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  #1  
Old 07-20-2014, 11:25 AM
2012Quad 2012Quad is offline
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Unhappy Tire Pressure System

I was doing some shopping last week which involved several stops. Returning to the truck from one of these stops, the info screen displayed this message: "Service Tire Pressure System." The diagram then displayed showing dashes instead of numbers for the tire pressures. A walk-around confirmed all four tires appeared to be fully inflated. The message went away and the screen showed tire pressures 33-34 psi. As I continued to drive, the fault message came and went. Yesterday I pulled a small car on a tow dolly several miles and set all four truck tires at 36 psi. When the system decided to work, it showed 33-34 psi.

I have an appointment to take the truck to a dealer, but I'm curious if anyone else has had this problem.
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Old 07-20-2014, 08:20 PM
GrayhemiST GrayhemiST is offline
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those things are temperamental.....mine flashes for no reason
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Old 07-23-2014, 05:55 PM
2012Quad 2012Quad is offline
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The dealership determined the module was bad and will be replaced under warranty There wasn't one in stock, so i have to go back next week.
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Old 07-23-2014, 08:31 PM
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Quote:
Originally Posted by 2012Quad View Post
The dealership determined the module was bad and will be replaced under warranty There wasn't one in stock, so i have to go back next week.
Let us know how you make out at the dealer.
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Old 07-26-2014, 06:55 PM
hotmach hotmach is offline
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I had a similar issue with mine yesterday. It read low tire pressure, yet the flashing wheel indicated was the one reading highest pressure. Dealer corrected the problem by inflating all wheels to max rec. tire pressure. Which really doesn't add up as different tires will require different max pressure. Also prevents me from airing up/down for ride or towing. This also prevents me from running at the pressure indicated on my door specs.

Ha.
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Old 07-27-2014, 07:12 AM
don482005 don482005 is offline
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Just bought a 2012 outdoorsman the tpms came on the other morning and one tire was at 37 flashing i ran around it came up 2 lbs but was still flashing the other tires were at 45 45 42 i open the door to look at the the recommended tire pressure and it was 43 wow is this high or normal for a dodge and if i took all to 40 will the tpms flash or is it set for the 43lbs thanks
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Old 08-01-2014, 11:14 PM
2012Quad 2012Quad is offline
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I took the truck to the dealership Wed morning. What I thought should take about 10-15 minutes was almost an hour and a half. I could see my truck in the shop with the hood raised and no activity for much of the time it was in there. Then the mechanic took it out for a test drive. He was gone long enough that I began to wonder if he was making a run to McDonald's - he wasn't. Seems the problem been cured. No more light or message and the TPs all read 35 psi.
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Old 08-03-2014, 07:50 AM
thebluegoat thebluegoat is offline
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Mine just started doing this on Friday. Did they actually replace a module?
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Old 08-03-2014, 02:49 PM
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The TPMS system on these 2012's are very sensitive and require that weather changes be monitored. My tires P265-70-17's require 40 psi and the TPMS will activate at 37. I keep them at 42 and no more problems.
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Old 08-05-2014, 06:48 PM
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I keep my tires at 40 to 42 psi.better gas mileage.
But never had problem while even at 36 or 38.
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