Business Protection  ·  Safety & Compliance

How to Choose the Right Tire Pressure Monitoring System (TPMS)

Nataliya Topal
 June 13, 2023

Choosing your vehicle’s correct tire pressure sensor is crucial for optimal performance, safety, and fuel efficiency. With a wide range of options available, it’s essential to consider certain factors when selecting. Factors such as compatibility with your vehicle’s make and model, accuracy and reliability of pressure readings, ease of installation and use, durability, and compatibility with your existing tire management system are critical. Incorrect tire pressure can reduce fuel efficiency, increase tire wear, affect handling, and raise the risk of tire-related incidents. Tire pressure monitoring systems help drivers identify issues early and maintain optimal tire performance.

Understanding Tire Pressure Sensor Systems

Tire pressure monitoring systems (TPMS) use sensors to track tire pressure and alert drivers when levels fall outside the recommended range.

Direct Tire Pressure Monitoring System

Direct TPMS utilizes individual sensors attached to each tire’s valve stem or integrated with the tire’s inner lining. These sensors directly measure the tire pressure and provide real-time data to the vehicle’s onboard computer system. In case of abnormal pressure changes, the system alerts the driver through a dashboard display or warning light.

Indirect Tire Pressure Monitoring System

Indirect TPMS, on the other hand, relies on the vehicle’s anti-lock braking system (ABS) to indirectly monitor tire pressure. This system uses wheel speed sensors to analyze tire rotations and detect deviations caused by changes in tire pressure. Although indirect TPMS is less accurate than direct TPMS, it is often more affordable and easier to install.

Different Types of Tire Pressure Sensors

Tire pressure sensors can be categorized into two main types: internal-mounted and external-mounted sensors.

Internal-Mounted Sensors

Internal-mounted sensors are installed inside the tire, typically attached to the valve stem or mounted on the wheel rim. They provide accurate and real-time tire pressure readings but may require professional installation.

External-Mounted Sensors

External-mounted sensors are attached to the valve stem outside the tire. They are relatively easier to install, but their location exposes them to potential damage from road debris or theft. These sensors may need to be more accurate compared to internal-mounted ones.

Pros and Cons of Internal-Mounted Sensors

Internal-mounted sensors offer several advantages and disadvantages:

Pros:
  • Accurate and precise tire pressure readings
  • Protection against theft and damage
  • Integration with onboard computer systems
  • Real-time monitoring and alerts
Cons:
  • Professional installation may be required
  • Higher initial cost
  • Battery replacement may involve tire removal
Pros and Cons of External-Mounted Sensors

External-mounted sensors also have their own set of advantages and disadvantages:

Pros:
  • Easier installation and setup
  • Lower initial cost
  • Battery replacement without tire removal
Cons:
  • Potential vulnerability to theft and damage
  • Less accurate readings compared to internal-mounted sensors
  • Limited integration options with vehicle systems

Factors to Consider When Choosing a Tire Pressure Monitoring System

When choosing a tire pressure sensor, consider factors such as compatibility, accuracy, connectivity, battery life, installation requirements, and overall cost. Evaluating these criteria can help ensure reliable tire pressure monitoring and long-term performance.

Compatibility with Vehicle Make and Model

Ensure the sensor is compatible with your vehicle’s make and model. Different vehicles may use different TPMS technologies, communication protocols, or installation requirements. Choosing a compatible sensor helps ensure accurate readings and reliable system performance.

Sensor Accuracy and Precision
Ensure the sensor is compatible with your vehicle’s make and model. Different vehicles may use different TPMS technologies, communication protocols, or installation requirements. Choosing a compatible sensor helps ensure accurate readings and reliable system performance.
Connectivity

Opt for sensors that offer wireless connectivity to your vehicle’s onboard computer system. This allows seamless integration and real-time monitoring, providing convenience and peace of mind.

Battery Life

Consider the sensor’s battery life, as it determines how frequently you need to replace or recharge the batteries. Longer battery life reduces maintenance efforts and costs.

Easy Installation and Setup

Choose sensors that are easy to install and set up. Some sensors require professional installation, while others offer DIY options. Consider your preference and skill level before making a decision.

Cost and Budget

While upfront cost is an important consideration, organizations should also evaluate the long-term value of a tire pressure monitoring system. More reliable sensors may help reduce maintenance costs, improve tire lifespan, and minimize vehicle downtime over time.

Get the right tire pressure sensor for your vehicle

Installation and Calibration Process

The installation and calibration process may vary depending on the type and model of the tire pressure sensor. Internal-mounted sensors often require professional installation due to the need for tire removal. External-mounted sensors, on the other hand, can be easily installed by following the manufacturer’s instructions. Calibration processes may involve pairing the sensors with the vehicle’s onboard computer system or manually adjusting them.

Maintenance and Troubleshooting Tips

Maintaining and troubleshooting your tire pressure sensor will ensure its optimal performance and longevity:

  1. Regularly check tire pressure and compare readings with the sensor’s readings.
  2. Clean sensors and valve stem during tire maintenance to prevent debris buildup.
  3. Replace batteries according to the manufacturer’s recommendations.
  4. Address any warning alerts promptly and investigate potential causes.
  5. Consult the vehicle’s user manual or manufacturer for specific maintenance guidelines.

Why Tire Pressure Monitoring Matters for Fleet Operations

For fleet operators, proper tire pressure is about more than vehicle maintenance, it can have a direct impact on operating costs, safety, and vehicle reliability. Underinflated tires create additional rolling resistance, which can increase fuel consumption and accelerate tire wear over time. Specifically, even small decreases in tire pressure can increase rolling resistance and fuel consumption. According to the U.S. Department of Energy, every 1 PSI drop in average tire pressure can reduce fuel economy by approximately 0.2%. Improper tire pressure can also affect vehicle handling and braking performance, increasing the risk of tire-related incidents on the road.

Tire pressure monitoring systems help fleet managers identify potential issues before they lead to costly repairs, unexpected downtime, or safety concerns. By providing real-time visibility into tire pressure levels, TPMS enables proactive maintenance and helps ensure vehicles remain in optimal operating condition.

For organizations managing multiple vehicles, even small improvements in tire maintenance can contribute to lower operating costs, improved safety, and longer tire lifespan across the fleet.

Next Steps for Your Fleet

Proper tire pressure monitoring helps reduce fuel costs, extend tire life, improve safety, and minimize unexpected downtime. Whether managing a single vehicle or an entire fleet, selecting the right TPMS is an important step toward more efficient vehicle operations. 

Contact us to discover how PosiTrace helps fleet managers improve vehicle health and operational efficiency through real-time monitoring and fleet management technology.

Frequently Asked Questions

Check the tire pressure at least once a month and before long trips. Regular monitoring helps maintain optimal tire performance and fuel efficiency

Depending on the type of sensor and your mechanical skills, you can install an external-mounted sensor yourself. However, internal-mounted sensors usually require professional installation.

Tire pressure sensors vary in compatibility. It’s crucial to ensure your chosen sensor is compatible with your vehicle’s make and model.

In most cases, replacing tire pressure sensors when changing tires is unnecessary. However, it is recommended to have the sensors inspected during tire replacement to ensure they function correctly.

Tire pressure sensors have varying lifespans based on use, battery life, and quality. However, most sensors can last anywhere from 5 to 10 years with proper maintenance.

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