Tire Pressure Sensor Fault (Symptoms & How to Reset)

Jerry Wilson
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What is a Tire Pressure Sensor Fault?

A Tire Pressure Sensor Fault is a condition that can occur if you drive or inspect your vehicle and the TPMS light is on in the dash.

The TPMS light indicates that the Tire Pressure Monitoring System (TPMS) is not functioning as it should. It does this by displaying a warning light in the dash.

If you travel long distances, regularly driving more than 50 miles, then you are required by regulation to have a TPMS for your vehicle.

Many vehicles now also have a Tire Pressure Monitor Light that provides a warning earlier. This means the tire pressure is less than optimal. The light may be illuminated when the driver is only a short distance from tire pressure reaching the limit set by manufacturers.

The main purpose of TPMS is to alert the driver when the tire pressure drops below a certain amount. It also allows the driver to determine if the low pressure warning is due to a flat tire.

The system includes several components. There are temperature and pressure sensors in each wheel. These sense the wheel pressures and how they change. This is relayed to the central control unit (CCU), which combines the information and determines if a warning is needed. A TPMS correctly installed vehicle should be able to tell you which tire is at fault and by how much.

Symptoms of Tire Pressure Sensor Fault

You’re driving along and you hear the sound of a flat tire. This can be a scary situation and cause you to panic and lose focus. Thankfully, you can usually override the fault and drive carefully to the nearest assistance point.

This can happen with the TPMS (Tire Pressure Monitoring System) on some vehicles. If you hear an audible warning, have a fault indicator light on, or get a TPMS warning, you can be sure that there is a problem with the system.

A sensor fault could mean one of two things. First, it could be an issue with the sensor itself, or second, there could be a problem with the system. Either way, it’s important to take care of the fault as soon as you can.

Causes of Tire Pressure Sensor Fault

A tire pressure sensor fault is when your tire’s alert light flickers or stays on continuously.

The light is there to help you avoid problems with your tires. When it lights up, it indicates that there’s a problem with the tire pressure. The most common cause is an issue with your tire pressure sensor.

The sensor is part of a system that measures and reports the pressure in each tire. The light on your dashboard is designed to be a visible signal of a problem.

The vehicle and the sensor must be calibrated so that the system is accurate. Over time, the sensor may lose calibration and give faulty readings. There are other possible causes such as tire damage, corrosion or signal interference.

It’s like any other sensor, it can malfunction if it does not receive the right signals.

Ways to Reset the Tire Pressure Sensor

The Tire Pressure Sensor (TPS) is a component in your vehicle that measures your tires’ air pressure. Whenever the TPS senses that there is a pressure problem, it will alert you, often through a dashboard light. You must then check your tire pressure.

If you are having a hard time resetting the TPS once you check the pressure and it’s fine, you can try the following steps. You may only need to do one of these steps.


Once you have put the tire on the car, and you find that the tire pressure sensor indicator is flashing, then you will probably find that the tire needs to be refilled. However, the tire needs to be removed from the vehicle in order to add air.

When you find yourself in this situation, you should first ensure that the tire is still seated properly. If the problem is still occurring, then you can do the necessary electrical tests on the sensor itself.

The final step would be to replace the sensor. Obviously, if the problem occurs with each new tire, it is a safety hazard. The safety of your car as well as your passengers should be the primary concern.