TPMS replacement required ???
Lead Driver
Joined: Jun 2005
Posts: 8,458
Likes: 722
From: Calgary Canada
Just as an update to my situation. My favourite local independent tire shop was able to scan the TPMS sensors and verified that they had good battery and signal. They guessed that the issue was with the truck somewhere not "seeing" the sensors properly. Took it to a dealership and they narrowed it down to an issue with the BCM, did a BCM reset and sent me on my way. Annoyingly, the light comes on after about 15 minutes of driving still. I don't know if I want the dealership to do any more diagnosis, since I'm sure a new BCM would be hellishly expensive. I will probably live with it.
Senior User
Joined: Jul 2003
Posts: 103
Likes: 0
That sucks. My tire pressure sensor fault comes on intermittently. Kicked on one weekend while driving, 40 minutes into a hour ride. Reset its self while parked and then didn't turn on for about a week, kicked on yesterday morning on the way to work, half hour into the drive. Then it didn't on the way home which was a 2 hour ride in stop and go traffic. Need to get it looked at.
Wondering if you have a battery that is good but the micro switch is failing. My understanding is that the micro switch engages when you are rolling and connects the battery to the sensor in the wheel.
Wondering if you have a battery that is good but the micro switch is failing. My understanding is that the micro switch engages when you are rolling and connects the battery to the sensor in the wheel.
Lead Driver
Joined: Jun 2005
Posts: 8,458
Likes: 722
From: Calgary Canada
I don't know, but your issue sounds very similar to mine. I think I'm just not going to look any further into this. I'm selling this truck in three months anyway, I won't make the costs back if I fix this. I'll just have to be obsessive about checking pressures.
Elder User
Joined: Jan 2010
Posts: 790
Likes: 3
From: Ontario, OH
can anyone post a pic of their valve stems with tpms sensors? Do they look different than those without the sensors? The reason I ask is because mine are solid rubber, all the way to the wheel, where as my wife's minivan(Toyota) are all metal, and I know it has tpms sensors. I don't recall ever seeing a tire pressure warning light on startup and am under the assumption that I do not have tpms on my truck. I'd go check but i'm out of town for work and won't be home for a few days.
Lead Driver
Joined: Jun 2005
Posts: 8,458
Likes: 722
From: Calgary Canada
At startup the TPMS light will come on just like the check engine light for a second or two, so if you have it, it'll show up at that point on your dash. I'm pretty sure a 2010 would have it. My 2009 does.
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More Turbo
Joined: Aug 2006
Posts: 581
Likes: 72
From: Double Oak, TX
Federal law since 2007:
Copied from wiki,
The Firestone recall in the late 1990s (which was linked to more than 100 deaths from rollovers following tire tread-separation), pushed the United States Congress to legislate the TREAD Act. The Act mandated the use of a suitable TPMS technology in all light motor vehicles (under 10,000 pounds), to help alert drivers of under-inflation events. This act affects all light motor vehicles sold after September 1, 2007. Phase-in started in October 2005 at 20%, and reached 100% for models produced after September 2007. In the United States, as of 2008 and the European Union, as of November 1, 2012, all new passenger car models (M1) released must be equipped with a TPMS. From November 1, 2014, all new passenger cars sold in the European Union must be equipped with a TPMS. For N1 vehicles, TPMS are not mandatory, but if a TPMS is fitted, it must comply with the regulation.
Copied from wiki,
The Firestone recall in the late 1990s (which was linked to more than 100 deaths from rollovers following tire tread-separation), pushed the United States Congress to legislate the TREAD Act. The Act mandated the use of a suitable TPMS technology in all light motor vehicles (under 10,000 pounds), to help alert drivers of under-inflation events. This act affects all light motor vehicles sold after September 1, 2007. Phase-in started in October 2005 at 20%, and reached 100% for models produced after September 2007. In the United States, as of 2008 and the European Union, as of November 1, 2012, all new passenger car models (M1) released must be equipped with a TPMS. From November 1, 2014, all new passenger cars sold in the European Union must be equipped with a TPMS. For N1 vehicles, TPMS are not mandatory, but if a TPMS is fitted, it must comply with the regulation.
Moderator
Joined: Jul 2011
Posts: 6,506
Likes: 655
From: Sioux Falls Area
can anyone post a pic of their valve stems with tpms sensors? Do they look different than those without the sensors? The reason I ask is because mine are solid rubber, all the way to the wheel, where as my wife's minivan(Toyota) are all metal, and I know it has tpms sensors. I don't recall ever seeing a tire pressure warning light on startup and am under the assumption that I do not have tpms on my truck. I'd go check but i'm out of town for work and won't be home for a few days.
There are different styles, as you say, my expedition has all metal stems, but that is not a requirement. My FIL's 2008 gmc has rubber stems with tpms as well.
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Senior User
Joined: Jan 2015
Posts: 305
Likes: 14
From: Louisville, KY
I do tow a few thousand miles a year and live in an suburban area, but 28,000 is awful. If you read the tire book, its the only tire with no tread-wear guarantee.
only time i've ever seen that happen
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