TPMS...weird problem
Thread Starter
Pro
Joined: Nov 2005
Posts: 656
Likes: 5
From: McAlester Oklahoma
TPMS...weird problem
I have tried to search for this, so if there is a thread out there already on this, I apologize.
When I was on my way home yesterday, the TPMS showed that my right rear tire (passenger side) only had 25 psi in it. Ok, need to fill it up when I get home and look for a puncture. I get home, and check the psi in that tire with my gauge and it is reading the proper amount of air. I check the left rear (drivers) and it is the one that is low. Can the TPMS sensors start reading the wrong wheel all of a sudden? Is there a way to reset them all?
Original tires and wheels, no work has been done on them.
Thanks for any help!
When I was on my way home yesterday, the TPMS showed that my right rear tire (passenger side) only had 25 psi in it. Ok, need to fill it up when I get home and look for a puncture. I get home, and check the psi in that tire with my gauge and it is reading the proper amount of air. I check the left rear (drivers) and it is the one that is low. Can the TPMS sensors start reading the wrong wheel all of a sudden? Is there a way to reset them all?
Original tires and wheels, no work has been done on them.
Thanks for any help!
Team Owner
Joined: Mar 2008
Posts: 21,502
Likes: 465
From: Southern Utah
There have been instances documented here on the forum where the sensors were programmed to the wrong wheel from the factory (or the dealer, from new). Unless you absolutely know that they were once correct, then this may be the case. Also, if you have ever had new tires put on, this could be the culprit also. The system really can't just all of a sudden start reading different tires because each digital signature from a sensor must be loaded into the car's memory.
Thread Starter
Pro
Joined: Nov 2005
Posts: 656
Likes: 5
From: McAlester Oklahoma
That's the weird thing to me since I got the car a year or so ago, the sensors always read the correct tire/wheel. I don't know why in this instance, they aren't. We do have quite a few tire places in this town, so Ill check to see if any of them can reset them properly.
Burning Brakes
Joined: Oct 2005
Posts: 1,004
Likes: 10
From: West Chester, Pa
Normally that happens when somebody swaps wheels and the sensors get mixed up. Or somebody rotates tires and doesn't flash the ECM.
For some reason Chevy (and the other domestics) are notoriously a PITA when it comes to TPMS procedures. The European cars normally have really good systems. Most have a "smart" system where if you rotate tires, the car will automatically pick it up. When you go to the shop, I would ask if they can check the battery level in all of your sensors. Any decent TPMS tool should be able to tell you if they're low or not.
For some reason Chevy (and the other domestics) are notoriously a PITA when it comes to TPMS procedures. The European cars normally have really good systems. Most have a "smart" system where if you rotate tires, the car will automatically pick it up. When you go to the shop, I would ask if they can check the battery level in all of your sensors. Any decent TPMS tool should be able to tell you if they're low or not.
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Race Director
Joined: Dec 2002
Posts: 10,476
Likes: 1,153
From: Wayne Township WI
Upside to one (or more) TPMS batteries failing is they may be replaced w/o removing the tire. A BIG plus.