TPMS Sensor
Thread Starter
Pro
Joined: Apr 2007
Posts: 650
Likes: 4
From: Pittsburg Ca.
TPMS Sensor
I think its safe to say my LF TPMS took a dump. Started car and got a message on dic that I had high pressure on LF, (50psi). Pressure with gauge was 30. Reset, restarted and same thing. Disconnected battery, reconnected drove it for about 10 miles 3 reset at 32 and the LF is now reading 0. No more dic warning. Think its safe to say its shot. What do you guys think ?
Race Director
Joined: Apr 2007
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From: Toronto, Canada
C7 of the Year - Unmodified Finalist 2021
Prolly, my LF (coincidentally) acts up once in a while and will drop to zero or show high pressure but goes away within several seconds while driving.
Thread Starter
Pro
Joined: Apr 2007
Posts: 650
Likes: 4
From: Pittsburg Ca.
Race Director
Joined: Apr 2007
Posts: 16,025
Likes: 1,656
From: Toronto, Canada
C7 of the Year - Unmodified Finalist 2021
Burning Brakes
Joined: Jul 2014
Posts: 1,170
Likes: 253
From: Oconomowoc Wisconsin
My LF has been acting up for about a year. I will get the DIC low tire pressure warning occasionally. When I check it is always the LF that show XXXX pressure. Always clears up after sitting all night and the next start up everything is fine. Why is it that the LF is one that seems to go first?
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Pro
Joined: Nov 2014
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From: Milpitas CA
Yep..your TPMS is going bad. Just a matter of time before it goes out. Probably last 6 months to a year before it dies completely. Meanwhile you will be getting those warning on the DIC.
Dicount Tires did mine and reprogrammed it for $80.
Dicount Tires did mine and reprogrammed it for $80.
Race Director
Joined: May 2001
Posts: 15,324
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From: Guelph, Ontario
I have one TPMS that has periodically read zero pressure for 4 years now, still hasn't completely died on me though! With my C5 when one of the sensors started doing that I generally only had a few months left before it would completely die, so I'm shocked this one has lasted this long. I only get the zero pressure reading maybe once a month, sometimes it goes many months in between, so it doesn't bother me enough to replace it yet.
Le Mans Master
Joined: May 2016
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From: Florida
Burning Brakes
Joined: Oct 2015
Posts: 922
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From: Crowley Texas
Le Mans Master
Joined: May 2016
Posts: 7,348
Likes: 1,547
From: Florida
Not unique to every MY, but unique to MYS. I believe the p/n quoted is for 08/09s, in 10 they used a different sensor, different p/n and different frequency. I believe, but don't know for sure, that the 05-07s used a different sensor from 08/09.
Just go to one of the online GM parts houses and enter your car info and look it up.
Just go to one of the online GM parts houses and enter your car info and look it up.