TPMS issue

[Red Willy]

My dash has been showing either low pressure or no signal on the left rear tire. I changed the tire out with the spare just to see if it was an issue with the valve stem, and it still shows low pressure. Is there a "receiver" for these units in each wheel well or is it a main unit somewhere in the jeep?

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[Tool Guy]

Drive it for a bit with a few start / stop cycles and see if the spare you installed corrects itself. It takes a bit for the new TPMS in that wheel position to be recognized.

 

[Rhinebeck01]

My dash has been showing either low pressure or no signal on the left rear tire. I changed the tire out with the spare just to see if it was an issue with the valve stem, and it still shows low pressure. Is there a "receiver" for these units in each wheel well or is it a main unit somewhere in the jeep?

@RedWillys

Tailor my past post below to your situation...

As long as all the TPMS' are healthy and are the correct TPMS's for your JL...

You would want to try the following ...

Make sure the Psi on all 4, on the ground tires are set to exactly what the the door placard recommends. Then go for a ride... Hopefully, all will display after a mile or so.. AFTER all TPMS's are reading you can change the psi on tires.

If that is a no go..... try -->Often the spare tire messes things up so remove the spare, leave it in the garage and with the PSI's all set as per the door placard, go drive for a few minutes. Once all displays properly, put the spare back on the spare holder.

Also try: --> the current thought by most TPMS retailers/vendors, that IF you have one or more sensors not reading on a say a JL/JLU/JT, you deflate all tires to 12# below the recommended tire pressure, driver's side door sticker that tells you recommended tire psi. Now, after they are deflated you drive say a half mile. Now, you inflate to to +- 1# psi, of the recommended psi on the driver's side door sticker and go for a mile drive.. This scenario/routine is suppose to wake up the sensors, so to speak and get them reading...

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[Red Willy]

Thanks for the replies! I'll give these suggestions a try tomorrow.

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