Posted on: October 3rd, 2016 by

Tire Pressure Monitoring System (TPMS) alerts driver to low tire pressure in a specific tire. X07SP_CO019

First, we need to understand what we refer to as direct TPMS as well as the indirect TPMS. The direct TPMS which are otherwise known as the direct tire pressure monitoring systems (linear sensor TPMS) refers to a TPMS that makes use of tire pressure sensor that is directly mounted either on the wheels or directly on the tires of the vehicle.

Indirect TPMS

The indirect TPMS, on the other hand, refers to the TPMS that do not have their air pressure sensor mounted directly on the wheels or the tires of the vehicle. These systems rather make use of the comparison between the relative wheels speeds through the anti-lock brake system (ABS) wheel speed sensors for them to be able to detect low pressure.

Why motorists prefers Direct TPMS to indirect TPMS

In the case of the indirect TPMS, it is required that the motorists drive a substantial distance before the air pressures in the tires can be estimated. Most aftermarket TPMS are made of the indirect system.

Amidst various opinions’ of people globally over the supremacy of the direct and indirect TPMS technologies, one thing is certainly crystal clear: Whenever a customer is presented with the opportunity to choose between the direct and the indirect TPMS, they will prefer to choose that of the direct TPMS.  Find out more in this site :

According to research that was done by fast MAP on behalf of Schrader tpms has shown that about 69% of drivers will rather prefer not to add the burden of having to reset an indirect TPMS to their to-do list manually. However, because the indirect TPMS does not have a pressure sensor, a vehicle equipped with one will have to be manually recalibrated by its owner any time a tire pressure is either modified, or one of its tires is changed.

This ultimately gives the driver or the owner some level of control, which is usually missing in most other safety devices in a vehicle.

Furthermore, it is required for an indirect TPMS that all its four tires are inflated to its recommended pressure and also be under optimum conditions so that it can work efficiently. This makes it look as if its purpose has already being defeated since its primary purpose is to alert you about the air pressures in your tires.

The disadvantages of indirect TPMS

The indirect TPMS also needs the driver to replace the original tires with some specific tires using the tire pressure sensor when the need arises, so as to allow the proper functioning of the system. Also, an indirect TPMS will fail to alert you when all the four tires have the pressures go below the recommended level at the same time.

When this occurs, it makes the tires wear away quicker which will ultimately lead the vehicle to be unsafe on the road. With so many of these things to note about indirect TPMS, it is no doubt that the direct beru TPMS is just perfect for everyone.

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