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-   -   TPMS Issue (http://www.jeepgarage.org/f203/tpms-issue-6405.html)

mrjaydeeone 02-09-2010 10:28 PM

TPMS Issue
 
this message has been coming up since last week each time I start up my WJ
"TIRE SENSOR BAD / MISSING"
I installed a new headunit and since then I have been getting this message. I am guessing it is just a coincidence, but does anyone have any idea what I can do? All 4 sensors are present, and I am receiving readings for each one on the EVAC. I have tried to retrain them and no change. I was told to disconnect battery and let computer restart and see what happens then. I am going to wait until I get the new headunit wiring harness I am waiting on and will do it then, I don't want to keep on reprogramming the radio.

Milous 02-10-2010 07:10 AM

Re: TPMS Issue
 
Spare tire present?

saleen032 02-10-2010 12:00 PM

Re: TPMS Issue
 
I was going to say the same thing....people have been known to steal the spare tires..

mrjaydeeone 02-11-2010 08:01 AM

Re: TPMS Issue
 
Spare tire is in back under floor where it belongs. But my set up is only the 4 tires, not the spare. It was working fine for the month that I've had it before then.

Milous 02-11-2010 09:46 PM

Re: TPMS Issue
 
Quote:

Originally Posted by mrjaydeeone (Post 148985)
Spare tire is in back under floor where it belongs. But my set up is only the 4 tires, not the spare. It was working fine for the month that I've had it before then.

Trying running up all the pressures to around 40 psi, then drop them back down to normal pressure. If that doesn't work you probably have a bad sensor.

mrjaydeeone 02-12-2010 06:33 PM

Re: TPMS Issue
 
Quote:

Originally Posted by Milous (Post 149490)
Trying running up all the pressures to around 40 psi, then drop them back down to normal pressure. If that doesn't work you probably have a bad sensor.

okay I will try that. thanks. And I guess I the bad sensor would be the one that doesnt change either way?

mrjaydeeone 03-28-2010 05:48 PM

Re: TPMS Issue
 
Well I am still experiencing this issue. It appears to be the rear right sensor. The other 3 fluctuate, and this one remains the same. Would that be a good assumption as to which the issue is with? And now what, just get a replacement sensor and have it installed?

Scottina06 03-28-2010 06:02 PM

Re: TPMS Issue
 
the tpms sensors do have a life. They apparantly have a small battery that will eventually go bad and run out of juice. That sounds like the problem. With a WJ...I wouldnt buy used...buy new and then you should get another 6-10 years out of them.

mrjaydeeone 03-28-2010 06:07 PM

Re: TPMS Issue
 
gotcha gotcha. So you think I should just replace the one, or get a set of 4? And the battery is that a battery that can be replaced? or the whole sensor should just be replaced?

lineman 03-28-2010 08:59 PM

Re: TPMS Issue
 
i took mine out and put regular valve stems in now i look at the orange light in the dash those things were nothing but a pain in the neck for me YOU HAVE TO REPLACE THE ENTIRE SENSOR THE BATTERY & ALL PARTS ARE EPOXIED IN THE SENSOR

Scottina06 03-28-2010 10:46 PM

Re: TPMS Issue
 
yep....gotta replace the whole sensor

mrjaydeeone 03-31-2010 07:05 PM

Re: TPMS Issue
 
well now I am confused. I found a new set, great price, aftermarker brand. Anyways I was going to order when I got to a computer, but in the last 2 days of driving the sensor I thought was on its way out is now fluctuating, but has a higher psi then the others. When I get a chance I will actually check the pressure with a regular gauge. Anyways, if the sensors are working whatelse could it be? I dont want to go out and buy all new sensors to have them installed and still get the error message


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