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TPMS Bug??????????

Discussion in 'Wheels & Tires' started by gdisarray, Sep 8, 2020.

  1. Sep 8, 2020 at 6:56 PM
    #1
    gdisarray

    gdisarray [OP] Short term member

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    2023 Tundra Limited HV
    Tint and wheels. Decked box in the bed. S and B Cold Air filters under the hood. Shiftpower throttle response controller.
    Is it only capable of saying "Tire Pressure Low" no matter the error?

    The reason it is high is I didn't let enough air out of it. Every time the dealer has to repair a flat they put it back on with 40psi!! :monocle:

    MVIMG_20200907_191626.jpg
     
  2. Sep 9, 2020 at 10:54 AM
    #2
    Navy Eagle

    Navy Eagle New Member

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    Performance dual exhaust, bed liner, tri-fold tonneau cover, swing tool boxes
    Is there any chance the tire was over 47 psig when they repaired it? If it was and they initialized the TPMS when it was at that pressure then you will be showing a low pressure alarm at 35 psig. The TPMS will show a low pressure warning at 75% of the baseline pressure when the system is initialized. If you reset your tires to the correct pressure and then initialize the system the alarm should go away.
     
    GODZILLA and AZBoatHauler like this.
  3. Sep 10, 2020 at 7:59 PM
    #3
    gdisarray

    gdisarray [OP] Short term member

    Joined:
    May 26, 2019
    Member:
    #31028
    Messages:
    560
    Gender:
    Male
    Vehicle:
    2023 Tundra Limited HV
    Tint and wheels. Decked box in the bed. S and B Cold Air filters under the hood. Shiftpower throttle response controller.
    That is not it. I lowered it to the proper pressure with a manual pressure gauge and the light went out. So it wasn't the initialization. I need to air it back up and see if the light comes back on.
     
  4. Sep 11, 2020 at 7:38 AM
    #4
    Navy Eagle

    Navy Eagle New Member

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    Male
    Vehicle:
    2019 Tundra 4X4 Limited Crewmax TRD Off-Road
    Performance dual exhaust, bed liner, tri-fold tonneau cover, swing tool boxes
    That is odd then. I have had my rear tires up to 51 psig cold and never got a high or low warning so I don't understand how you would get a low warning at 35 psig if they were initialized at the proper pressures.
     

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