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TPMS and fender shield questions

Discussion in '2nd Gen Tundras (2007-2013)' started by drulie81, Nov 7, 2019.

  1. Nov 7, 2019 at 9:44 AM
    #1
    drulie81

    drulie81 [OP] New Member

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    fus
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    2008 tundra
    New to the tundra forum but Ive searched the forum here a bit and pretty excited about the knowledge base here. Had a few questions that I couldn't find easy answers to, thought you guys might have some thoughts.

    1. I have a 2008 tundra with stock alloy wheels and Tpms sensors all working great, but rims are pretty scratched up from tire chains. I picked up 2018 trd rims with michelline atx s complete with tpms sensors. In calling around it sounds like discount tire will relearn the new TPMS sensors free of charge, but my question is does anyone know if toyota changed the radio frequency from 2008 to 2018, and if so will I need to swap over my old tpms sensors or are the old rim to new rims tpms angles different? Anyone run into this before?

    2. I picked the car up in canada, (super easy process, and the exchange rate was right), it's missing a fender shield and push clips though on the drivers side, i've found replacement parts, but it looks like toyota made a (cold climate) and standard fender shield. Im assuming the canadian market got the cold climate option, but nothing i could find said what the difference was between the cold climate and standard shield. Any thoughts?
     
  2. Nov 7, 2019 at 10:05 AM
    #2
    Scuba

    Scuba Sober member

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    From what I have read here on this forum the 2018+ models have an 8 digit sensor ID and the 07-17 has a 7 digit sensor ID and that being said makes them incompatible.
     
  3. Nov 7, 2019 at 11:39 AM
    #3
    Dr_Al

    Dr_Al New Member

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    My '07 has 8 digit ID sensors. I think the 7 digit are just for steel wheels. I just changed them as one had died on me. The previous owner and was replaced with one that could learn so I replaced them all. It was like $30 something for one and $50 something for four. I think in 2018 and newer Toyota changed something with the sensor design.

    I've read the '18+ all use a 7 digit sensors and I've read that the new sensors also report over pressure. I've even read that if your truck came with steel wheels the TPMS sensors only report if they go below a preset amount where as I can confirm that the sensors I used send the pressure and their temperature to the ECU. So I doubt most f what I've read is 100% accurate.

    If it was me I would just buy 4 new sensors as your 2008 ones are probably getting close to their end of life. Also unless you have the ID numbers of the sensors in the '18 wheels you will need to get them.

    I got mine off ebay from here (https://www.amazon.com/gp/product/B01E612UBK/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1). I see the single sensor price has dropped. There are other sellers and while I have no complaints/ would buy from again I'm not trying to push this seller. These are the sensors Toyota uses (TRW brand). I can't confirm that they aren't Chinese clones branded with the TRW name or how long they will last as I've only had them installed for a couple months now.

    I used TechStream to change the ID numbers. TechStream is great once you get it working. With it you can see if the sensors are working as it'll show the pressure readings and temps. If you have a problem you can see which sensor is bad and if you make a note which wheel has what sensor you can easily replace just that one. Plus it allows things like keys and FOBs to be programmed.
     
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    #3
  4. Nov 14, 2019 at 11:09 AM
    #4
    drulie81

    drulie81 [OP] New Member

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    2008 tundra
    so to bring everything full circle here I was able to confirm just as Dr_Al and Scuba had mentioned the 2018 sensors do not work in a 2008, the rf was changed somewhere in the model years between. Ended up buying new TPMS sensor to not have to worry about replacing them, and so far all is well. Still working through the cold weather modification for the fender flare, I'll report back if I find anything.

    Thanks all
     
  5. Jan 14, 2022 at 8:44 AM
    #5
    AJW

    AJW New Member

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    JBA shorty headers / Koyorad stainless radiator / Belltech street performance lowering struts,shocks / Airlift 72000 wireless air leveling compressor / Firestone air bags.
    Ok, just changed out all my TPMS sensors when i upgraded tires. A reputable shop did the work (Tires, balancing and sensors) but to this day the tire psi light has stayed on. I said a reputable shop because they refunded the money for the sensors. The shop tried programming the sensors on two different occasions both times the light would stay off for a day before coming back on. Anybody else have similar issues after installing new sensors? Just hate having a psi monitor light on all the time.....
     
  6. Jan 14, 2022 at 1:36 PM
    #6
    audiowize

    audiowize New Member

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    There's a sensor in your spare tire...
     

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