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Discussion Starter #1
My wife has on 08 XE and last night she tells me that the display reads "Check RIGHT rear tire pressure" This morning I checked it myself with the "old school" tire gauge and it was a bit low. Mind you that the temperature dropped severely here in Ohio due to Hurricane Sandy. I topped it off to 35psi. This evening she tells me that it is still displaying low tire pressure. So I check all 4 and the LEFT rear is low. Is it possible for the TPMS to be reading the tires incorrectly?
I have a 2007 Chevy Equinox and the TPMS will read the pressure of each tire individually. The Saturn is new to me so I am at a loss on this.
Any input would be helpfull.
 

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My guess would be that the sensors were not redetected after the tires were rotated. Any time the tires are moved, the computer needs to redetect the sensors new location. The owners manual should have this procedure. For 08, you are able to do it without a special tool.
 

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Discussion Starter #6
medicrxdoc said:
There is a tool to "activate" the sensors without adding/letting out any air.

You don't need it though for your 08.
How do I reset it without the "Special Tool"?
 

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You have a setting in the DIC to "Relearn TPMS" or something similar. Do this and then you start at the driver front (the turn signal at that corner will light up). Let some air out until the horn honks. Follow to the lit turn signal and repeat until you did all 4 tires. When your done, the horn honks a couple times.

Like I said above, it is in the owners manual.
 

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Forget about using a "special tool". That tool costs upwards of $1200 if I'm not mistaken. "Re-learning" the TPMS sensors is fairly quick and easy to do. Just make sure you check your tire pressure and top-off to 35 PSI when done.
 

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hehe-- about $60 for this new model.


the original TPMS tool for dealers was about $600- $800-- but it was a whole diagnostic tool for the TPMS system.
Id did way more than just reset.

This new tool-- simply resets the TPMS.
But I know dealers have bought them in large quantities-- as its much cheaper than damaging the fancy tool.

A reset can take about 50 seconds....
 
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