Tire pressure sensor fault

tire pressure sensor fault

People these days are unable to live without using cars. However, owning a car is not easy because apart from the money that you spend in getting the car, it is essential for you to spend some extra money on the different parts of your car.

Repairing some of the problems in the car will help you in saving on diagnostic costs. Nevertheless, there are a lot of things that can easily be done if you have an idea about car issues and the tools for fixing such issues. A tire pressure sensor fault is nothing related to low or high tire pressure. Instead, it is related to the powerlessness of the unit to perceive signal from not less than one wheel sensor. The failure of one of the wheel sensors or the breakage of the bands resulting in the floating of the sensor inside the car is a severe condition of your car and it requires immediate diagnosis and treatment.

Sometimes, it is even a small computer error that might get the message appearing on your screen. This issue requires re-programming of the tire sensor that has failed. The first and the most important thing that you need to do in case you detect a tire pressure sensor fault is to take your car to the dealer or to a tire shop in your locality.

These shops generally have hand held tools that can easily be placed against the sidewall of the tire. These tools use RF signals for re-programming each TPS and this takes not more than five minutes and even less. If this procedure does not clear the issue, then it becomes mandatory for you to pursue other causes of this fault code. There are some other procedures that can also be used for resetting the tire pressure sensor fault and they are as follows:.

If you have a car that makes use of a direct systemthen it would be quite easy for you to reset the fault. In case, you have a car that uses an indirect system, then you need to reset it by making use of a scanning tool or a magnet that can be availed from the car dealer or can even be bought from the market. There are some systems with the reset button placed within the glove box. This reset button has to be pressed and then held for at least three seconds with the ignition on.

You need to make sure that all the tires of your car are inflated properly.


You need to keep in mind that the sensors are being set back to zero and therefore it is essential for all the tires to be inflated. Failing to do so will result in the inappropriate calibration of the sensors and even the readings will be incorrect. Skip to primary navigation Skip to main content Skip to primary sidebar People these days are unable to live without using cars.One of the most commonly misunderstood vehicle warning lights is the tire pressure sensor light.

The truth is, even 5 PSI less pressure in your tire can cause a blowout. Especially considering you only have the surface area of 4 pieces of A4 paper between your car and the road. If just one of your tires blows out you could be at risk of a major accident.

A tire pressure sensor is a component of the tire pressure monitoring system TPMSwhich constantly measures the pressure inside your car's tire. It's a small electronic device that transmits information from the wheel to the vehicle's ECU, typically via low frequency radio waves. Not all vehicles have a TPMS system, however these sensors are mandatory equipment on all vehicles in the United States since This is considered a dangerously low pressure level, and will trigger a warning light or message on the dash.

Underinflated tires have smaller circumferences, which in turn means they have to rotate faster than a properly inflated tire. This difference in rotational speed tells an indirect TPMS system that the pressure might be lower in this tire, triggering the light to come on.

The second type of tire pressure sensor is the direct TPMS. These, by contrast, do actually measure the pressure inside the tire. These systems use a gauge mounted inside the tire valve which sends a signal to your vehicle's computer.

This information is then displayed on your dash depending on the type of direct tpms system you have. Low-line direct TPMS systems simply prompt a low pressure warning light, leaving it up to the driver to determine which tire needs more air. Hi-line direct TPMS systems display the individual pressure of each tire on the dashboard. This gives you a more in-depth look at the state of the vehicle, telling you which specific tire is low, and by how much.

It also generally means you can monitor tire pressure on a regular basis, without even getting out of the car. Tire pressure is one of the least understood components of vehicle maintenance out there. Most people understand that worn tire tread is incredibly dangerous, but low or uneven tire pressure can be just as threatening. Tires are designed to be operated within a certain pressure range, usually depicted on a plate inside the driver's door sill, and often on the tire itself.

As the pressure becomes lower, more and more of the tire comes in contact with the road. At a certain point, a section of the tire wall itself starts to run against the road.

This part of the tire is very different to the tread area, and as a result can and will wear very quickly. This poses a significant safety issue for everyone in your vehicle, as driving around with a low pressure tire means a much greater risk of a tire blowout.

Though some blowouts mostly at low speeds are controllable, extreme blowouts at high speeds can have disastrous consequences. On a less worrisome level, lower tire pressure means more surface area on the ground. This increases friction and inevitably pushes up your fuel consumption.

Another reason to check your tire pressure at least once a month. If not, then you should head to the nearest gas station and check your tire pressures.

In this case, your tire pressure sensor has done its job, and you should take it as a reminder that you need to up your maintenance game. TPMS systems are not a replacement for regular tire pressure checks.Some critical readings, unlike this one, mean that the car should immediately get taken to a mechanic for a remedy. This one is more like a warning, but ignoring it can cause problems in the future for people who rely upon their automatic tire gauges.

In fact, it is likely that nothing at all is wrong except the sensor has failed. The dashboard gauge might display a tire pressure alert when the tires are properly inflated. This is usually also a really easy problem to get fixed. In some cases, it is caused because the sensor battery has gone bad. In other gases, it might just mean that a wire is loose and needs to get adjusted or replaced.

Again, this is not a critical problem. Even tires that are slightly flat can make cars perform a lot worse, and they also take more fuel to run. In many cases, their is no fault. But the owner cannot seem to get the alert to turn off even when the tire is inflated exactly right.

Tire Pressure Sensor Fault: Here’s What You Need To Know

This seems to be a common problem with tire pressure sensors in other makes of cars too. The only issue is that it may go back on when the pressure has actually dropped to exactly what it should be. This is one of the message codes that is not critical. Still, people who rely upon the light on the dashboard to check tire pressure sure probably get it fixed.

The other choice is to make a habit of checking tire pressure the old way.It's hot. Real hot. Fortunately, the new car you bought right before that Arizona spring-break road trip has air conditioning that works great, in spite of the heavy pop-up trailer and loaded roof rack weighing it down.

You pull in for gas and lunch, and carefully check the pressure in the trailer tires with the gauge that lives in your glovebox. The tires on your crossover are fine though, because all new cars have a tire-pressure monitoring system that will tell you if your tires are low from the comfort and safety of your driver's seat.

The desert beckons, and 40 miles of heat-shimmered asphalt later, a tire blows. What happened?

What does the “Tire Pressure Sensor Fault” message mean?

After swapping in the spare, you continue your trip at a more sedate pace. The TPMS light is on, and you stay well under the speed limit until you can check the tire pressures with a gauge. Surprise--they're all low. Surprise No.

A Department of Transportation study dating back to says that 60 to 80 percent of cars on the road are running tires underinflated by as much as 10 percent. Worse yet, they say that 20 to 50 percent are being driven with tires down in pressure by as much as 20 percent. Yet, here's the scariest part: If your tires are low, even falling into that minus 20 percent category, your TPMS won't tell you--ever. The TPMS warning light is only required to illuminate when the pressure gets 25 percent below the correct value, which is enough to reduce fuel economy, lower the available grip especially in wet conditions and make tires run substantially hotter.

Once you understand how your TPMS system works, you'll understand why it doesn't obviate the need for regular tire-pressure monitoring.

tire pressure sensor fault

There are two types of TPMS on the market, direct-reading and indirect. Indirect systems use only software and readouts from the individual wheel-speed sensors used by the antilock brake system. If all four tires are properly inflated, they will all rotate the same number of revolutions in a stretch of road. If one tire rotates more than the other three, it has a shorter rolling radius because the pressure in it is low.However, a lot of drivers complain that TPMS warning light keeps blinking even after they have filled your tires to the proper tire pressure.

Before we move on to resetting the TPMS, it is important to understand the type of monitoring system your car has.

However, the direct TPMS is most likely to malfunction due to bad weather conditions. It is usually found in cars in the United States. These sensors measure the speed of the wheel rotation and idetify changes as underinflated tires rotate much faster compared to a regularly filled tires. This system is found in cars in Europe. Resetting the TPMS differs from car to car but there are some general techniques that are easy to execute and help in successfully recalibrating the monitoring system.

Before you try to reset your TPMS light, you should always make sure that you have the right tire pressure in your vehicle. Use a tire pressure gauge to check the tire pressure. Inflate each tire to its ideal PSI then deflate the tires to zero. Then inflate again and drive for a couple of minutes at 15 mph to manually calibrate the sensors.

If you want to learn more about how to find the correct tire pressure, you can check out this guide: Tire pressure. Most of the cars with direct TPMS have a reset button located under the steering wheel through which you can conveniently re-calibrate the sensors. These buttons can be located in different places depending on the car model. Check your car owners manual.

tire pressure sensor fault

Start the vehicle and drive for 20 to 25 minutes, then turn off the ignition. Some newer cars have this reset in the menu. This might be the easiest method as it requires you to just drive your car at 50 mph for about 10 miles and the sensors will automatically calibrate themselves after you made sure that the tires have the right tire pressure. Some vehicles require a higher speed and you can also use cruise control to keep the speed constant.

Every car has an onboard computer which may face certain glitches from time to time. The best way to fix these glitches is to reset the computer and this can be done by disconnecting and reconnecting the battery. Reconnect the positive terminal and the TPMS warning light should go away.But what exactly does it mean and how do you fix it? Looking for a good online repair manual? Click Here for the 5 best options.

A tire pressure sensor is a small computer located inside each tire. It is designed to alert drivers of an under-inflated tire.

There are two common types of tire pressure sensors. The first is a valve type: the sensor and valve stem are one unit. The second is a band sensor: the sensor is mounted to the inside of the rim with a metal band.

This light is generally bright yellow, and looks like an exclamation point! This is the drivers warning to check on their tires, as one may be flat or just low. Driving on an under-inflated tire can cause the vehicle to pull in one direction or the other, depending on which tire is low.

This will cause the driver to have poor control over the vehicle, which is very dangerous. This eventually can cause a blow out to occur once the tire is re-inflated. Driving on a completely flat tire will require that tire to be replaced due to this damage. At this point, the only concern the driver will have is the light glaring at them from the dash.

A failed sensor will require the driver to be more attentive to the pressure in their tires, since it is not reading the actual pressure anymore. This should be fixed at the earliest convenience for safety reasons. The quickest and easiest repair for this issue is to check the pressure of all the tires with a quality air pressure gauge.

These gauges can be picked up at any parts store and even most gas stations. Many vehicles have a pressure sensor in the spare and it is often overlooked.But, what does this mean and how expensive will it be to fix it?

Will it disappear once I have inflated my tires to the correct pressure? In this article, you will learn what it means and how you can repair it the fastest and best way. The error code may tell you that the air pressure in the tires is too low or too high, or the tire pressure sensor is defective. If you see the tire pressure sensor fault message on your dashboard, I would recommend that you make sure that the tire pressure is correct in all tires, then reset the TPMS system and drive for a while to see if the message disappears.

You can also scan the TPMS control unit and read the error codes with a scanner. A TPMS system can operate in two different ways. If you have a vehicle manufactured afteryou will most likely have a TPMS system in your vehicle. Some vehicles have sensors in each tire of your vehicle. The sensors sense what tire pressure you have and send that information to your TPMS control unit. Other cars have no sensors in their tires, and they use the ABS sensors to calculate your wheel rotation.

If you have low pressure, the wheel diameter will be more compressed and must rotate faster to reach the same speed as the car. For this reason, you must drive for a distance before the car displays the tire pressure for you. This is only a simple estimation and not the exact tire pressure. First, you should make sure that you have the correct tire pressure in all your tires. Check your tire pressure with a tire pressure gauge. To find the correct pressure you should check the tire pressure label.

You can also find it in your repair manual. When the tires are warm, you should always inflate a little more pressure than the label says. Tire pressure can vary greatly depending on the temperature of the tire. If the label states that the tire pressure is kpa, the TPMS system stores this as an error code when the pressure drops below that level. If you inflate it to kpa when the tire is hot, it can drop to kpa when the tire is cold, and the error code is triggered.

In this case, it is better to inflate a little more than the label indicates. Once you have inflated your tires to the correct pressure, you often have to reset the system manually.

Some cars have a reset button and some cars you should drive for around 15 minutes until the lights go out. Refer to your repair manual to reset the TPMS system on your vehicle. If the error still occurs, you will need to read the TPMS system error codes to see what the error codes are.

It could be a communication error with one of your tire pressure sensors or a damaged tire pressure sensor. Tire pressure sensors are typically installed inside car tires. You can usually see it when you look at the tire air valve.

When a tire pressure sensor is installed, you can often see a nut placed around the valve, but not in all cases. The only way to find this out is to remove the tires from the rim or call your authorized dealer and ask him. Many cars do not use tire pressure sensors, they take the speed from the ABS sensors and calculate the speed of each tire and calculate the tire pressure. If you have further questions about the TPMS system or would like to tell us how you solved your problem, please comment below and I will respond as soon as possible.

Hello I'm Magnus, the owner and the writer of this website. I have been working with cars since I was 16 and I'm specialized with in-depth Automotive diagnostics. Also been driving drifting for the last 6 years.

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