Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

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Old Jul 1, 2021 | 08:15 AM
  #41  
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Go back to the reset procedure and make sure ALL 4 sensors communicate with the bcm.
 
Old Jul 1, 2021 | 09:48 AM
  #42  
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Originally Posted by Col Sanders
Cable will take care of all that. Cost a arm and leg here. I don't watch much tv. Morning for weather and keep score of shootings in murder city USA. That's it for me a day, I really don't know about a easy fix for my tpms problem. Drive over to Cleveland and you can have a go at it? Don't drive H3 to city. Car jacking here is getting to become a national pass time. Probably set up leagues. North, south east and west. I'm betting on south. More and more get shot on the freeways every day. Never go to city any more. Gangs are in charge.
Paranoia?????? You do realize there is a certain set of people that want you to be afraid, they hype it in their BS "news" every day. Just because they pipe it to the idiot box don't mean you gotta buy it. The old them against us routine. When you bring enough people together in a small area, there are always going to be a few azzholes, doesn't make a city a crime pit. Ain't no news in every day ho hum normalcy. Doesn't bring ratings, nobody gonna tune in for boring nothing bad happening/business as usual.

Imagine. Breaking news: people went to Eastern Market in the D, bought fruit and vegetables, lady dropped a Banana and bruised it........ more at 11.

If your BCM has a communication problem, then your TPMS and Fob may not work properly. I believe that is what hummerz is trying to help you run down. Might need a new BCM programmed in IF that is the issue. Always best to do the easy stuff first, clean and inspect all connections.

My 09 Alpha rolling on 305 MTZs at 38 PSI Cold in full off road gear (with me in it weighs near 6000#s) and performance mods gets between 14 and 16. Best I ever saw was about 16.5 on a cool calm day. You start bucking a head wind, MPG drops just like a brick shaped H3. My 07 with the exact same gear and all its performance mods did about 1.5 mpg better, best it ever managed was almost 19.5 after getting fuel and going straight on expressway for a couple hours. My max cruising speed is 75.

 
Old Jul 1, 2021 | 11:51 AM
  #43  
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Thanks Doc Olds and hummerz. Just might have to get a new BCM programmed in. Any have a Idea what it would cost? Who could do it ? Thanks for the video Hummerz. That's what the tire dealer did. After second start up, tire pressure light went off for about 7 or 8 miles and came back on. Still on . Will have a key fob tomorrow.
Anybody know how long the light bulb in dash last? Hope mine burns out.
 
Old Jul 1, 2021 | 01:54 PM
  #44  
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but did he do at with the tires at 45 psi as you had stated earlier? over filled can also set off the tpms
 
Old Jul 1, 2021 | 04:12 PM
  #45  
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Tires were set a 38 psi before I went to tire dealer for programing .
 
Old Jul 1, 2021 | 04:54 PM
  #46  
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Post #21, yet you still have a tpms warning? The bcm is operating properly to report an issue with the system. Tpms transmits signals every 30-120seconds when rolling, the bcm will report any issue to the instrument cluster. Simple check to see if you get a "beep" on ALL 4 tpms sensors during reset, other that that you can keep posting instead of diagnosing? Also, you could have the wrong tpms sensors installed! (FREQUENCIES RATING 315 MHZ)
Btw, my tpms sensors are still working after 91k+ miles.

 
Old Jul 1, 2021 | 07:01 PM
  #47  
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Ok , last post on this TPMS. Sensors are Schrader 315/433 MHz. This is a new spare that was programed at tire dealer. Was in my center console.
 
Old Jul 1, 2021 | 07:38 PM
  #48  
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H3 tpms sensors only use Frequency: 315MHz.
 
Old Jul 8, 2021 | 05:59 PM
  #49  
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Originally Posted by Col Sanders
Ok , last post on this TPMS. Sensors are Schrader 315/433 MHz. This is a new spare that was programed at tire dealer. Was in my center console.
The sensors only transmit when they are moving/rotating. Sitting in your console, they will do nothing.
 
Old Jul 9, 2021 | 07:10 AM
  #50  
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Spare sensor just sits in console. Yea I know it don't work if not moving. I now have a key fob. Works great. TPMS was reset at same time key fob installed. All tires and beep on each one. Light went away for 10 miles and came back. I quit. Next thing is tire light bulb coming out. DIC comes on, and 1 push of button off it goes until next start. I'm just not that smart to go further with this.
 



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