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Go Back   Hummer Forums by Elcova > Hummer H3 Discussion Forums > Technical Discussion and Customizing your H3

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  #1  
Old 01-31-2007, 05:04 AM
zibby zibby is offline
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Default Cold weather and low tire pressure message

So how many of you got low tire pressure message related to cold weather?
I got it 2 times in last 2 weeks. Error in morning, and fine afternoon.
Gotta love New England weather

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Old 01-31-2007, 02:15 PM
adamh3 adamh3 is offline
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Default Re: Cold weather and low tire pressure message

I've been getting the same thing down here in Mississippi. About 26 degrees in the morning and around 45 or so in the afternoon. Light comes on in the morning and doesn't in the afternoon.
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Old 01-31-2007, 04:18 PM
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fourfourto fourfourto is offline
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Default Re: Cold weather and low tire pressure message

The following morning air the tires up to 35(if you have duelers)
I find the light goes on when the psi falls below 32 in one tire. So when light goes on then goes off the tires need to be toped off following morning.
Tire psi should be checked every month or two or when light goes on.
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Old 01-31-2007, 05:00 PM
whaaaaT whaaaaT is offline
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Default Re: Cold weather and low tire pressure message

mine has never gone off. I got a flat once and it went off thats it. I've never had any problems with em. I think i've checked em maybe 2 times since i got the car. I have the lux tires though. Perhaps this only happens to the offroad package tires. Dealer told me if i put different tires on it I should do the calibration thing for them else it will go off a lot. I dont understand cause PSI is PSI it shouldnt matter what kind of tire it is if its the same PSI on the inside. But i supose it does somehow.
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Old 01-31-2007, 08:23 PM
zibby zibby is offline
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Default Re: Cold weather and low tire pressure message

Well, at least I know sensor is working, LOL.
N2 sounds like next project for this spring (too cold outside). I have N2 tank with regulator (used for HVAC work)
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Old 02-01-2007, 01:06 AM
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Default Re: Cold weather and low tire pressure message

Larger tires contain more volume, therefore, Because of the larger volume of air in these tires, it experiences greater pressure drop overnight when the temperature gets cold. So the 33's may set off the warning faster than the 32's if everything else is equal.

As for reprogramming. The reprogramming procedure is only used to allow the BCM to recognize the electronic serial number of the sensor. Changing rubber should not affect the sensor.
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