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Installed TRD valve stem caps, months later TPMS on

Discussion in '2nd Gen. Tacomas (2005-2015)' started by MRW, Sep 19, 2011.

  1. Sep 19, 2011 at 7:54 PM
    #1
    MRW

    MRW [OP] Well-Known Member

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    Hey Guys,

    I installed these TRD valve stem caps (with locking nut) that I bought from a member here, and now months later my TPMS went off. I just refilled all my from 30 to 33 psi, and it still is on. When I turn on the truck it turns on, then turns off for a second, then turns back on and stays steady.

    The valve stem caps are the only things I have changed in a while and when I came back home I took off the caps and put on the original ones and reset the battery for 20 minutes hoping that it would reset the tpms... however the light is still on.

    Anyone have the same issue? Any advice on what I can do to get this fixed? I attached a pic of the stem I installed.

    Thanks

    DSC02550.jpg
     
  2. Sep 19, 2011 at 8:05 PM
    #2
    Sproulesxrunner

    Sproulesxrunner Well-Known Member

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    Too much for TW to know
    Be careful with those valve caps.... One of my cap's logo came off and it looks like this:
    [​IMG]
     
  3. Sep 19, 2011 at 8:06 PM
    #3
    yotamikez

    yotamikez Street glide or die

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    x2 lol
     
  4. Sep 19, 2011 at 8:06 PM
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    MRW

    MRW [OP] Well-Known Member

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    No I didnt.. I never knew the spare had a tpms.. I will check that next thanks
     
  5. Sep 19, 2011 at 8:10 PM
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    yotamikez

    yotamikez Street glide or die

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    Thats normally the one that goes off. If your lucky your spare will be valve stem down if not drop it and put it that way. My tpms went off last month and I filled the spare, problem solved.
     
  6. Sep 19, 2011 at 8:20 PM
    #6
    MRW

    MRW [OP] Well-Known Member

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    Thanks guys I will try this out and cross my fingers!
     
  7. Sep 19, 2011 at 8:36 PM
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    MRW

    MRW [OP] Well-Known Member

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    They were down to 29-30 psi all around. I usually keep them at 33, with a tire max of 35
     
  8. Sep 19, 2011 at 8:36 PM
    #8
    jhodge83

    jhodge83 Any dog under 50# is a cat and cats are useless... Moderator

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    wat?
    right...06-08. dont think the 05s had tpms at all.
     
  9. Sep 19, 2011 at 8:40 PM
    #9
    BradleyScottETC

    BradleyScottETC Class IV Category 8 Elite VIP Member (Only)

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    You are honestly, truly inclined to blame a TPMS light on a 3-month-old installation of an aftermarket valve stem cap?
     
  10. Sep 19, 2011 at 8:42 PM
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    MRW

    MRW [OP] Well-Known Member

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    I ready somewhere on here a while ago to beware of those trd stems because they could mess with the sensors, so thats why I thought my light went off.. But at the time I just installed and locked in and said eff it I am going to keep them on especially because the light hasn't gone off yet.
     
  11. Sep 19, 2011 at 8:44 PM
    #11
    BradleyScottETC

    BradleyScottETC Class IV Category 8 Elite VIP Member (Only)

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    But the picture of what you installed is of valve-stem CAPS, not a valve stem, from what I can tell. How can a valve-stem CAP cause air to leak out of a valve stem?
     
  12. Sep 19, 2011 at 8:48 PM
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    BradleyScottETC

    BradleyScottETC Class IV Category 8 Elite VIP Member (Only)

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    Also, constructively, the first thing I did when I brought my truck home from the dealership was to drop the spare and flip it upside down, so you can fill it without removing it. IIRC all Toyota vehicles since 2008 with full size spares will have TPMS sensors in said spares- Tacomas, 4runners, Rav4s, Highlanders, etc.
     
  13. Sep 19, 2011 at 8:54 PM
    #13
    jhodge83

    jhodge83 Any dog under 50# is a cat and cats are useless... Moderator

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    wat?
    tacomas removed the tpms from the spare in 09...not sure if they picked it up again or not.
     
  14. Sep 19, 2011 at 9:06 PM
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    MRW

    MRW [OP] Well-Known Member

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    By chance do you guys know they spare tire max pressure?
     
  15. Sep 19, 2011 at 9:09 PM
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    yotamikez

    yotamikez Street glide or die

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    Same as the others...
     
  16. Sep 19, 2011 at 9:37 PM
    #16
    MRW

    MRW [OP] Well-Known Member

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    I just checked my spare and the psi was 33 (normal).. I pumped it up to 34 just in case and checked TPMS.. and its still on... do I need to bring this to the stealership?
     
  17. Sep 19, 2011 at 10:10 PM
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    yotamikez

    yotamikez Street glide or die

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    If all tires are aired up then thats all you can do. You will probably end up buying new ones if they arn't under warranty.
     
  18. Sep 19, 2011 at 10:16 PM
    #18
    MRW

    MRW [OP] Well-Known Member

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    After reading up on some old threads.. i tried the reset (initialization) button and the light turns off. The manual says to hold the button for while key is in "On" position until the light blinks 3 times...

    Glad that the light is off for now, hopefully it doesnt come back on again!
     
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