Ok, I'm new to the whole forum scene and the JK scene if I'm Honest. Ive restored a 47 cj2a, built a 79cj5 with the 360 swap, and ran the crap outta my 1998 tj. but this new JKs tpms system is killing me, I had no problems with the stock wheels and sensors... I switched to 35x12.5x15 steel wheels with ebay special sensors... the back two wont read. I figured-"No biggy I got two bad sensors" so to be sure I switched the front wheels and tires to the back and vice versa figuring my BACK TWO would read now but the front two would be dead....nope the front two again read and the back two are still --, is it possible the cheap sensors don't transmit far enough? all four sensors work the jeep just wont read the back two. Any words of advice other than to stay away from modern technology haha. thanks

 

yeah shut them off and be done with em : ) BUT if you dont wanna do that i would take em to a shop that has a programing tool for them they might be able to tell why they are not transmitting properly or if for some reason its intermitent. Kind of weird that only the rear 2 dont want to pickup.

 

Its only on the 35's so I wont be running these ties 24/7 as they do lower my mpgs just a little

but it would be nice to not have the light on when I have my trail tires+wheels on...

 

Get the Sperchips ScanCal F5 or the AEV calibration tool and you can disable the TPMS system, set the gearing and tire changes and be happy. They are actually pretty affordable as well, the new Superchips F5 was $170 shipped from Northridge, mine arrived yesterday from the very first shipment ever! I'll be using it in a couple weeks I hope!

 

I'm currently going through the same thing as you. I paid a local shop for replacement sensors when I had my tires replaced. The 1st thing I noticed is my TP dash light on. They told me, "You have to drive it around for a few miles before the light goes off." The light didn't go off after driving it for a week, where I went back. They checked all the sensors and they were good, so they put the sensors through the pairing process again and told me to go drive some more. Lights has been on for a year now, and I'm tired of going back for something I paid to get fixed which didn't get fixed.

How were you able to tell that it was the rears that were the problem? I've been thinking of going out and buying new OEM sensors all the way around but am leaning more towards buying a Pro-Cal and being done with it instead, since I have more uses for a Pro-cal and would end up being the same amount of money spent.

 

Mine has each individual tire pressure displayed in the dash, there is a little car with four corners and each corner has a # indicating that tires pressure for example it'll say

34___36


--l___l --

so the back two aren't reading, but when I rotate tires the pressures might change but the back sensors still wont pick up... all 4 sensors are clearly working it just seems like maybe the receivers for the back two are not picking up?? ill put the stock wheels and tires back on tomorrow night and see if all is well again, I might have to just cough up the $ for a chip or live with the light when want my 35's on

 

I see, yours is newer with more tech features than my 2009. Mine doesn't have the individual location display. I just have a nice solid light and an LCD that displays "Low tire pressure" every time I start my JK.

 

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They put the wrong sensors in your wheels. You need 315 MHz sensors and I bet they installed the 433 MHz ones.

 

If you still have the OEM sensors I would have them moved over. If that doesn't fix it I would get the system repaired under warranty.