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Did you know this? TPMS Sensor.. Login/Join 
7.62mm Crusader
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They got batteries in them. Could be one of two different kinds of batteries. I needed to have one of my new tires plugged a 2nd time.. Frown Now I am going to replace the tire. Both punctures out in the no repair zone. Driving on the Flea Market property is hazardous. So the bad tire lost a bunch of air when temps here dropped down. Blew it back up and its holding air now. The TPMS dash light is staying on now. A friends Rav 4 had a rear mounted spare on its door mount which went low air pressure. Her dash warning light came on. Pretty tech. I am starting to think my sensor may have a bad battery. What do you know of TPMS sensors?

This message has been edited. Last edited by: David Lee,
 
Posts: 16448 | Registered: December 23, 2008Reply With QuoteReport This Post
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Toyota's have to be programmed in the cpu for the TPMS system to recognize them. Batteries good for about 5 years. Unlike others systems, Toyota does not indicate which tire has the problem. Can be any or all of them
 
Posts: 749 | Registered: November 07, 2013Reply With QuoteReport This Post
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5-6 on older ones and 5-10 on never versions from what I have read
 
Posts: 7332 | Location: Bismarck ND | Registered: February 19, 2003Reply With QuoteReport This Post
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That always drives me crazy. I basically own 4 cars between the wife and kids. All have TPMS but only one of them indicates the individual tire. What a clusterfuck system.
 
Posts: 3579 | Registered: June 18, 2005Reply With QuoteReport This Post
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Tire stores or repair shops can read the units, and they'll know which one(s) are low. If you're likely to keep car a long time, you can replace them all so the repairs are done once, and not repeating one wheel at a time as batteries about the same age give out together.

My batteries went 11 years in a G8.


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Posts: 1623 | Location: Berks Co PA | Registered: December 20, 2006Reply With QuoteReport This Post
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quote:
Originally posted by pedropcola:
That always drives me crazy. I basically own 4 cars between the wife and kids. All have TPMS but nay one of them indicates the individual tire. What a clusterfuck system.


I know Ford sensors will transmit all the info but the computer in the car has to have that feature "turned on." My Mustang is a base model so that feature is flagged as "dumb mode" so all I get is a binary problem/no problem light/message.

I'm into year 9 on my '13.


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Posts: 2755 | Location: Memphis, TN | Registered: August 23, 2010Reply With QuoteReport This Post
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That’s messed up. My 2021 Subaru tells what each tires psi is. It’s nice.
 
Posts: 3579 | Registered: June 18, 2005Reply With QuoteReport This Post
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There are all different sensor types and kinds and very specific to your vehicle. It depends on year, make,model, wheel type(steel or alloy)rubber stem or metal and sometimes whether there is a sensor in the spare. Replacement sensors can be OEM or aftermarket. Some come pre-programmed and some need to be programmed or cloned. Not all cars have tire sensors in the wheel although all cars made after 2007 have to have some provision to let the driver know that the tire is low on air. Some cars rely on their wheel speed sensors to supply this information.


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Posts: 309 | Registered: December 24, 2006Reply With QuoteReport This Post
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Toyota / Lexus issue: Two years ago I drove about six months with an intermittent TMPS light that lit up the dashboard 'red triangle' panic light. Every time I visited the tire shop, it was off and they said to come back. It finally stayed on long enough for the shop to read it and charge me $80 to replace that sensor.

Last fall, the intermittent TMPS light lit up again. Time to play the game again, or just pay more and replace the other three sensors.
 
Posts: 1873 | Registered: October 24, 2007Reply With QuoteReport This Post
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quote:
Originally posted by David Lee:
What do you know of TPS sensors?
Made by Initech
 
Posts: 92933 | Registered: January 20, 2000Reply With QuoteReport This Post
7.62mm Crusader
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quote:
Originally posted by bryan11:
Toyota / Lexus issue: Two years ago I drove about six months with an intermittent TMPS light that lit up the dashboard 'red triangle' panic light. Every time I visited the tire shop, it was off and they said to come back. It finally stayed on long enough for the shop to read it and charge me $80 to replace that sensor.

Last fall, the intermittent TMPS light lit up again. Time to play the game again, or just pay more and replace the other three sensors.
My thoughts exactly. If they cant tell which sensor is bad or just a bad battery, I understand they cost $40.00 or more each, plus the mount and rebalance of 4 tires. Racket. I think I can just live with the light on as I have a good tire gage. That's more than I can say for the small tire shop that plugged the tire. 75 Pounds air pressure this last time and no gage on the guy.
 
Posts: 16448 | Registered: December 23, 2008Reply With QuoteReport This Post
7.62mm Crusader
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quote:
Originally posted by parabellum:
quote:
Originally posted by David Lee:
What do you know of TPS sensors?
Made by Initech
Para I find only a fragrance company by that name. Schrader seems to make some OEM sensors. They cant even leave a simple thing like tire pressure free from electronics. Really just want round rubber wheels which go down the road nicely. The sensors do give good service life considering what they endure.
 
Posts: 16448 | Registered: December 23, 2008Reply With QuoteReport This Post
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quote:
Originally posted by David Lee:
quote:
Originally posted by parabellum:
quote:
Originally posted by David Lee:
What do you know of TPS sensors?
Made by Initech
Para I find only a fragrance company by that name.


Initech’s headquarters burned down several years ago. That could explain it.

Try the ones made by Initrode if you can’t find Initech units.

-Rob




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Posts: 15564 | Location: Maryland, AA Co. | Registered: March 16, 2006Reply With QuoteReport This Post
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On cold days, my TPS lights go on. I still the tires with air but I still have to go drive for a short distance before the light goes out. And when i say cold, San Francisco Bay Area cold so no snow.



"It did not really matter what we expected from life, but rather what life expected from us. We needed to stop asking about the meaning of life, and instead to think of ourselves as those who were being questioned by life – daily and hourly. Our answer must consist not in talk and meditation, but in right action and in right conduct. Life ultimately means taking the responsibility to find the right answer to its problems and to fulfill the tasks which it constantly sets for each individual." Viktor Frankl, Man's Search for Meaning, 1946.
 
Posts: 16250 | Location: Bay Area, CA | Registered: March 24, 2011Reply With QuoteReport This Post
7.62mm Crusader
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Hey, 4 brand new Toyota OEM on Ebay for a hunnert bucks. Its just another hundred bucks. I dont need them just now cause my wheels are still round.. Big Grin
 
Posts: 16448 | Registered: December 23, 2008Reply With QuoteReport This Post
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Dang!
I had no idea that there was a battery in the...

TPS = Throttle Position Sensor.
TPMS = Tire Pressure Monitoring Sensor.

FWIW, there is a TPMS kit that can be had for about thirty bucks. Sensors are screwed into the valve stem cap and the receiver plugs into the lighter socket. It monitors pressure and temperature and gives a readout for each tire.



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TPMS (tire pressure monitoring system). I thought you meant a throttle position sensor.

Generally with TPMS, the light on steady means a low tire (it is also possible for a faulty sensor to read low), a flashing light that turns on steady after a while is a lack of communication from one or more sensors. Any direct-measurement system (indirect systems, using the wheel speed input from the ABS, also exist) has an internal battery in the sensor, and they do go bad over time. My own Toyota (2009 Corolla) still has the originals. Two weeks ago I did have the light flash then turn steady on two occasions, but it hasn't repeated itself.
 
Posts: 24587 | Location: Johnson City/Elizabethton, TN | Registered: April 28, 2012Reply With QuoteReport This Post
7.62mm Crusader
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quote:
Originally posted by egregore:
TPMS (tire pressure monitoring system). I thought you meant a throttle position sensor.

Generally with TPMS, the light on steady means a low tire (it is also possible for a faulty sensor to read low), a flashing light that turns on steady after a while is a lack of communication from one or more sensors. Any direct-measurement system (indirect systems, using the wheel speed input from the ABS, also exist) has an internal battery in the sensor, and they do go bad over time. My own Toyota (2009 Corolla) still has the originals. Two weeks ago I did have the light flash then turn steady on two occasions, but it hasn't repeated itself.
This is what mine does after the vehicle has been shut off. Flash a few times them steady light. And yes, I called the tire pressure sensor the TPMS. If 38supersig would have read beyond my acronym, he would have known. The sensors actually came about due to a Federal Law regarding vehicle roll overs from under inflated tires. TREAD Act.
 
Posts: 16448 | Registered: December 23, 2008Reply With QuoteReport This Post
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Local tire shop should have a small device they can go around and check your sensors individually.


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Posts: 4652 | Location: Ohio | Registered: December 27, 2008Reply With QuoteReport This Post
7.62mm Crusader
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quote:
Originally posted by Krazeehorse:
Local tire shop should have a small device they can go around and check your sensors individually.
Thank you, I will ask about that.
 
Posts: 16448 | Registered: December 23, 2008Reply With QuoteReport This Post
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