Internal vs. External TPMS: Which is Right for You?

Tire Pressure Monitoring Systems (TPMS) are a vital component of modern vehicles, enhancing safety and optimizing tire performance. While both internal and external TPMS serve the same fundamental purpose – monitoring tire pressure – they differ in how they achieve this goal. In this blog post, we'll explore the key distinctions between internal and external TPMS and help you determine which one is the right choice for your needs.

Understanding Internal TPMS

Internal TPMS, also known as Direct TPMS, utilizes sensors that are installed inside each tire on your vehicle. These sensors continuously monitor tire pressure and temperature, sending real-time data to a central control unit in your vehicle. If a tire's pressure falls outside the recommended range, the system triggers a warning on your dashboard.

Advantages of Internal TPMS:

1. Accuracy: Internal TPMS provides highly accurate tire pressure data, making it ideal for precision monitoring.

2. Reliability: It offers consistent performance, as the sensors are protected from external factors like harsh weather and potential theft.

Considerations:

1. Installation: Mounting sensors inside each tire requires professional installation, and replacing them if they malfunction can be costly.

2. Cost: Internal TPMS tends to be more expensive due to the sensor placement and installation.

TY1-DF 2-in -1 TPMS SENSORS

Exploring External TPMS

External TPMS, also known as Indirect TPMS, takes a different approach. It relies on sensors that attach to the valve stems on the outside of your tires. These sensors monitor tire pressure and transmit the data wirelessly to a display unit inside your vehicle. When a significant change in tire pressure is detected, the system will notify you via a dashboard alert.

Advantages of External TPMS:

1. Ease of Installation: External TPMS is typically straightforward to install, often a DIY process.

2. Cost-Efficiency: It is generally more affordable, as there's no need for professional installation.

3. Extended Coverage: Our TY20-RF-equipped external TPMS can monitor up to 22 wheels, which is particularly beneficial for larger vehicles, such as trucks, buses, or even recreational vehicles (RVs). The repeater system ensures that you receive real-time, accurate tire pressure information from every tire, even in cases where there might be significant distances or obstacles between the sensors and the monitoring unit. This extended coverage contributes to comprehensive and reliable tire pressure monitoring, making it an excellent choice for fleets and vehicles with multiple wheels.

Considerations:

1. Less Precision: External TPMS might provide slightly less precise data compared to internal TPMS due to its external sensor placement.

2. Vulnerability: Sensors are exposed to environmental factors and potential theft, which could affect their reliability.

External TPMS offers an additional advantage when equipped with our TY20-RF Repeater System

Which TPMS Is Right for You?

Choosing between internal and external TPMS depends on your specific needs and preferences:

• Internal TPMS is the preferred choice for those who prioritize precision and accuracy. It's ideal for high-performance vehicles or situations where precise tire pressure control is crucial.

• External TPMS is a more budget-friendly option and is easier to install. It's a great choice for everyday vehicles where extremely precise data isn't the top priority, but regular tire pressure monitoring is still essential for safety and performance.

In conclusion, both internal and external TPMS serve as valuable tools to keep your tires properly inflated and your vehicle safe. Your choice ultimately comes down to your vehicle type, your budget, and how important pinpoint accuracy is for your driving needs. Whichever TPMS you opt for, you'll be taking a significant step toward safer and more efficient journeys on the road.