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Old 12-30-2013, 01:10 AM   #1
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Tire pressure sensor?

Ok so my dad had just recently got a jeep for me from the dealership sold as is no warranty, currently leasing to own, i had noticed the tire sensor light was on and flashed, i check the psi on my ties one of them was 33 when the PSI is supposed to be 35, i checked the sticker on my door it says 35 PSI and so i put air in all 4, so know they are close to 40 or are 40 PSI, It has now been a full 24 hour day and it has not reset it self, the light is still there flashing then stays on. Does anyone know why? I also want to say that These tires were costumed i believe. It says 65 PSI on the tires but 35 on the sticker. Any Advice?

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Old 12-30-2013, 01:33 AM   #2
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Odds are the previous owner didn't have sensors installed with the new tires. Definitely DO NOT air them up to 65psi. What size wheels/tires are they? Odds are somebody can give you a ballpark on what pressure to run. There are a couple different ways to check the correct pressure, the easiest in my mind is the chalk method.

If you don't have sensors installed, you can use an AEV ProCal or a Superchips Flashcal/Flashpaq to disable the light. The Flashpaq also doubles as an engine tuner, so that may be something to keep in mind.

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Old 12-30-2013, 01:37 AM   #3
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I read that the Jeep has to be driven for the reset to happen. Also the is a chance the are no transmitters in the wheel as mentioned by relyt.
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Old 12-30-2013, 01:50 AM   #4
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I read that the Jeep has to be driven for the reset to happen. Also the is a chance the are no transmitters in the wheel as mentioned by relyt.
This is correct. I believe the manual states you may need to drive up to 15 miles to reset the sensors after changing the pressure.
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Old 12-30-2013, 07:33 AM   #5
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If the sensors are missing or damaged, the light will flash for 75 seconds when you start the vehicle and then stay on. No amount of driving or inflating will change this. The sensors run on batteries that cannot be changed, except by replacing the sensor.
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Old 12-30-2013, 08:13 AM   #6
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I don't know if it's because of the year or not but in my 2014, I changed all five wheels with new sensors and the light went off within 3 blocks of leaving the tire shop.
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Old 12-31-2013, 01:58 PM   #7
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If there are sensors in the wheels, when you first put them on the vehicle, the vehicle must be driven for more than ten minutes above 20mph in order for the vehicle to recognize and learn the new sensors. If the light is still on, as mentioned before, it means you have a faulty sensor somewhere or the wheels simply do not have sensors in them. If you bought the vehicle from the dealership with the light on, the shop is not acting according to NHTSA law regarding tire pressure monitoring systems and they should fix the sensors for you.
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Old 01-02-2014, 08:41 AM   #8
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Old 01-03-2014, 07:27 PM   #9
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I swapped a set of wheels from a 2012 Rubi onto my 2012 Sport and the TPMS didn't miss a beat.

The Rubi wheels had their own sensors, the Jeep picked them up on the first trip.
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Old 01-24-2014, 04:44 PM   #10
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Found out today that the sensors from 2007 to 2012 are all the same. They are not compatible with 2013 or 2014. Just removed wheels from 2011 trade-in and installed them on a 2014 Rubicon and I'm getting a light. Dealership wants to charge $150 apiece for new sensors.
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Old 01-24-2014, 04:59 PM   #11
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Originally Posted by hawkeye30248 View Post
Found out today that the sensors from 2007 to 2012 are all the same. They are not compatible with 2013 or 2014. Just removed wheels from 2011 trade-in and installed them on a 2014 Rubicon and I'm getting a light. Dealership wants to charge $150 apiece for new sensors.
That's crazy. The sensors cost retail about $160 for 5. My tire shop charged $20 a wheel to change them out for a total of $260 for 5 wheels.
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Old 01-24-2014, 05:26 PM   #12
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You can get an AEV Procal for $159.
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Old 01-24-2014, 05:31 PM   #13
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since I did not see a reply to the blink for 75 second thing and light staying on...one dumb question...you check the PSI on your spare?
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Old 01-24-2014, 05:35 PM   #14
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The system does not read the spare.
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Old 01-24-2014, 05:37 PM   #15
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Originally Posted by daggo66 View Post
The system does not read the spare.
Oops sorry had heard both, (that it did and that it didn't) and was a suggestion to check......
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Old 01-24-2014, 05:45 PM   #16
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When in doubt, read the owners manual.
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Old 01-24-2014, 05:56 PM   #17
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I don't have an owners manual for every year jeep...and I didn't know which year his was, I am cautious about assuming every thing will be the same each year...there is even an issue in the consistency of the installation of how many and where at for USB ports this year. In addition to the Spare tire cover for the Polars. And the recovery Kits on SOME of the Rubi's. I asked to see if it had been checked. Was only a SUGGESTION...
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Old 02-14-2014, 07:47 AM   #18
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So if I am understanding this correctly, 07-2012 sensors are all the same and interchangeable?

If you don't want to mess with sensors at all just by a AEV procal, set to 0 and sensor issue is solved?

Is this correct info?
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Old 02-14-2014, 10:42 AM   #19
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Give your local dealer a buzz to confirm but I believe they could be the same but anything could have been changed with the vehicles.
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Old 02-14-2014, 11:09 AM   #20
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I just picked up a set of 2013 rubicon take offs for my 2011. I was expecting to get the tpms light but never did. I doubt the old couple that previously owned it disabled the system. I wound if they are backward compatible.
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Old 02-14-2014, 11:10 AM   #21
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If you have rubber valves it's one type of system if you have metal it is another (MHz) change between both.

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