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TPMS went out?

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    TPMS light flashed....stayed on...then turned off. Tire pressure is ok during that hot pressure moment and also cold temp.

    I got the 2010 brand new. Battery already out 80k miles?

    So tire shop could tell which sensor is out assuming only one is out? Hope they don't sucker me into more than 1 sensor.
    stocktc1 wrote:
    TPMS light flashed....stayed on...then turned off. Tire pressure is ok during that hot pressure moment and also cold temp.

    I got the 2010 brand new. Battery already out 80k miles?

    So tire shop could tell which sensor is out assuming only one is out? Hope they don't sucker me into more than 1 sensor.


    It's time, not mileage. Most of those batteries only last like 5-6 years. So you're right on time! And sucker you into more than one? If one died, the other three aren't far behind. Just age, batteries die. Just like car batteries don't usually last for more than 4 years.
    Some sites say they last 10 years? On tire rack installer price list it says $5. Is it that cheap to program to ecu? Or just to install the sensor? The sensor is like 50$ discount tires said like 60 $ each with install.
    • Edited 1 times, last by sciontc_mich on .
    stocktc1 wrote:
    Some sites say they last 10 years? On tire rack installer price list it says $5. Is it that cheap to program to ecu? Or just to install the sensor? The sensor is like 50$ discount tires said like 60 $ each with install.

    well if yours died, I wouldn't be surprised. From what I remember, they are lithium batteries. And those can and do die at about the 5-6 year mark. Just because someone got 10 years doesn't mean everyone will. Like that one guy I heard got 7 years on a stock battery! I got 4 and was lucky.

    So discount is saying they'd charge $5 extra when installing tires? Sounds like they're just making money, since it screws in just like a normal air valve, just has a small body resting in a dedicated space on the wheel. but hey it's just their labor/time I guess.

    It's not tough to program a new one. Most tire shops have the programmer to have your ecu/computer recognize the new ones. I've never heard of anyone replacing the battery on these.. Big question is WHY ISNT THE BATTERY REPLACEABLE!! That's like throwing our cars out because the main battery in the engine bay went bad! dumb!

    here's the part number and yes I would buy the Toyota one!
    http://www.sparksparts.co...at/?part_name=tpms-sensor

    EDIT:
    http://www.tirereview.com/changing-tpms-sensor-batteries/

    Reading that website, makes me think who cares if your sensor goes bad on the tpms system. It's just an idiot light, seriously. It's just trying to tell you that you were too lazy to take out an tire air gauge and check the air pressures in your tires. If you don't have the money right now, just let it be dead and leave the dumb light on, on the dash. It will NOT affect your abs, since abs is measured by a separate abs sensor on the hub area. Just giving you some peace about this, that it can wait. Some don't even put the tpms inside winter/snow tires and nothing bad happened to them. It's just a government over reach for overreaction to the ford/firestone under inflation issue back in the late 90s/early 2000s. And in that case Ford went against Firestones recommendations and told their customers to put LOWER air than what was safe because Ford was too lazy to re-engineer the suspension, so they lowered the air pressures to compensate for it.

    So if you don't have the money to replace them right now, don't worry about it, just be aware you'll have a light on, on your dash. And just get a nice digital tire gauge and check the air pressures yourself! We're scion owners, not camry owners! lol we check things!
    I also wanted to post again.. For the price, try Denso's for $32, since denso made it for Scion/Toyota. It's DENSO 5500103 so you can google that, rockauto has it for $32. Amazon might have it too. And look it says "10 year battery life".. What a joke that was, eh? I always take 60% of what they say for any lifespan claim. Even tires.
    Went to store and they wouldn't help me. I mean remove the tire for one sensor? Rebalance. $60 around. Like bleeding brakes. Maybe there is no profit so they turned me away saying they last 10 years. Sensor is 50 plus 10 install. No profit? Probably do it off I was buying new tires
    sounds like you're dealing with another shop full of losers. No offense, but you sure can find the bad places I did find out that there is a tool that hooks up to your obd2 port (they have it there where they service the tpms sensors) and it will tell how much battery life each sensor has left. But yeah save your money for now and just check your tire pressures with a nice digital tire gauge. I like mine from accutire, but there are a lot of good ones out there.
    It was Big O tires. I have a $100 reader from Harbor freight. You think it has that function?

    Well most of my drives are 1.5 hours long on a highway. I like the TPMS to tell me some severe loss of air going on. I can start checking my pressure more often but I feel safer with them during the highway drives.

    I was reading around and maybe too much pressure is causing the light to turn on? It is really hot right now and the hot temp pressure is really high. I mean 32psi recommended cold versus 36 hot but dont think thats a lot.
    stocktc1 wrote:
    It was Big O tires. I have a $100 reader from Harbor freight. You think it has that function?

    Well most of my drives are 1.5 hours long on a highway. I like the TPMS to tell me some severe loss of air going on. I can start checking my pressure more often but I feel safer with them during the highway drives.

    I was reading around and maybe too much pressure is causing the light to turn on? It is really hot right now and the hot temp pressure is really high. I mean 32psi recommended cold versus 36 hot but dont think thats a lot.


    I don't think the obd2 scanner has that feature. I think it's a special programmer that communicates with the tpms sensors. I mean a higher priced/featured scanner probably. I tried my harbor freight scanner on a friend's car that has tpms and it didn't read any of them. I think the tpms is discussed in your owner's manual, it should tell you the range it will activate. Most of the time they have it to come on for LOW pressure.

    Just go old school and check the tires the way people have for 100 years. A tire gauge. lol. Unless you want to spend the money, because it won't hurt anything to ignore it being bad for now. Sometimes I think technology is really getting to make people be lazy. Not to mention how much that tech costs when it dies.
    Well if one goes bad, the tire shop has to take off the tire from the rim, rebalance. For $60 total when the sensor is like $50? Seems too much work for them.
    You leave them in place, the air valve will still work to put in and let air out. Get a tire gauge and save the money for now. But if you want to replace them, go ahead and spend the money.. No harm will be if left in place.
    The TPMS actually helped one time. Long time ago we stopped at dealer. There was a nail in the tire. It was a slow leak. Regular pressure checks did not detect it. The TPMS detected the slow leak.
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