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Tire Pressure Monitoring System (TPMS): A close look

Every day there must be a report of a car accident caused by tire malfunctioning. Either it will have been caused by under-inflation of tire burst due to worn out tire. These two instances could have been caused by either the negligence of the driver or unavoidable tire issues.

With Tire pressure monitoring system (TPMS), such accidents could have been avoided.

For if it was due to tire under-inflation, the driver could have been warned long before the danger. He could have then taken necessary action immediately.

With Tire pressure monitoring system (TPMS), such accidents could have been avoided.

Tire pressure monitoring system TPMS is a system in the car that indicates and warn you that there is either one tire of more that has been inflated or having significantly low pressure.

Types of TPMS

There are two types of TPMS. These are direct and indirect.

Bonus: Best TPMS Tools Review

The Direct TPMS

Direct TPMS has special sensors within the tires that are pressure sensitive. They monitor the exact pressure in the tires. Also, these type of sensors goes a little further by providing readings of the tire temperature.

All the data according to the situation of the tires are collected and transmitted to the dashboard. This is where the indicating lights will inform you of the situation of the tires.

Each sensor in each tire has a unique number to enable the driver to know exactly which tire has a problem.

However, replacing this type of TPMS might be complicated due to its complex system. I highly experienced technician with the knowledge of this type of system would be required to handle such a highly complex system.

The indirect TPMS

The indirect TPMS depends on the sensors on the wheel speed that are used by the anti-lock brake system. These sensors compare the speed of the vehicle to the revolution of each wheel by using a computer system which is on-board.

The computer can interpret all size of the vehicle’s tires by the rate of their revolution. When the wheel spins faster than normal, then the computer reports the tire to be under-inflated. A message is then delivered to the driver by an indicating light.

The indirect TPMS does not then measure the tire pressure but it measures the tire revolution.

Benefits of TPMS


Tires that are under-inflated can cause danger while driving on them. The TPMS will always warn you when there is low pressure on the tire. Once you realize this, change your tire immediately and in the next tire maintenance shop, let it be checked and repaired.

Being conscious and attentive to the systems, you will always be assured of safety on the road.

Fuel Saving

A lot of fuel than normal can be used when driving on the under-inflated tire. An under-inflated tire does not have stability. It can make the vehicle to drag at a low speed using a high gear and thereby consuming more fuel. Proper tire pressure will save you on fuel consumption.

A lot of fuel than normal can be used when driving on the under-inflated tire.


Before TPMS, drivers had to stop at fuel stations to measure their tires pressures. Bending on each tire and all the processes of checking pressure, was really time consuming and tiresome.

With TPMS, you only have to stop when you notice under-inflated tire and that you need to change it. Otherwise, it is smooth driving without tire hustles.


With TPMS, the insurance companies are sure that chances of accidents are low. As we said, many accidents are caused by a tire problem. In this case, the insurance will allocate you better and low insurance policy that if you did not have a TPMS.

Vehicle Value

Most of the new vehicles come with TPMS already installed by the car dealers. With this system, the dealers are able to sell the vehicles a little higher than the normal price. The reason is TPMS. TPMS Maintenance Issues Passive Regeneration.

With this system, the dealers are able to sell the vehicles a little higher than the normal price.

Maintenance of Tire pressure monitoring system is very important. It is very important to be assured that your system is in good working condition. Whenever you are changing your tire, precaution should be taken so that you do not interfere with the tire pressure monitoring system.

If for some reason it was accidentally hit by the pry bar, it is always advisable to have it checked and maintained.

At all time when driving, the driver is cautioned to keep an eye on the blinking light of the sensor. This is because every blink is a message.

The Bottom Line

Without TPMS in your tire, then it means you really do not care about your life. The government should at least put strict measures on having all vehicles installed with TPMS. By so doing, then accidents on our roads would definitely reduce.

Read more: How To Rotate Tires Properly

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Tim MillerFounderOBD Advisor

I knew incidentally what an OBD scanner was by searching on the Internet. Now I have over 10 years of experience in car repair and using OBD scanners. With what I know, I think I should share with everyone. That’s the reason I created this blog.

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