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Buzzing after turning truck off

Discussion in '2.5 Gen TRD Pro (2014-2021)' started by KeetAz, Mar 10, 2020.

  1. Mar 10, 2020 at 2:52 PM
    #1
    KeetAz

    #1
    KeetAz [OP] New Member

    Joined:
    Apr 8, 2019
    Member:
    #28820
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    196
    Gender:
    Male
    Gilbert AZ
    Vehicle:
    2020 SuperWhite PRO
    I’ve noticed since having my ‘20 Pro that when I turn the truck off, there’s a pretty loud buzzing noise that lasts about 4-5 seconds. I don’t remember my Limited doing it. The keyless entry system maybe? Thoughts?
     
    KeetAz, Mar 10, 2020
    #1
  2. Mar 10, 2020 at 2:59 PM
    #2
    15whtrd

    #2
    15whtrd Mr. Blonde

    Joined:
    Sep 20, 2015
    Member:
    #1829
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    9,388
    Gender:
    Male
    First Name:
    Sean
    SoCal
    Vehicle:
    White 2015 Tundra DC SR5 TRD 4x4 5.7L, White 2003 Sequoia 2WD
    TRD Pro suspension, +2 Coachbuilder shackles, 2015 TRD Pro headlights, 20% ceramic tinted windows, clear ceramic tinted front windshield, aFe drop in pro s dry air filter, TRD airflow accelerator, TRD oil fill cap, TRD 18 psi radiator cap, BDX Bullydog tuner, Weathertech floor mats front and rear, rear seat fold down mod, DNA hard trifold tonneau cover, Linex with uv protection, TRD rear swaybar, TRD center caps, TRD Pro grille insert with color matching surround and bulge, TRD PRO headlights, aluminum oil filter canister, Real truck tailgate seal, Pop-n-lock tailgate lock actuator, rear diff breather relocate, RCI front skid plate. 275/70 R18 BFG KO2s
    I get it too. I think it’s maybe something to do with emissions or some type of valve closing. Maybe even something to do with the HVAC. Funny I did know the answer five years ago but now I don’t remember. Haha
     
    Last edited: Mar 10, 2020
    15whtrd, Mar 10, 2020
    #2
    NewImprovedRon likes this.
  3. Mar 10, 2020 at 3:00 PM
    #3
    KeetAz

    #3
    KeetAz [OP] New Member

    Joined:
    Apr 8, 2019
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    Male
    Gilbert AZ
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    Ok. That makes me feel better knowing it’s not just me
     
    KeetAz, Mar 10, 2020
    #3
    15whtrd[QUOTED] likes this.
  4. Mar 10, 2020 at 3:06 PM
    #4
    Bad Cow

    #4
    Bad Cow GOD Bless The USA

    Joined:
    Jan 17, 2020
    Member:
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    Messages:
    608
    Gender:
    Male
    Georgia USA
    Vehicle:
    2019 TRD PRO - SUPER WHITE
    Leather Steering Wheel, +1.5" Shackles
    Yep, my 19 PRO does the same thing. Whatever it is, it's normal. Even my wife's 19 Highlander Limited does it.
     
    Bad Cow, Mar 10, 2020
    #4
  5. Mar 10, 2020 at 3:17 PM
    #5
    TRDFerguson

    #5
    TRDFerguson SSEM #99/RGBA #8-ish?/It’s a funny name.

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    Something something evap self test for the gas tank. It's normal.
     
    TRDFerguson, Mar 10, 2020
    #5
    NewImprovedRon and 15whtrd like this.
  6. Mar 10, 2020 at 3:53 PM
    #6
    15whtrd

    #6
    15whtrd Mr. Blonde

    Joined:
    Sep 20, 2015
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    Messages:
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    Gender:
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    First Name:
    Sean
    SoCal
    Vehicle:
    White 2015 Tundra DC SR5 TRD 4x4 5.7L, White 2003 Sequoia 2WD
    TRD Pro suspension, +2 Coachbuilder shackles, 2015 TRD Pro headlights, 20% ceramic tinted windows, clear ceramic tinted front windshield, aFe drop in pro s dry air filter, TRD airflow accelerator, TRD oil fill cap, TRD 18 psi radiator cap, BDX Bullydog tuner, Weathertech floor mats front and rear, rear seat fold down mod, DNA hard trifold tonneau cover, Linex with uv protection, TRD rear swaybar, TRD center caps, TRD Pro grille insert with color matching surround and bulge, TRD PRO headlights, aluminum oil filter canister, Real truck tailgate seal, Pop-n-lock tailgate lock actuator, rear diff breather relocate, RCI front skid plate. 275/70 R18 BFG KO2s
    Exactly!:rofl:
     
    15whtrd, Mar 10, 2020
    #6
  7. Mar 10, 2020 at 3:59 PM
    #7
    toyota tom

    #7
    toyota tom New Member

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    2019 SR5 4x4 CM
    ESP underseat storage Shorter 6” antenna Bilstein 6112 @ 2.5, 6150, +2 CB shackle 275/60/20 ridge grapplers
    I think it is the flex capacitor...thoughts??
     
    toyota tom, Mar 10, 2020
    #7
  8. Mar 10, 2020 at 4:11 PM
    #8
    tttrdpro

    #8
    tttrdpro Former Naval Person

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    Chris
    SWGA
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    2021 Super White TRD Pro
    In progress…
    The flux capacitator is only on the Super White Tundras. It’s what makes them the fastest.
     
    tttrdpro, Mar 10, 2020
    #8
    Medic343 likes this.
  9. Mar 10, 2020 at 4:13 PM
    #9
    TundraMcGov.

    #9
    TundraMcGov. Your friend. Your foe. Not yo Ho.

    Joined:
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    #22089
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    Gender:
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    First Name:
    Jofus
    Burpinham, Babalama
    Vehicle:
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    Uploading your latest driving data to the benevolent imperial federal guvmunt. Don't worry. They only want to help.
     
    TundraMcGov., Mar 10, 2020
    #9
    Jdubb33 likes this.
  10. Mar 10, 2020 at 4:18 PM
    #10
    toyota tom

    #10
    toyota tom New Member

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    ESP underseat storage Shorter 6” antenna Bilstein 6112 @ 2.5, 6150, +2 CB shackle 275/60/20 ridge grapplers
    :rofl::rofl::rofl:
     
    toyota tom, Mar 10, 2020
    #10
  11. Mar 10, 2020 at 4:24 PM
    #11
    14burrito

    #11
    14burrito IG @14burrito

    Joined:
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    @ADSracingshocks - F 3 point ohh / R 2.5 - w/clickers @camburgracing - uniball UCA @rigidindustries - 40" amber/white split, Dually XL, D2 @coopertires - 35/12.5/17 STT MAXX @bayareametalfab - low pro bed rack @toyotausa - 17" rock warrior @sdhqoffroad - rock sliders, a-pillar @hondogarage / @apple / @gaiagps / @dualgps- navigation @wheelersoffroadinc - superbumps
    Secondary air pumps
     
    14burrito, Mar 10, 2020
    #11
  12. Mar 10, 2020 at 4:27 PM
    #12
    toyota tom

    #12
    toyota tom New Member

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    Jacksonville, FL
    Vehicle:
    2019 SR5 4x4 CM
    ESP underseat storage Shorter 6” antenna Bilstein 6112 @ 2.5, 6150, +2 CB shackle 275/60/20 ridge grapplers
    Seriousness though I have noticed the noise but not every time I turn off the truck.
     
    toyota tom, Mar 10, 2020
    #12
  13. Mar 10, 2020 at 4:28 PM
    #13
    tttrdpro

    #13
    tttrdpro Former Naval Person

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    In progress…
    Don’t come in here with facts. That’s no fun on a Beer Tuesday.
     
    tttrdpro, Mar 10, 2020
    #13
    NewImprovedRon likes this.
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