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I have a 2014 Jeep wrangler, and I often like to take the tires down to about 15 or 17 PSI when off-roading. The Stock Goodyear SR-A Tires do remarkably well when they are really aired down.

My question is, when I am airing them back up, the pressure gauge on every single tire pump that I have ever used is wrong, so most of the time, I have to rely on the TMPS tire pressure monitoring system. Is there a way that I can force it to update these values?

Been looking online for a while, but I haven't found anything other than "It's automatic".

My reasoning is, they have a way to turn off the seatbelt warning light, why would there not be a way to force it to update the TMPS?

Thanks!
 

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On my 2015 if I leave the vehicle running they update about every 15 seconds. I fill one to about where it supposed to be and then go start the next one. Once I have the next one going I check inside and the previous one has been updated and I can adjust accordingly. I do this for going up and down.
 

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Might have to spend 40 or 50 bucks and just get a better tire pressure gauge. Any of them under 10-15 bucks are very inaccurate at lower pressures.
 

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They can't be programmed to update other than how they're engineered. My recommendation would be to purchase a good gauge.
 
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