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TPMS low tire pressure warning

Discussion in 'Model X: Driving Dynamics' started by Merrill, Sep 13, 2016.

  1. Merrill

    Merrill Active Member

    Joined:
    Jan 23, 2013
    Messages:
    2,489
    Location:
    Sonoma, California
    Can someone tell me at what tire pressure will the TPMS give you a warning that a tire is low. I have set my tire pressures to 42psi and went out today to check them and they were all at 35. I thought that once any tire got 5psi below the required setting the warning would show on the dash.
     
  2. ccutrer

    ccutrer Active Member

    Joined:
    Sep 3, 2015
    Messages:
    1,201
    Location:
    Saratoga Springs, UT
    It's 35 or 36. Then won't turn off again until you get to 37 or 38 for at least a few minutes. Sorry I can't remember the exact number. I had a nail in my tire causing a 1-2psi per day drain, until I could get the tire replaced (unfortunately neither Tesla nor the local tire shop could repair it).
     
  3. BigMskiman

    BigMskiman Member

    Joined:
    Mar 14, 2016
    Messages:
    642
    Location:
    Pleasanton
    I've seen warnings at 36 & 37, never higher, and they don't go away, staying on your cluster screen when car is ON. After filling, OK

    If you accurately measure 35psi, there may be an offset to look into.
     

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