pumped over 4.2 bar, this threatens to quickly wear out the center of the tread tread.
Car workshops and official service centers recommend pumping Kia Optima wheels up to 2.35-2.45 bar - the average value is suitable for most tire sizes that are compatible with the wheels of this car.
The exact pressure values \u200b\u200bfor each tire size can be found in this table:
| Disk size | Recommended value, in bars |
|---|---|
| R16 | 2.3±0.05 |
| R17 | 2.3-2.4 |
| R18 | 2.4-2.6 |
Summer Drive Protection Run On Flat Sound Comfort
Rating:
4.5
Tires Goodyear Eagle F1 Asymmetric 3
Summer Drive Protection Run On Flat Sound Comfort
Rating:
4.5
Tires Goodyear Eagle F1 Asymmetric 5
Summer Drive protection
Rating:
5
Tires Goodyear Eagle F1 Asymmetric 6
Summer
Rating:
4.
5
Tires Goodyear Eagle Sport 2
Winter
Tires Goodyear UltraGrip Cargo
All season Drive Protection Run On Flat
Rating:
4.5
Tires Goodyear Vector 4Seasons Gen-3
Summer Drive Protection Run On Flat Sound Comfort
Rating:
4.5
Tires Goodyear Eagle F1 Asymmetric 2
Summer
Tires Goodyear EfficientGrip Cargo 2
Try to stick to these values when inflating the wheels of your sedan.
For example, if a tire installed on R17 wheels is inflated to 2.2 bar, the TPMS system will recommend increasing this figure to 2.3-2.4 bar.
But what to do when an error is on the screen, and the wheel is inflated correctly? In this case, you need to reset the false alarm about the problem with the wheels.
The air in a tire is subject to thermal expansion and contraction. For example, in winter, when the temperature drops by 1 ° C, it “deflates” by 1 kPa (0.01 bar) and needs to be pumped up. In summer, the air expands in volume, so the wheel will have to be lowered a little. The recommended discharge size in summer is up to 0.3 bar.
The consequence of temperature fluctuations may be the error of the TPMS system sensors, signaling low or excessive pumping at actually normal values. If the word “Low pressure” is on your display, and the pressure gauge connected to the tire nipple shows the correct values, you need to do the following manipulations:
