TPMS larger tires and stock rims
07-12-2009, 10:02 PM
#11
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Join Date: Jun 2009
Location: Boston, MA
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The car computer is set to a specific PSI setting depending on your model. I just bought an 09 X that came with 16" steel wheels and on the door sticker, it says to keep at 35PSI. I bought some Sahara 18" take-offs which were aired at 32PSI and the low pressure light lit up. I went and pumped them all to 35PSI and the light went away pretty much instantly. The TPMS sensors are dumb devices to report tire pressure, and it's up to the car computer to determine the point of low air pressure. Follow what other members tell you and reprogram the car computer if you don't want to see that annoying light. You may also want to have the spare tire at the right pressure because I believe the car computer also keeps track of it.
07-13-2009, 01:36 AM
#12
The car computer is set to a specific PSI setting depending on your model. I just bought an 09 X that came with 16" steel wheels and on the door sticker, it says to keep at 35PSI. I bought some Sahara 18" take-offs which were aired at 32PSI and the low pressure light lit up. I went and pumped them all to 35PSI and the light went away pretty much instantly. The TPMS sensors are dumb devices to report tire pressure, and it's up to the car computer to determine the point of low air pressure. Follow what other members tell you and reprogram the car computer if you don't want to see that annoying light. You may also want to have the spare tire at the right pressure because I believe the car computer also keeps track of it.
-meljr