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09-12-2005, 02:55 AM
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Hummer Expert
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Join Date: Jun 2005
Location: Seattle
Posts: 915
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Put the tires at least 35 if the light goes off in the morning at any temperature above 0 then something is wrong with the sensor.
GM told me the light is set at 26 PSI but this seems low.
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09-12-2005, 07:49 AM
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Hummer Guru
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Join Date: Jul 2005
Location: Idaho
Posts: 4,744
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There are some trouble with some systems; however, On the off-road tires, the cold psi is supposed to be 35 psi (not sure of psi on the standard suspension).
If they are not at the correct cold psi, there could be problems with cold mornings/hot days. I had the same problem in the fall and spring with my Vette which turned on the message at 25, and the tires were supposed to be at 30 psi.
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Black Sheep Hummer Squadron
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09-16-2005, 01:02 PM
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Hummer Guru
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Join Date: Mar 2005
Posts: 3,356
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they are not required and they suck. disable them! get a tech to do it
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09-16-2005, 07:18 PM
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Hummer Guru
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Join Date: Jul 2005
Location: Idaho
Posts: 4,744
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by richk:
Even the dealer can't get rid of my TPM messages. Yesterday the H3 was in for service and they themselves set the tire pressure, re-calibrated the system, poked, prodded, etc. They are dumbfounded. Meanwhile I got tire low messages leaving for work this morning and going to lunch today. And it is not cold out today. Its a wonderful nice sunny day. </div></BLOCKQUOTE>
As I stated in the other message, tell them to get an engineer out there or spend some time in replacing all the components, including the BCM.
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Black Sheep Hummer Squadron
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09-11-2005, 11:23 PM
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Hummer Veteran
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Join Date: Jul 2005
Location: Massachusetts
Posts: 137
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ok, so what is the deal?
2 cold mornings now (like 48 degrees) and i got a tire pressure warning. both stated on the computer and the 2nd time i also got a lighted indicator.
i assume its the air being affected by the cold like a racecar's rubber.
thoughts?
...very annoying
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2006 red H3 with lux pckg and off-road suspension pckg
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09-16-2005, 07:06 PM
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Join Date: Jun 2005
Location: Denver, CO
Posts: 163
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Even the dealer can't get rid of my TPM messages. Yesterday the H3 was in for service and they themselves set the tire pressure, re-calibrated the system, poked, prodded, etc. They are dumbfounded. Meanwhile I got tire low messages leaving for work this morning and going to lunch today. And it is not cold out today. Its a wonderful nice sunny day.
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2006 H3, Adventure Package, Sunroof, Brush Guard, Tube Steps, XM Radio, Shadow Green Metallic
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