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‘13 WDT A6 sedan, headers, intake, two booster seats in the back.
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Today I went over a good dip in the road that made the suspension pretty much travel up and down all the way. After that, the TPMS flashed a few times and stayed on. For all four tires there is no data.
Yesterday I swapped over to my all-season wheels, and the TPMS was fine after that.
All tires are ~31.


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did you reset the TPMS after swapping wheels?
sometimes mine would be ok without resetting the TPMS for a little bit then not work again, which is weird but it happens
 

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How are you "activating" the TPMS sensor? I used a big-ass magnet from an old 5.25" Hard Drive. But I had to restart a couple of times before I finally succeeded. If you used a magnet, it might not have been strong enough...
 

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I use a tpms tool I had gotten on close out from tire rack for $9.99
on my 11 I didn’t need the tool but my 14 needs it even though I’m using the winter set that I used with my 11. Tells me it’s the car and not a change in the factory sensor

there looks to be a ton of the same tool in different colors and brands on Amazon and I’m sure on eBay too
 

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The easy way is to drive to a Discount Tire store. They will reset your sensors for you. The estimated life for the batteries in the sensors is 5-10 years. I was having intermittent loss of signal on my 2011 V so I replaced the sensors when I replaced my tires last summer. No more problems.
 

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The easy way is to drive to a Discount Tire store. They will reset your sensors for you. The estimated life for the batteries in the sensors is 5-10 years. I was having intermittent loss of signal on my 2011 V so I replaced the sensors when I replaced my tires last summer. No more problems.
This...how old is this set?
 

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I think using my own tool is way easier than driving and waiting at a tire shop, even if it’s free I would hope a $5-$10 tip would be given

takes a few seconds longer than it takes to walk around the car
 

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I use a tpms tool I had gotten on close out from tire rack for $9.99
on my 11 I didn’t need the tool but my 14 needs it even though I’m using the winter set that I used with my 11. Tells me it’s the car and not a change in the factory sensor

there looks to be a ton of the same tool in different colors and brands on Amazon and I’m sure on eBay too
I use this same item and it works great. Got mine on eBay
 
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Tool is the way to go. Mine though gives me issue since the wheels that I currently have on the car the sensors are recessed in on the wheel and the tool doesn't pick up the signal well with these set. On my stock set though no issue and works like a charm! Definitely invest in a tire sensor tool.
 

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2019 CTS Vsport
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Today I went over a good dip in the road that made the suspension pretty much travel up and down all the way. After that, the TPMS flashed a few times and stayed on. For all four tires there is no data.
Yesterday I swapped over to my all-season wheels, and the TPMS was fine after that.
All tires are ~31.


Sent from my iPhone using Tapatalk
Rip out the TPMS on each tire and throw them in the garbage. Problem solved! If anyone thinks this is bad advice then let us know. I heard of someone going this recently and it made perfectly good sense to me. Of course it is easy for me to say as my car is still under warranty. PS, I ride on Pirelli P Plus run flats. The grip of these tires seem second to none.
 

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Troll?
 
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My first experience with Runflats was with my 98 C5. Chevy went with these not because of performance, but because it let them get away with not including a spare tire (or designing a space to hold a spare tire). I hated them for their decision. The tires were heavy and the stiff sidewalls reduced their ability to maximize the contact patch. The only thing they did a little better than a normal tire was handle "transient steering response". There was less elasticity in the sidewalls, so jerking the wheel elicited a "crisper" reaction from the car. But even GM knew they were crap when it came to what a tire was supposed to do - give you traction, which is why when they came out with the Z06 they dumped the RFTs in favor of a 12V compressor and a bottle of fix-a-flat.

Annoyingly, Chevy chose to not include TMPS on the Z06 (because the fix-a-flat would ruin the sensors). I had a friend who managed a Chevy dealer service department who lent me the Tech-II scanner so I could turn the TPMS system on (since the car was the same electronics as the normal C5, Chevy didn't delete the hardware, they just disabled it in the firmware). This is the right combination IMO - TPMS with non-runflat tires. Maximize your performance and know if a tire's pressure is high or low. What more could you ask for?
 
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