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Electronic whine immediately after I turn off the ignition?

Discussion in '3rd Gen. Tacomas (2016-2023)' started by 5 Steps, Nov 3, 2020.

  1. Nov 3, 2020 at 10:41 AM
    #1
    5 Steps

    #1
    5 Steps [OP] Active Member

    Joined:
    Sep 3, 2020
    Member:
    #339662
    Messages:
    28
    Gender:
    Male
    First Name:
    John
    Vehicle:
    ‘20 SR5 DCSB 4X4
    Barcelona Red with Blackout Pkg, TRD bits, Geolandars
    When I get home in the evening and I turn the truck off, I get this weird, electronic type of whine for about 3-5 seconds, and then it stops.

    What the heck is that and why?
     
    5 Steps, Nov 3, 2020
    #1
  2. Nov 3, 2020 at 10:44 AM
    #2
    JEEPNIK

    #2
    JEEPNIK Well-Known Member

    Joined:
    May 5, 2020
    Member:
    #326895
    Messages:
    1,716
    Gender:
    Male
    Vehicle:
    2020 Voodoo Blue TRD Sport
    Probably the air doors moving to the unpowered position. Cars with vacuum motors made a bit more noise as the vacuum broke.
     
    JEEPNIK, Nov 3, 2020
    #2
  3. Nov 3, 2020 at 10:46 AM
    #3
    5 Steps

    #3
    5 Steps [OP] Active Member

    Joined:
    Sep 3, 2020
    Member:
    #339662
    Messages:
    28
    Gender:
    Male
    First Name:
    John
    Vehicle:
    ‘20 SR5 DCSB 4X4
    Barcelona Red with Blackout Pkg, TRD bits, Geolandars
    I hit the search bar AFTER I posted. It appears to be related the smog pump and is, apparently, normal.

    Please disregard. I could not figure out how to delete the post.

    Thanks!
     
    5 Steps, Nov 3, 2020
    #3

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