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11-22-2006, 04:02 PM
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Re: Tire monitoring system override
The factory door jam sticker states that the loaded tires on the vehicle should be at 30 psi, and the unloaded spare be at 50 psi.
The rating on the sidewall of the tire is for the unloaded pressure.
Since the Bridgestone A/T Duelers, are rated at 50 psi, this is correct for the spare. Once the tire is placed on a vehicle the tire is under a load and the psi changes.
I usually keep my loaded tires set at 37psi, so there is no issue when the temp. drops.
My sensor went off once, since I bought the truck, and the PSI was at 32. Increased to 37, and no issues.
HTH
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11-22-2006, 04:40 PM
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Hummer Veteran
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Join Date: Jun 2006
Posts: 34
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Re: Tire monitoring system override
Thanks guys! I don't care about fed regulations. If anyone finds a way to disable this system please let me know. This big brother crap is ridiculous. Thanks!
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SeattleH3
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11-22-2006, 04:45 PM
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Hummer Expert
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Join Date: May 2006
Location: Johnstown, PA.
Posts: 553
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Re: Tire monitoring system override
I am experiencing this as well - and right to F5's explanation. The weather has been in the 20s here the last few mornings. The TPM conistently goes off after 500 feet and shuts off after approximately two miles.
I surmise that as F5 stated, the TPM is sensing a low TP on cold mornings. Thus, once the friction of travel occurs, the wheels, tires, and subsequently air heats up to proper TP and *wala* the TPM alert goes back to sleep.
It is a bit disconcerting, but I am willing to deal with it.
Incidentally, does the spare really have a TPM in it? And what would be a good tire pressure to run in the winter to avoid this TPM alert if possible?

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11-22-2006, 05:52 PM
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Hummer Veteran
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Join Date: Mar 2006
Posts: 154
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Re: Tire monitoring system override
FWIW, i had the cold morning TP issue as well. I just upped my psi a little to deal with it.
I like to run my tires at around 37 psi as well. what psi does everyone else run?
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11-22-2006, 06:17 PM
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Hummer Guru
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Join Date: Sep 2005
Location: fort salonga ny
Posts: 3,789
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Re: Tire monitoring system override
I have been keeping PSI at 35lbs on road and 18lbs offroad.
22,000 miles no uneven wear.
the dealer rotated at 8,000 ,one tire had a small cut so spare was rotated in.(dealer programed spare tire in)
I skiped the 16,000 rotation and will be rotating myself again at 24,000
The duelers are holding up great 
__________________
H3 gray adventure,brushguard,hood handles,sunroof,steps,crossbows,smokers package,window/sunroof visor,Airbrushed spare tire cover,mudflaps,K&N filter,SS Hummer insert,Hummer rubber mats,cargo rubber mat + shade,12 volt airhorn,eclipse nav/dvd/rear camera/mini remote,autostart,12 volt fridge,high beam garage remote,underhood air compressor, taillight bezels ,clinometer ,trailer brake and hitch.
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11-22-2006, 07:47 PM
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Hummer Guru
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Join Date: Jul 2005
Posts: 4,123
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Re: Tire monitoring system override
Quote:
Originally Posted by SeattleH3
Thanks guys! I don't care about fed regulations. If anyone finds a way to disable this system please let me know. This big brother crap is ridiculous. Thanks!
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Does the whole Firestone / Ford Exploder thing ring a bell? This is what happens when you live in a lawsuit crazy society. This isn't to protect you as much as it is to protect the auto makers from you.
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11-22-2006, 09:39 PM
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Hummer Authority
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Join Date: May 2006
Location: Arvada, CO
Posts: 1,139
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Re: Tire monitoring system override
Quote:
Originally Posted by Sewie
Does the whole Firestone / Ford Exploder thing ring a bell? This is what happens when you live in a lawsuit crazy society. This isn't to protect you as much as it is to protect the auto makers from you.
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True ... but it might help some people. I know a lot of folks who never check their oil, tires or gas gauge and ignore the idiot lights for months. Then they bitch when the engine dies. At least the new alarms ding at you.
Just don't tell the ditz in your life how to turn the chime off 
__________________
2007 slate blue 5spd w/ adventure package. Still pretty much stock ... dammit
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11-22-2006, 06:23 PM
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Hummer Guru
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Join Date: Jul 2005
Location: Idaho
Posts: 4,744
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Re: Tire monitoring system override
Quote:
Originally Posted by Lex_Ordo
The factory door jam sticker states that the loaded tires on the vehicle should be at 30 psi, and the unloaded spare be at 50 psi.
The rating on the sidewall of the tire is for the unloaded pressure.
Since the Bridgestone A/T Duelers, are rated at 50 psi, this is correct for the spare. Once the tire is placed on a vehicle the tire is under a load and the psi changes.
I usually keep my loaded tires set at 37psi, so there is no issue when the temp. drops.
My sensor went off once, since I bought the truck, and the PSI was at 32. Increased to 37, and no issues.
HTH
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If you are running bridgstones your tire placard should read 35 psi. (There was a recall sent out on some H3s due to an improper tire placard having been installed at the plant. VINs between 68153682 and 68165825)
I check mine at least once every two weeks, more in the late fall and late spring. Usually a Sat. morning, early, and the tires are nice and cold. If we get a warm up for a day or two, not a problem running the tires a few psi over. Spare I keep at 50 psi.
Never check the tires where one side of the vehicle is in the sun since the psi can vary from the sun side to the non-sun side by 1-2 psi.
There is a TP sensor in each tire, including the spare. The BCM is programmed to recognize only four TP sensors. The rear door and distance to the BCM keeps the BCM from reading the spare tire.
If you rotate the tires with only the four on the ground, you do not have to reset your system, if you include the spare, you have to reset the system, since a new sensor serial number has been added to the other three, and the computer does not recognize this new sensor until you do the programming function. The sensors are not corner specific as in vehicles such as Vettes, STS, etc., where the DIC displays the TP pressure for each individual tire.
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Black Sheep Hummer Squadron
(ME TOO)
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