TPMS Attributes

Cobrakit

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Feb 12, 2013
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Waldorf, MD
What other systems in car does the tpms feed, abs... traction control...or nothing? Also I ran for a month with no tpms in rears and got the appropriate light, then something changed and light went out. Put wheels back on with orginal tpms and no light, even with 25lb pressure. Factory setting was 30 lb and it appeared to be very sensitive coming on with only a couple pounds low. So what is the low side set at?
 

vortecd

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My light comes on around 20psi. I know this from letting air out at the track
 

F.D.Sako

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Nov 13, 2012
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Maryland
If I'm not mistaken, I think the car checks TPMS signal at certain intervals. So the light may trip higher than 20psi. This is based on my experience swapping between wheels with and without TPMS sensors. The car doesn't pick up the missing TPMS sensors immediately.

When I put on my winter wheels, my TPMS light came on, and they were around 25psi.
 

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