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Why no TPMS light?

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Old Nov 7, 2007 | 12:27 PM
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Default Why no TPMS light?

I just installed 4 winter rims and tires, without the TPMS sensors. I was expecting the warning light to come on, but so far, no light.

Any explanation?

Thanks
Garry
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Old Nov 7, 2007 | 12:46 PM
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because your other set of tires wit the tpms is still reading it. the light wont go off if u drive a couple of miles.
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Old Nov 7, 2007 | 12:56 PM
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The warning lights will come on after x miles if the computer does not detect the sensors. If the other set of wheels are close by when you start the car, it may be reading them.
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Old Nov 7, 2007 | 01:22 PM
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It happens to me every other day because the tpms for my tires are sitting in some unused tires in my garage. After I drive it 20 miles it comes on.
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Old Nov 8, 2007 | 04:34 AM
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Thanks, guys for the feedback. Well, I have now driven the car several times, about 30 miles. Still no light has come on.
Could it be caused by the spare in the trunk?
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Old Nov 8, 2007 | 04:54 AM
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There's no sensor in the spare. Even if there was, if it was detecting only 1 out of 5 sensors, the light should come on.
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Old Nov 8, 2007 | 05:55 AM
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Originally Posted by canadaIS
I just installed 4 winter rims and tires, without the TPMS sensors. I was expecting the warning light to come on, but so far, no light.

Any explanation?

Thanks
Garry
Did you install your tires and rims at the dealers,and what is the size?
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Old Nov 8, 2007 | 07:38 AM
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Where are you storing your stock wheels and TPMS? If they're close to where you're parking every night, the system detects them, and the warning light won't come on until after you drive away from them for some time.

Javier
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Old Nov 8, 2007 | 08:12 AM
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Originally Posted by javyLSU
Where are you storing your stock wheels and TPMS? If they're close to where you're parking every night, the system detects them, and the warning light won't come on until after you drive away from them for some time.

Javier
^^^ what he said. Trust me if the sensors are not around, and you are not parking close to them, they will come on.
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Old Nov 8, 2007 | 09:36 AM
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I have 16 inch rims, which the dealer installed. The dealer is storing my summer tires, so they are no where near my car.
It is now day #2, and I have driven the car 5 times in total, about 45 miles.
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Old Nov 8, 2007 | 10:09 AM
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Are you sure they didn't transfer your TPMS to your winter wheels?

Javier
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Old Nov 8, 2007 | 01:56 PM
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When I got my Progressiv ME's a long long time ago. I had them installed without sensors. I drove maybe 60 miles before the light went off. When I had my Varianza T1S, I had the sensors in, but they weren't activated, and the light went off within about 15 miles. I don't know how often it checks.
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Old Nov 9, 2007 | 04:26 AM
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Javier: Yes, I was thinking maybe the new tires have the sensors in them, even though I didn't pay for them. It is now day #3, the car has been started about 12 times, and after 50 miles or so, still no light.

Garry
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Old Nov 9, 2007 | 08:19 AM
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Originally Posted by canadaIS
Javier: Yes, I was thinking maybe the new tires have the sensors in them, even though I didn't pay for them. It is now day #3, the car has been started about 12 times, and after 50 miles or so, still no light.

Garry
I think what everyone is saying, is that the dealer may have swapped your old TPMS sensors into the new rims.
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Old Nov 9, 2007 | 08:24 AM
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Originally Posted by BounceNY
I think what everyone is saying, is that the dealer may have swapped your old TPMS sensors into the new rims.

Very easy for him to find out.
Look at the valve stem.

Let some air out of one tire.
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