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We had bearings & brakes replaced. A week later, traveling from Oregon coast in mid-Nov across frozen Laramie WY the lug nuts sheared off and our wheel disappeared. We stopped to call a nearby campground when we found we'd lost a wheel & sensor! NO ALARM! We had no idea when it left, snow covered roads didn't let this FL man drive more than 30-45 mph. If we hadn't stopped in Laramie who knows how far we would have attempted to go trying to out run the incoming storm.
We have parked our rig, turned on our TPMS, waited for all the values to populate. Then drove 30 miles away before the FIRST alarm activated. Gradually, all wheels began displaying a blank psi value.
Try this with your system! See how long it takes to show a problem. Losing a wheel seems like the system should warn something SOONER!
So in our opinion, these systems are really ineffective. Or to put it bluntly, useless.
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