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Discussion Starter #1 (Edited)
My low tire pressure monitor notification won't go away. Came on about 200 miles ago. My 2011 Rubicon has LT275/70 R18 tires. Gvwr is 5700 from the door. Max tire pressure is 80. I'm set at 45 psi right now. The tires and wheels are not what came from the factory. The door jamb pressure chart shows 37psi
 

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Are you sure the sensors are in the tires? Did you have a shop put on the new tires?
 

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Discussion Starter #3
Not new tires. They have about 5000 miles on them. I'm curious what folks would recommend for running PSI. The pressure monitor icon came on 200 miles ago.
 

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Gunnery Sergeant USMC (ret)
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Just wondering if the sensor will come on when you have too much pressure in the tires. I don't have the stupid things so just curious about this.
 

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Tire & Wheel Specialists
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Most TPMS systems are set to trigger when the pressure is above or below ~25% of the placard pressure, so I doubt the higher inflation pressure is the issue here.

When you start the vehicle, does the TPMS light blink for ~one(1) minute or does it immediately go solid?

As for the recommended pressure for your 275/70R-18 (LR-E) tires, the minimum cold inflation pressure is 35 PSI; you can adjust the air pressure upward from there to your liking.
 
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