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TPMS sensor dying/dead

Discussion in 'Gen 4 Prius Care, Maintenance and Troubleshooting' started by Fubar XIII, Jul 10, 2024 at 4:25 PM.

  1. Fubar XIII

    Fubar XIII Member

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    It appears that one or more of my TPMS sensors has given up the ghost. The indicator on the dash flashes every time I start the vehicle then remains on. All pressures have been checked repeatedly and are where they should be.
    As this is the first vehicle I've had TPMS on, I'm uncertain as to what I should do next. Ignoring it seems a poor choice long-term. Is this an item one can self-repair, does it require a mechanic or must it be the dealership?
    I await your replies.
     
    #1 Fubar XIII, Jul 10, 2024 at 4:25 PM
  2. ttou68

    ttou68 Active Member

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    You can replace it yourself, and there's a ton of YouTube videos to show you how if you're handy and have access to a TPMS sensor programmer... Example Autel TS501...

    Or,

    Take it to a tire shop and have them scan TPMS sensor, and they will offer you an estimate of replacement cost...
    Normally one or two sensor are bad...



    Posted via the PriusChat mobile app.
     
    #2 ttou68, Jul 10, 2024 at 8:31 PM
    Fubar XIII likes this.
  3. rjparker

    rjparker Tu Humilde Sirviente

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    #3 rjparker, Jul 11, 2024 at 12:01 AM
  4. FuelMiser

    FuelMiser Senior Member

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    After checking all tire pressures, you should RESET the TPMS using the buttons in Vehicle Settings!
     
    #4 FuelMiser, Jul 11, 2024 at 4:41 AM
  5. rjparker

    rjparker Tu Humilde Sirviente

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    The flashing indicates a failed sensor
     
    #5 rjparker, Jul 11, 2024 at 7:02 AM
    Brian1954 likes this.
  6. ChapmanF

    ChapmanF Senior Member

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    The Vehicle Settings in gen 4 have the same purpose as the pushbutton in gen 3: if you ever change your mind about what tire pressures you prefer, air up all the tires to your new preferred pressure, then use this feature to tell the car "the pressures you see now are what I prefer, set the warning for whatever% lower than these."

    If you have not changed your mind about what the right pressures should be, then there is no reason to do this, and the only thing you might accomplish is replacing the actual right pressures stored in memory with whatever your four tire pressures happen to be at the moment.

    When the system warns you about a tire whose pressure is off, just fix the pressure in the tire and drive the car. The light eventually goes out. The car does not forget what the right pressures were set to be; you don't need to set them again.
     
    #6 ChapmanF, Jul 11, 2024 at 10:12 AM
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