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Old 12-20-2011, 08:48 AM   #1
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Tire pressure light on dash...

started up my 2011 Wrangler this morning and symbol dash light came on "Tire Low". I checked all the tires and the pressure was between 30 - 32. I filled them all to 35psi. But the light still comes on, any idea what the problem is?

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Old 12-20-2011, 08:57 AM   #2
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Quote:
Originally Posted by marbleheader
started up my 2011 Wrangler this morning and symbol dash light came on "Tire Low". I checked all the tires and the pressure was between 30 - 32. I filled them all to 35psi. But the light still comes on, any idea what the problem is?
I always need to put in at least 36, since I only run 28 in my MTRs the light is always on. Waiting for the update for hypertech to fix it.

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Old 12-20-2011, 09:24 AM   #3
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Quote:
Originally Posted by marbleheader
started up my 2011 Wrangler this morning and symbol dash light came on "Tire Low". I checked all the tires and the pressure was between 30 - 32. I filled them all to 35psi. But the light still comes on, any idea what the problem is?
I had this same issue. All tires were actually the same PSI. I thought the light was there to indicate when ONE was low. I aired up to the PSI on the inside of the door. Drove off and the light went out. I read somewhere that you have to DRIVE a short distance for the light to go out.
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Old 12-20-2011, 09:25 AM   #4
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Have you checked the spare? I work at a dealership and 9 times out of 10 people forget the spare.
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Old 12-20-2011, 09:29 AM   #5
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AEV Procal Module (AEVPM), never worry about the tire pressure again, plus a lotta other functions-

The jeep TPMS system is a "GOLDFARB" joke !

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Old 12-20-2011, 09:30 AM   #6
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You can also try the key trick:

Turn the key to the "on" position
Press the gas pedal 3 times
Start it up

That always worked for me. If not the driving a short distance thing works a well
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Old 12-20-2011, 09:33 AM   #7
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From Jeep:

A tire pressure monitoring sensor is located in the spare wheel if the vehicle is equipped with a matching full size spare wheel and tire assembly. The matching full size spare tire can be used in place of any of the four road tires. A low spare tire will not cause the “Tire Pressure Monitoring Telltale Light” to illuminate or the chime to sound.

Also, you need to drive it for awhile if you air up, or change a low tire with a good spare tire. More detail here:

Base System - Tire Pressure Monitor System (TPMS) - Starting And Operating - Jeep Wrangler Owner's Manual - Jeep Wrangler - JeepManuals.org
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Old 12-20-2011, 09:51 AM   #8
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Huge help!....thank you all kindly and Merry Christmas!
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Old 12-20-2011, 10:39 AM   #9
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I changed my 16" stock tires and wheels to 17" and of course now my TPMS is on. What reads on my door sticker is for the 16"
Do I use the PSI listed on my tires now?
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Old 12-20-2011, 11:02 AM   #10
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Yes <door sticker>, did they move the TPMS sensors over to the new wheels? If they didn't install them or put in the wrong year sensors, your light will be on until corrected.
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Old 12-20-2011, 11:22 AM   #11
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As Jimbo said, the Procal will fix just about any problem you have with your Jeep's TPMS system, which is finicky, at best.

Some links to recent problems and fixes:

low tire pressure indicated on, but all tures are good
Procal & TPMS not working?
AEV ProCal and TPMS -2012 JK
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Old 12-20-2011, 11:25 AM   #12
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Quote:
Originally Posted by bluesman88
You can also try the key trick:

Turn the key to the "on" position
Press the gas pedal 3 times
Start it up

That always worked for me. If not the driving a short distance thing works a well
That's for the change oil light.
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Old 12-20-2011, 11:25 AM   #13
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Now you all got me thinking, since new Sahara 18" wheels and tires were installed in place of my 17" Islander off road set. Don't think the tires were ever off the new 18" wheels though and came from a new Sahara that someone else bought with a tire change request, so the sensors are probably intact. Anyway, they have the door sticker of 27psi, and no lights as yet. Anyone with a Sahara that has a different door sticker value, please let me know.
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Old 12-20-2011, 11:30 AM   #14
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Quote:
Originally Posted by daggo66

That's for the change oil light.
Hmm well it worked on my Jeep when my tire pressure light was coming on...
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Old 12-20-2011, 11:51 AM   #15
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Coincidence.
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Old 12-20-2011, 11:55 AM   #16
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There's no procedure for turning off the TPMS light except proper tire pressure, or adjusting / disabling them with a Procal.
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Old 12-20-2011, 12:35 PM   #17
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Quote:
Originally Posted by 3JKs1H1 View Post
Yes <door sticker>, did they move the TPMS sensors over to the new wheels? If they didn't install them or put in the wrong year sensors, your light will be on until corrected.

In my case the TPMS were removed from my stock wheels and installed on the 17" take offs.

The light did not come on right away.
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Old 12-20-2011, 12:45 PM   #18
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NJeepChic,

You never mentioned what pressure you were running. (or the tires and their suggested PSI by the installer) Using a good quality gauge, try running 35psi in all four tires.
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Old 12-20-2011, 04:03 PM   #19
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Quote:
Originally Posted by tropical36 View Post
Now you all got me thinking, since new Sahara 18" wheels and tires were installed in place of my 17" Islander off road set. Don't think the tires were ever off the new 18" wheels though and came from a new Sahara that someone else bought with a tire change request, so the sensors are probably intact. Anyway, they have the door sticker of 27psi, and no lights as yet. Anyone with a Sahara that has a different door sticker value, please let me know.
2010 Sahara with stock 18" wheels and tires. Door sticker reads 35psi for front, rear, and spare.

Quote:
Originally Posted by NJeepChic View Post
In my case the TPMS were removed from my stock wheels and installed on the 17" take offs.

The light did not come on right away.
I've had it take as long as a week for my TPMS light to go on/turn off when I switch between my sets of wheels/tires.
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Old 12-20-2011, 04:20 PM   #20
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my 2011 did the same thing all 4 tires down to 28 psi and the spare.it was also 14 degrees out might have had something to do with it. filled the up to 35 psi and everythings good now
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Old 12-20-2011, 05:21 PM   #21
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Quote:
Originally Posted by tropical36
Now you all got me thinking, since new Sahara 18" wheels and tires were installed in place of my 17" Islander off road set. Don't think the tires were ever off the new 18" wheels though and came from a new Sahara that someone else bought with a tire change request, so the sensors are probably intact. Anyway, they have the door sticker of 27psi, and no lights as yet. Anyone with a Sahara that has a different door sticker value, please let me know.
2010 Sahara with stock 18" wheels and tires. Door sticker reads 35psi for front, rear, and spare.
OK, now I got something else to thrash out and you'd think a dealer would be smart enough to follow through changes and effects. Oh well, in the past I've always went by the tire and ran more air than the door stickers ever said, so 35psi sounds good to me.
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Old 12-20-2011, 08:01 PM   #22
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Quote:
Originally Posted by tropical36
Now you all got me thinking, since new Sahara 18" wheels and tires were installed in place of my 17" Islander off road set. Don't think the tires were ever off the new 18" wheels though and came from a new Sahara that someone else bought with a tire change request, so the sensors are probably intact. Anyway, they have the door sticker of 27psi, and no lights as yet. Anyone with a Sahara that has a different door sticker value, please let me know.
My 2008 2dr Sahara door sticker reads 35 psi!
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Old 12-20-2011, 08:19 PM   #23
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THANKS FOR THIS THREAD!

Mine went on yesterday morning following a late night trip back in from hunting and going thru many deep ice covered mud puddles on my way back thru the woods. I thought this could be cold/wet related.......All tires (spare as well) were 31-33 when I checked last night. Its crazy. I'll air them all up to 35 tomorrow and pray the freekin light goes out. I hate these new fangled idot functions. Hell I can tell when a tire is low. Mine are fine......BUT.....Mother Chrysler tells me they need attention so......
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Old 12-20-2011, 08:25 PM   #24
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From my techs at CJDR-the sensors are there to indicate a discrepancy in pressures between the 5 tires. If one of the 5 is more than 2 lbs off another-the light could/should come on (so-you could have different pressures in the tires and still be okay).
When airing up-make sure all 5 are within 2lbs-and drive the vehicle for a min of 10 miles. Another fix ( a little more drastic-but not "bad") is the ole discon the battery. If you want to have real fun-disconnect both + and - and touch them together for 20sec (discharges the capacitors in the system-factory soft reset).
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Old 12-20-2011, 08:25 PM   #25
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The light doesn't even bother you after a half hour or so
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Old 12-20-2011, 08:39 PM   #26
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Quote:
Originally Posted by 3JKs1H1 View Post
NJeepChic,

You never mentioned what pressure you were running. (or the tires and their suggested PSI by the installer) Using a good quality gauge, try running 35psi in all four tires.
Bought everything local from a forum member....will check for 35 psi.

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Old 12-21-2011, 12:05 AM   #27
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Quote:
Originally Posted by rockjock1
From my techs at CJDR-the sensors are there to indicate a discrepancy in pressures between the 5 tires. If one of the 5 is more than 2 lbs off another-the light could/should come on (so-you could have different pressures in the tires and still be okay).
When airing up-make sure all 5 are within 2lbs-and drive the vehicle for a min of 10 miles. Another fix ( a little more drastic-but not "bad") is the ole discon the battery. If you want to have real fun-disconnect both + and - and touch them together for 20sec (discharges the capacitors in the system-factory soft reset).
Well... I hate to call BS on your "techs"... but the whole descrepancy theory is BS. Last time my light came on... ALL tires were at 32. I aired up to 35... light went off.
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Old 12-21-2011, 05:51 AM   #28
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My nextdoor neighbor is a tire distributor and he came by after I posted and said exactly that 'spartacus 33'. Air to 35 on all 5 and the light will go out. Also said 2# difference ANYWHERE will illuminate the light.
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Old 12-21-2011, 06:53 AM   #29
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Quote:
Originally Posted by rockjock1 View Post
From my techs at CJDR-the sensors are there to indicate a discrepancy in pressures between the 5 tires. If one of the 5 is more than 2 lbs off another-the light could/should come on (so-you could have different pressures in the tires and still be okay).
When airing up-make sure all 5 are within 2lbs-and drive the vehicle for a min of 10 miles. Another fix ( a little more drastic-but not "bad") is the ole discon the battery. If you want to have real fun-disconnect both + and - and touch them together for 20sec (discharges the capacitors in the system-factory soft reset).
Not only is that completely wrong, such a system would make no sense. All 4 tires could be dangerously low on air and there would be no warning.
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Old 12-21-2011, 10:42 AM   #30
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Guys-I stated there wouldn't be more than a 2lb difference in pressures (not "dangerously" low).
And how wouldn't a system like this not work?
In your minds the tpms sensors are programmed from the factory for the tire pressure listed on the door? Think about how many ways that won't work out (btw-I have 16 of the sensors in stock for a wrangler and mini vans....I'll sell them over the counter to you, and YOU can install and program them )

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