During my last training session, I received a very interesting question: “When testing a TPMS sensor with an LF tool, is the response time an indicator of remaining battery life?” Thanks to the students at NBCT Technical College; obviously, they came prepared for the training. Related Articles - The Average Price on an Air Filter Replacement from Mobile Maintenance Providers - TPMS Suppliers See Progress from Tool Update Campaign - Maximizing Motorcycle Safety and Performance with TPMS
Back to the question – the short answer is “no.” When a sensor is activated with a TPMS diagnostic tool or through pressure drop, the signal is transmitted for just a fraction of a second. If the response to the tool is quick or slow, it will still use the same amount of battery, therefore the response time is not an indication of battery level. We need to keep in mind that there are various rules that regulate the radio signal transmitted by a TPMS sensor. Frequency, range, and duration are all subject to FCC regulations, which means that regardless of the sensor – new or old, OE or aftermarket – TPMS sensors are transmitting at the same signal strength. Against popular belief, there are no aftermarket sensors more powerful than others (within the FCC regulations). Jack Lift Pad
Here are some of the ways that you can identify and resolve factors that may be causing an unusually long response time:
By following these tips, you not only optimize your time in the bay but also enhance efficiency during TPMS malfunction troubleshooting. These practices ensure that you extract the full potential of your TPMS diagnostic tool. By staying attentive to sensor communication protocols, minimizing interference, and adopting precise tool positioning, you’ll be well-equipped to tackle TPMS challenges effectively and make the most of your diagnostic processes.
Yanick Leduc has been a technical trainer for more than 20 years. Yanick started working in the automotive industry in 1992 and his career at Schrader TPMS Solutions began in 2017 when he joined the company as a technical training and support specialist. Since January 2021, he has been leading Schrader’s TPMS Training Team globally. He says his passion for digital learning has inspired Yanick to enhance Schrader’s digital training activities with the launch of www.TPMSAcademy.com and the delivery of multiple webinars.
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Mark: “The truck doesn’t seem to pick up the signal from the new sensor!”
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