What is TPMS?

What Is A Tire Pressure Monitoring System?

A tire pressure monitoring system or TPMS is an electronic system for monitoring the air pressure in a vehicle tire and automatically transmitting a warning to the driver in the event of an under or over inflated tire. These systems have been legislated to be progressively installed on all new passenger carrying US vehicles and a similar move is taking place worldwide.

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The majority of systems use Direct tire sensors which transmit real time tire pressure information to the driver of the vehicle either via either a dashboard display or a warning light. The sensors are physical pressure transducers which are attached to the back of the valve stem or are in a form which is banded to the wheel. The sensors are manufactured by International companies such as Schrader, Siemens, TRW, Pacific, Lear and others. There is no common technical standard for the sensors and the OE's and suppliers have generated a multitude of sensor designs.

The sensors also transmit data such as their unique sensor ID, temperature and pressure, battery life and other diagnostic information. This data is sent to the Engine Control Unit (ECU) or specific receiver on the vehicle. Those vehicles which have graphical displays of the TPMS positions can then show on which wheel there is a problem.

Why is there a need for Tire Pressure Monitoring?

Tire Pressure Monitoring helps drivers to properly maintain their vehicle tires, improves vehicle safety and aid fuel efficiency. The National Highway Traffic Safety Administration (NHTSA) in the US has estimated that 533 fatalities per annum are caused by tire defects in road accidents. Adding TPMS to all vehicles could avoid 120 of the 533 yearly victims and save as many as 8,400 injuries every year. Sécurité Routière (the French Institution for Road Safety) estimates that 9% of all fatal road accidents are attributable to tire under-inflation and the German DEKRA estimated that 41% of accidents with physical injuries are linked to tire problems. Tires leak air naturally and over a year a typical new tire can lose between 3 and 9 psi. As most drivers only check their tires at service intervals and when problems occur there is significant scope for fuel savings and efficiencies.

Given this background the US Federal government has legislated for the mandatory use of TPMS. The TPMS mandated by the US law must warn the driver when a tire is under-inflated by as much as 25%.

What is a Tire Pressure Monitoring Tool?

There is no common standard for the TPMS sensors with variations including frequencies, modulations, data structure, communications protocols, mechanical fitment and many other factors.

When TPMS is installed and tested in the car plant by Bartec the process includes:

For more information, please visit TPMS Sensor Tool.

• The TPMS sensors are attached to the wheel during the Wheel and Tire assembly process
• The wheels are attached to the vehicle. This is the first time at which the TPMS can be clearly associated with the vehicle
• Fixed radio antennas are used to extract the unique IDs (and other data) of the TPMS, associate them with their wheel position on the car and the Engine Control Unit (ECU) can then be programmed with this data
• The car is then run through Rolls Test where the system is tested

Similarly the car dealer or tire shop needs to have a portable TPMS tool available to test the TPMS and read the wheel sensor ID and program the car's ECU in the event of TPMS battery failure, broken sensor/valve, or other repair or replacement of wheels and sensors for custom wheels, winter tires, tire rotation etc. The tool needs to be able to turn out the TPMS warning light.

Please browse our website for more information about Bartec USA LLC and our range of TPMS Tools and our professional Tire Pressure Monitoring System support, then call toll free 855-877- and speak to one of our team or us at .

In today&#;s fast-paced world, the safety and efficiency of our vehicles hinge not just on the engines that power them or the brakes that halt them but also on the tires that carry them. The Tire Pressure Monitoring System (TPMS) is a pivotal advancement in automotive safety technology. This system serves as a guardian and a guide, ensuring your vehicle&#;s tires are safe and optimally efficient. In this article, we&#;ll dive into TPMS, why it&#;s crucial for every vehicle owner, and how to maintain it for enduring benefits.

What is  TPMS?

At its core, a TPMS is an electronic system designed to monitor the air pressure inside pneumatic tires on various types of vehicles. TPMS reports real-time tire pressure information to the vehicle driver, either via a gauge, a pictogram display, or a simple low-pressure warning light.

What should you do if your TPMS warning light is on?

If your light on the dash turns on, that indicates that one or more of your tires is significantly underinflated, which can affect vehicle handling, fuel efficiency, and safety. The first step is to pull over safely and visually inspect your tires for any signs of damage or noticeable deflation. Next, use a tire pressure gauge to check the air pressure in all four tires, comparing the readings to the recommended levels found in your vehicle&#;s owner&#;s manual or on the driver&#;s side door jamb. If a tire is low, inflate it to the specified pressure; (we recommend keeping a mobile inflator in your vehicle for emergencies such as this.)

If you don&#;t have access to a gauge or air pump, drive cautiously to the nearest service station. After inflating the tires to the correct pressure, the TPMS light should turn off after driving a few miles. If the light remains on or you notice any issues with tire pressure stability, consult a professional mechanic to ensure there are no leaks or sensor malfunctions. Regular maintenance and timely response to the TPMS warning light can help prolong tire life and ensure safe driving conditions.

Here&#;s a quick video about the types of dash-lights that will alert you to the tire problem. You don&#;t want to wait around to address the issue. One is the traditional light that is the Telltale lights that And the other is the Malfunction Indicator Lamp (MIL).

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