Tyre pressure sensors are sensors that work with the systems identifying the pressure in your tyres. Small and located in the pressurized pocket between the wheel and tyre, this sensor constantly measures the air pressure and transmits information via the low-frequency radio to your vehicle’s computer.

Whenever one or more of your tyres are low on air, this sensor notifies you through the Tyre Pressure Monitoring System (TPMS), a feature that has been standard in many passenger vehicles ever since 2008. The sensor can also prevent a blowout.

A Tyre Pressure Sensor Works With TPMS To Warn You That Your Tyre Is Losing Pressure

If the tyre pressure sensor detects that air pressure in a tyre has dropped to a level that is below 25% of the recommended air pressure, it will notify you through the TPMS and the instrument cluster. The warning might come in the form of a light on your dashboard or a sound along with a warning message. In many cases, the symbol of the light looks like a flat tyre as viewed from behind the car. To make sure that the light is the TPMS sensor, check your owner’s manual.

There are various models of TPMS sensors out there. All of them indicate loss of air pressure in the tyres. Some, however, are more sophisticated and indicate temperature or exact tyre pressure for each tyre (measured in PSI). As a result, you can see when you have a flat tyre or prevent a complete blowout in the event that your tyre has already started losing pressure.

tpms sensor in tyre
A visual representation of a TPMS sensor and its placement within the tyre.

When seeing the TPMS light flashing on the dashboard, drivers should immediately pull off to the side of the road. They can prevent a tyre blowout and be in control until they check the tyre or replace it with the spare one.

Do You Need To Change TPMS Sensors?

Fortunately, tyre pressure sensors do not require constant maintenance. However, all of them are powered by batteries and usually last for several years. These batteries are tiny and can be replaced.

In many cases, a TPMS sensor can also detect other issues such as issues with the metal valve stem, tyre temperature, loss of air that is not because of a tyre puncture, etc. There are also times when the tyre pressure sensor might malfunction and show inaccurate data, but it is always good to check the tyres when the warning light shows up.

What To Do When The TPMS Sensor Lights Up?

If you are located near a gas station when the TPMS light indicator shows up, make a stop to check the pressure of your tyres with the air hose and inflate your tyres if needed. However, if the TPMS warning comes on again after a short period of time, there is probably a leak in one of your tyres. The best way to proceed is to visit a Dubai tyre shop and have your tyre repaired without delay.

tyre pressure symbol indicator
The common symbol of the tyre pressure indicator on a vehicle dashboard.

Avoiding A Tyre Blowout

The best way to avoid a tyre blowout is by constantly monitoring your tyre pressure. Studies have shown that many drivers cannot accurately identify the low tyre pressure warning lights, which is why you need to understand what the symbol and light look like before they eventually show up.

While the TPMS is a great way to get alerts about tyre pressure in your tyres and potential issues, it cannot actually fix them. The sensors are only to alert you that there is a problem with your air pressure and to potentially prevent a blowout. Checking your tyre pressure is especially important when temperatures are changing between colder and warmer weather, causing the air in your tyres to condense or expand.

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Next, be sure to replace your worn out tyres with a set of new tyres in UAE. If you want to see when is the best time to replace your tyres, you can read more about the average tyre life here . The easiest way to tell if you need new tyres for your vehicle is by checking your tread. The deeper the tread, the better your traction. Obviously, if you are used to driving a lot or in especially slippery conditions, it may be better to replace your tyres even sooner.

Our team at TyresOnline is here to assist you with your tyre needs. If you are based in Dubai, Abu Dhabi, Sharjah or any location within the UAE, now you can shop for tyres online in UAE and find the best model for your needs and budget.