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High frequency noise coming from dash when in 4WD

grizzlyrafting

By grizzlyrafting
in Troubleshooting & Recalls

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SilveradoSaver Senior Enthusiast

SilveradoSaver

Posted
Posted

This drove me nuts when I first got the truck. This winter is the worst we've had in years so I actually had to use my 4WD quite often. I found that the sound is less of an issue for me now. I'm too focused at that point with everything else going on around me (i.e. - bad drivers) that this faint static sound is not a main focus for me. Do I think it shouldn't make any noise? You bet. But for the handful of times I use it, it won't bother me.

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cbrsilv15 Senior Enthusiast

cbrsilv15

Posted
Posted

Everybody is different. I can easily pick up those high pitched noises. Mine will be insulated this spring before next winter.

y7eah Enthusiast

y7eah

Posted
Posted

I had this issue on my 16, as I'm very sensitive to high pitch noises. 16 was re-purchased by GM for unrelated issues. The 17 replacement has ZERO noise associated with shifting 4wd. Hope this helps getting a resolution from GM/ your dealer. I would challenge them join you on a test drive with a 17 and note that there is a difference, hopefully you get action.

  • 6 months later...
kdickey05 Enthusiast

kdickey05

Posted
Posted

THEY FINALLY FIXED MINE!!! Been talking to GM corporate since I bought my 2015 Silverado new, and just today, I got my truck back with the noise from the TCCM GONE! There's finally a bulletin on it. So bring your trucks to the dealer and if they can't figure it out, tell them it's the Error Bulletin PIP5261 and PIP5245 (are the two bulletins listed on my workorder/receipt from the dealership). They replaced my TCCM and apparently programmed it according to the bulletin and the noise is no more. Couldn't be any happier, if you couldn't tell! Finally!

  • 2 months later...
sk Senior Enthusiast

sk

Posted
Posted
On 2/7/2016 at 9:49 AM, rfdude said:

Now, if I could get the dealer to turn down the start up chime volume, I'd be very happy...I've got it set to minimum, but this has no effect. I'm sure the entire neighborhood hears it when I start the truck in the morning.

I gave up fighting GM on the chime volume.  There is a PIT that instructs the Tech on how to turn the volume down but it didn't make much difference.  After that I even worked with the Infotainment Team Specialists and they weren't able to fix it.  I just bought one of these:

 

http://www.seatbeltextenderpros.com/chevrolet-silverado-seat-belt-extender/

 

Get the 3" Rigid in the color to match your interior then plug it in and leave it there.  No chimes!

cbrsilv15 Senior Enthusiast

cbrsilv15

Posted
Posted
On 2/18/2017 at 8:05 PM, cbrsilv15 said:

Everybody is different. I can easily pick up those high pitched noises. Mine will be insulated this spring before next winter.

Quoted my ass for not doing anything to it...  I forgot all about it when I don't have to use the auto 4x4.  Gonna drive me nuts again this winter.

Omallyyy Enthusiast

Omallyyy

Posted
Posted
Quoted my ass for not doing anything to it...  I forgot all about it when I don't have to use the auto 4x4.  Gonna drive me nuts again this winter.
I just brought mine to the dealer and they ordered me a new transfer case. Of this solves my issue I'll tell you as it's covered under warranty.

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Omallyyy Enthusiast

Omallyyy

Posted
Posted
It’s not the transfer case, it’s the control module under the dash near the gas pedal


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The bulletin I read said it's a transfer case? Do you have the bulletin saying otherwise?

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cbrsilv15 Senior Enthusiast

cbrsilv15

Posted
Posted

That’s what I was getting to. If it’s a high pitched whine when in auto, it’s the capacitors in the TCM up under the dash. No fix for it except to dynamat it. 

Omallyyy Enthusiast

Omallyyy

Posted
Posted
That’s what I was getting to. If it’s a high pitched whine when in auto, it’s the capacitors in the TCM up under the dash. No fix for it except to dynamat it. 
Are there any pictures of where you need to put the dynamat?

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Sierra706 Senior Enthusiast

Sierra706

Posted
Posted
The bulletin I read said it's a transfer case? Do you have the bulletin saying otherwise?

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I don’t. But it’s somewhere on this forum. Detailed replacing the control module if adding insulation didn’t help.


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  • 2 months later...
slefob New Member

slefob

Posted
Posted

Hi All, I've just purchased a used 2016 Sierra and immediately noticed this incredibly irritating chirp noise. Its akin to the chrip a digital timex watch makes when being set. Seems to originate from the Transfer Case Control Module as many others have posted before me. The best link for the information on PIP5261B I have found is here:

 

https://gm.oemdtc.com/7492/pip5261b-faint-high-pitched-whine-noise-in-auto-4-wheel-drive-2014-2017-chevrolet-gmc-cadillac#more-7492]

 

if it is not on warranty you can research if this part (link below) will solve the issue, I do not know if it will but its listed in the link above.

 

https://www.amazon.com/Genuine-12590220-Transfer-Control-Module/dp/B00GUH8WNY/ref=sr_1_1?ie=UTF8&qid=1520370396&sr=8-1&keywords=B00GUH8WNY&dpID=41N8eOvWIKL&preST=_SX300_QL70_&dpSrc=srch

 

Hope this helps all those like me who are still coming across this issue. I will be trying to get the dealer to replace mine under warranty.

 

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