Frequently Asked Questions


  • We performed a tire change and installed a new sensor but aren’t receiving sensor transmissions. What do we do?

    It is possible that the sensor was installed correctly, but the sensor ID wasn’t changed or wasn’t input correctly in the client application. Try entering the sensor ID again and wait for transmissions. If you have access to a laptop with the TyreSense client application, you can also use Sensor Tracker to detect all transmitting sensors within range of the receiver unit used. Look for a sensor with the correct pressure and a sensor ID that is similar to the one written on the shop installation record or entered in the client application.





  • Why does the pressure line rise and fall while the cold pressure line remains flat?

    The rising and falling gauge pressure phenomenon we see within a tire is a result of changing temperature, according to the Ideal Gas Law, stating that pressure is proportional to temperature. As the temperature increases, there will be a rise in pressure. The cold pressure line is compensated for temperature, however, and should remain flat. Furthermore, on a TyreSense datalog for a fully sealed tire, there should be pressure fluctuations within 1 PSI, proving that the temperature measurements and pressure correlation is exact. If the cold pressure line changes, this could indicate an over pressure or under pressure situation.

  • What information does the cold pressure line in a graph or datalog provide?

    The cold pressure line should be flat in a graph or datalog for a sealed tire. If a graph or datalog shows a decline in the cold pressure over time, this indicates there is probably a leak. A tire losing 1 PSI of pressure per day might not be detected by daily pressure checks for several weeks, however, changes in the cold pressure values in a vehicle’s datalog can help crews identify leaks more quickly. Also, the system can be configured to send alert notifications when a cold inflation pressure threshold is reached.