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Old 10-21-2011, 07:54 AM   #1
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TPMS this morning

a little cold outside this morning, and after I started up my jeep, the TPMS light came on. I checked air pressure and I was at around 30PSI, maybe a hair under all around (including spare). I stopped at the gas station and aired up to 35PSI, but the light is still on. Is there a trick to getting it to reset?

I usually keep it at 34-35 PSI and the TPMS has never come on.

sorry, details- running 305/70R16 Duratracs on a 4 door JKU rubicon if that helps.

Thanks for the help!

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Old 10-21-2011, 08:01 AM   #2
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The light will go off after several miles of driving or a few days. The computer takes a little while to adjust to the new psi but it will go off no worries.

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Old 10-21-2011, 08:07 AM   #3
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Thanks!

Also found this http://www.wranglerforum.com/f33/tir...highlight=TPMS

so i'm sorry for the post...
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Old 10-21-2011, 08:08 AM   #4
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Don't forget the spare tire too. Most of the time it is the cause of the fault on mine.
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Old 10-21-2011, 08:21 AM   #5
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I bouthg my 2012 in mid august. my light went on once on the way back from work. i got out and checked and all looked fine. got home and forgot to check pressure. light was still on next day...checked and pressure was good. it finally reset itself and went out. it happened again about 2 weeks later only this time, it reset by the next time my jeep was started again. i mentioned it to the dealer when i took it in for a 3000 mile oil change....i hade 2 bad sensors...he replaced them. no problems since and its been about a month/ 1500 miles since.

might want to take it in and mention it to them. might be bad. hope this helps.

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Old 10-21-2011, 08:23 AM   #6
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Quote:
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Don't forget the spare tire too. Most of the time it is the cause of the fault on mine.
The system does not read the spare.
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Old 10-21-2011, 08:34 AM   #7
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The system does not read the spare.
Ok. I just got the Jeep a couple of months ago. All of the other vehicles I have owned read the spare so it was just an assumption.
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Old 10-21-2011, 08:40 AM   #8
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Invest $149 bucks ina AEV Procal Module-

It'll do a bunch of things for your jeep, including modify your TPMS-

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Old 10-21-2011, 08:52 AM   #9
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The system does not read the spare.
There is one in the spare on a 10 if "equipped with a matching full size spare wheel and tire assembly". However, a low spare tire will not cause the light to illuminate or the chime to sound. In the event that the spare tire is swapped with a low pressure road tire, the next ignition cycle will still show the light to be on and a chime will sound. Driving above 15 mph up to 20 minutes will turn off the light.
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Old 10-21-2011, 09:11 AM   #10
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just aired up to the factory recommended 37PSI and it went right off. Drove back to work and dropped it 35PSI and its still off.

Quote:
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Invest $149 bucks ina AEV Procal Module-
It'll do a bunch of things for your jeep, including modify your TPMS-
JIMBO
it is in the mail as we speak...what would you recommend setting the modified TPMS at once I receive it? Based on this morning's experience, i'm guessing the factory setting is around 30PSI?

Quote:
Originally Posted by kik View Post
There is one in the spare on a 10 if "equipped with a matching full size spare wheel and tire assembly". However, a low spare tire will not cause the light to illuminate or the chime to sound. In the event that the spare tire is swapped with a low pressure road tire, the next ignition cycle will still show the light to be on and a chime will sound. Driving above 15 mph up to 20 minutes will turn off the light.
That seems impresive that this system can recognize the difference between spare and wheel in use...does it has something to do with pressure on the wheel when its mounted on the jeep or distance from the receiver?

sorry for all the questions...I want to learn
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Old 10-21-2011, 09:14 AM   #11
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centrifugal force.
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Old 10-21-2011, 09:16 AM   #12
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Quote:
Originally Posted by TanManRubi View Post
just aired up to the factory recommended 37PSI and it went right off. Drove back to work and dropped it 35PSI and its still off.



it is in the mail as we speak...what would you recommend setting the modified TPMS at once I receive it? Based on this morning's experience, i'm guessing the factory setting is around 30PSI?



That seems impresive that this system can recognize the difference between spare and wheel in use...does it has something to do with pressure on the wheel when its mounted on the jeep or distance from the receiver?

sorry for all the questions...I want to learn
I would set the TPMS system to "0" and that allows you to set the tire pressures at ANY PRESSURE, especially useful when off-road/snow/washboard roads-etc

There's nothing illegal aboutit---you will just have to check your tire pressures manually, ONCE IN A WHILE !!

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Old 10-21-2011, 09:17 AM   #13
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centrifugal force.
yup, that makes sense now. Also why it doesn't come on right when you start up, you need to start moving.
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Old 10-21-2011, 09:22 AM   #14
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I have learned that sometimes you need to over inflate the tires and then let some air out to the desired pressure to have the light go off.
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Old 10-21-2011, 09:28 AM   #15
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Before you turn it off/lower the threshold with the AEV, consider what you are doing. If the door sticker was at 35 psi and you were at 29, the TPMS did its job, you added air, it registered the change and the light went off. While the ride may be bumpier at 35, you'll probably get better mileage.

If you want to run at 30, set the threshold below that (25), but don't turn it off. (unless you have wheels without tpms)
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Old 10-21-2011, 10:56 AM   #16
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I set mine to 33 psi from the factory 35. It gives a little more weather related psi change that way. I really like mine set though. Got a nail in one of my tires the other day. It warned me in plenty of time to drive to the shop before it went flat. It has saved me a couple times now.

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