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Humming/Rattle in cab when RPM 1800-2000

Discussion in '3rd Gen Tundras (2014+)' started by JPritch22, Jan 12, 2018.

  1. May 15, 2018 at 10:24 AM
    #61
    Ladicius

    Ladicius New Member

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    Does the ECM get warm? I'd assume that the casing is metal for heat dissipation, wrapping it with anything would hamper that ability, which in turn could void the warranty/damage the ECM.

    Thoughts?
     
  2. May 30, 2018 at 11:32 PM
    #62
    Rbguy90277

    Rbguy90277 New Member

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    Dealer receptionist kept calling. Finally took it in for ECM reprogramming recall. While there, had tech drive with me and acknowledge the ECM rattle while under throttle. Again, have TRD exhaust. Anyways, dealer wrapped the ECM in some sort of Toyota approved sound deading wrap. So far, so good. About 500 mi later and as good as I can ask for.
     
  3. May 31, 2018 at 1:27 PM
    #63
    sgrounds22

    sgrounds22 New Member

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    Took mine in and mentioned the ECM. Drove around the tech because last time I had service done they said they couldn't hear it. This time they came back with the sound is coming from the air injectors. Said there wasn't anything they could do about it.
     
  4. Jun 1, 2018 at 8:15 PM
    #64
    Rbguy90277

    Rbguy90277 New Member

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    I'd take it to another dealer. Makes a world of difference without the rattle. Trust me :crazy:
     
  5. Jul 11, 2018 at 8:06 AM
    #65
    xtyfighterx

    xtyfighterx New Member

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    Mid travel fox 2.5 coilovers 2.0 real shocks shims 295 70 18 trail grapplers pro accessories 32in light bar blacked out bed cover sway bar Moto metal 970 18x9
    Tsb yet? My 2015 is bad only 20k mi
     
  6. Sep 28, 2018 at 4:52 PM
    #66
    Max Power

    Max Power The Beer Baron

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    My truck has begun doing this intermittently. Mine also seems to resolve itself on it's own. I have no idea why it sometimes buzzes a little and other times not at all. I'm going to wrap a zip tie around that ECM thing and see if tightening it down makes it go away for good.
     
  7. Sep 29, 2018 at 7:34 PM
    #67
    TnBrianCM

    TnBrianCM New Member

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    this is the most annoying rattle ever any updates?
     
  8. Sep 30, 2018 at 8:30 AM
    #68
    xtyfighterx

    xtyfighterx New Member

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    Mine was really bad this summer now it’s gone. Toyota could never fix the issue now warranty is up so if the zip tie works like me know!
     
  9. Oct 1, 2018 at 2:04 PM
    #69
    Max Power

    Max Power The Beer Baron

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    Mine has only occurred a couple of times, but it sounds like it could be the ECM. When it happened, it was between 1000 and 1400 RPM's. I haven't really been able to replicate it. Though next time it happens, the zip tie goes on, and I will report back.
     
  10. Oct 4, 2018 at 6:10 AM
    #70
    Johnboy51

    Johnboy51 New Member

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    I’m taking mine to the dealer today to try and fix the problem mine is a constant buzzing when I’m around 2000rpm. This will be the 3rd time I have been to the dealer for this problem the first 2 times they thought it was a loose door panel so maybe I can finally get rid of this noise! I’ll update on if they actually fix it this time
     
  11. Oct 4, 2018 at 6:30 PM
    #71
    TnBrianCM

    TnBrianCM New Member

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    Update on mine for 6 months it was driving me crazy dealership said it was ECM but didn't have a fix. I tried zip ties sound deadner everything. Finally took everything back apart tonight and found a bolt on the back side of glove compartment half way backed out with washer rattling. Tightened and used some blue threadlocker and it fixed it. Mine would only make the noise from around 1600-2000 RPMs for reference.
     
  12. Oct 5, 2018 at 7:09 AM
    #72
    Johnboy51

    Johnboy51 New Member

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    There ordering something for mine said something about a cover and once it comes in they will pull it apart and insulate it so I’m not really sure as to what there going to be replacing but I will find out next week
     
  13. Oct 7, 2018 at 6:23 AM
    #73
    Max Power

    Max Power The Beer Baron

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    Mine hasn't buzzed since the last time I posted in this thread. I have no idea why my truck has only done this twice. It has to be some weird, perfect combination of temperature, humidity, road harmonics, etc. Still waiting to see if my zip tie solution will work should it happen again.
     
  14. Oct 18, 2018 at 8:10 AM
    #74
    AZ_Tundra64

    AZ_Tundra64 New Member

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    Had the same buzzing noise around 2000rpm. Placed a hose clamp and some rubber around the ecm. No noise since.IMG_20181017_193253.jpg
     
  15. Oct 22, 2018 at 9:29 AM
    #75
    Johnboy51

    Johnboy51 New Member

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    What kind of rubber bands are thoes they replaced the ecm and just made the noise worse and it’s drivin me insane. I just got the truck back from the dealer and I’m tired of going back.
     
  16. Oct 22, 2018 at 9:34 AM
    #76
    AZ_Tundra64

    AZ_Tundra64 New Member

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    The rubber is some scrap gasket making material I had laying around. I cut a 2"x18" strip, wrapped it around the ecm, then clamped it down with a hose clamp from Ace.
     
  17. Oct 22, 2018 at 9:59 AM
    #77
    AZ_Tundra64

    AZ_Tundra64 New Member

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    Also I added two 4" strips on each side of the ecm under the long strip to put more pressure on the sides of the ecm. The hose clamp is for 5"-7" pipe. Hope it helps!
     
    Last edited: Oct 22, 2018
  18. Nov 18, 2018 at 10:14 AM
    #78
    vanoss101

    vanoss101 New Member

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    I’m having the ECM buzzing problem in my 2015 Tundra. It seems to happens the most right before it shifts when under light to moderate engine load. I wonder if it’s the same issue and the 2018 are having and what the dealer would do if I brought it to them?
     
  19. Nov 18, 2018 at 11:57 AM
    #79
    Max Power

    Max Power The Beer Baron

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    Over the last couple of days, the buzzing returned, albeit only for a minute or two. It's very subtle, I might not have noticed if I had my radio on. Both times, it would only do it for a few minutes, then it would stop for the remainder of the time I was driving. When mine would do it, the RPM's were usually around 1200-1400, and it would occur after it upshifted, when I still had the gas applied. It's very strange that I can't replicate it, it just does it once in a great while. Well, I decided to be proactive and got up under the glove box this morning. I'm making an educated guess that it's the ECM. I tied a zip tie around it, and got it nice and tight. After that, I drove around, and have no buzzing. However given my inability to replicate the problem I'm not sure if I fixed it or not. Time will tell. I'll report back to this thread if my solution winds up working or not working.
     
  20. Nov 22, 2018 at 5:43 AM
    #80
    Max Power

    Max Power The Beer Baron

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    And the zip tie did nothing. I'm going to try to get up under the glove box, or maybe even remove part of the glove box to get behind it to try to tighten things up. I'm still not 100% sure it's the ECM, the buzzing is very intermittent still.
     
  21. Nov 22, 2018 at 10:23 AM
    #81
    Max Power

    Max Power The Beer Baron

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    With yours, is the issue constant? Or is something intermittent? My buzzing seems to be more frequent, but often will only last for 5 minutes at a time, and then the rest of the drive it's quiet. That's going to make the issue much harder for me to figure out.
     
  22. Nov 22, 2018 at 7:28 PM
    #82
    vanoss101

    vanoss101 New Member

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    Yes my issue is constant. It pretty much always makes a hissing/buzzing sound from the ECM if the engine load is correct and when it shifts while under load. It is not loud, if I’ve got the radio turned up I don’t notice it.
     
  23. Jan 4, 2019 at 1:48 PM
    #83
    Max Power

    Max Power The Beer Baron

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    Just out of curiosity, how tight did you make that? I'm about to try something similar with a hose clamp, but I don't want to over tighten it, either.
     
  24. Jan 6, 2019 at 9:22 AM
    #84
    AZ_Tundra64

    AZ_Tundra64 New Member

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    Just snug at first. Then test drove the truck and tightened the clamp a little at a time until buzzing was fixed. I had the same concern as you.
     
    r1-superstar likes this.
  25. Jan 6, 2019 at 2:51 PM
    #85
    r1-superstar

    r1-superstar Kailua Boy

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    I have it too. From 1500 mi to now, 5000 mi. I will be going to fix it like this. So annoying...Thanks for everyone's input and this forum.
     
  26. Feb 27, 2019 at 7:59 PM
    #86
    Finch

    Finch New Member

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    I just noticed the dreaded buzzing sound today for the first time. I was actually stopped at a red light and a truck with a loud exhaust drove by and caused the rattle. So mine rattles while the truck is sitting still. :D Thanks for the fixes --gonna give it a try.
     
  27. Feb 28, 2019 at 6:41 AM
    #87
    r1-superstar

    r1-superstar Kailua Boy

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    Post #65 helped mine for a bit. Then it came back but not as loud. lol

    https://www.tundras.com/threads/dash-creak-squeak-rattle.18946/page-3
    I'm going to do this next. The rattle is SUPER annoying. Wife says our truck sounds like a Diesel. *smh
     
  28. Feb 28, 2019 at 2:27 PM
    #88
    Max Power

    Max Power The Beer Baron

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    I've been following/commenting in various threads, I was at least able to rule out the ECM as the source of my noise. Mine is most apparent when it's cold, then it quiets down when the truck warms up. The blower motor running has an effect, as when I shut the blower motor off, the noise gets quieter or goes away entirely. There has got to be a piece of plastic or a screw or something that is attached to the blower motor and is loose, or has a tolerance that mostly tightens up when it warms up. I've got to get the glove box removed and give her a once over to make sure everything is secured/tightened up.
     
  29. Feb 28, 2019 at 5:03 PM
    #89
    netranger6

    netranger6 New Member

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    None. Keeping this one stock.
    Hahah. Same
     
  30. Mar 12, 2019 at 1:21 PM
    #90
    r1-superstar

    r1-superstar Kailua Boy

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    Alright, I got a hose clamp, radiator hose, and clamped it like this picture. This is NOT the root of the problem. I have traced it to these metal tubes that bring hot antifreeze into the cab for the heater. The rattle/buzz is most noticeable with the heater on. As soon as I turn it off, the noise goes away. It doesn't do it with the A/C on nor just the fan. *Note: this happens between 1400-1900 rpm in gears higher than first.

    I also noticed the black vent tube was loose so I zip tied it to the chassis. I also wrapped radiator hose around one of the silver tubes and zip tied it on to help eliminate the rattle/buzz. Now I'm going to wrap the other silver tube and zip tie them together to see if the sounds goes away. Anybody have any ideas? This is super annoying.

    20190312_115952.jpg
     

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