Chevrolet Forum - Chevy Enthusiasts Forums - 2012 Silverado

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Chevrolet Forum - Chevy Enthusiasts Forums (https://chevroletforum.com/forum/)

- Silverado & Fullsize Pick-ups (https://chevroletforum.com/forum/silverado-fullsize-pick-ups-21/)

- - 2012 Silverado - Radio High pitch constant ring (https://chevroletforum.com/forum/silverado-fullsize-pick-ups-21/2012-silverado-radio-high-pitch-constant-ring-49546/)

karlard

December 4th, 2017 2:44 PM

High pitch noise

Quote:

Originally Posted by bigdave (Post 212058)

I have a 2012 silverado crew cab . brand new off the lot on the way home at a stop light I picked up on a High decible noise, almost like one of those dog wistles. Very high pitched and peircing. I have tried for days to locate the source. It is coming from behind the dash. It is not a mechanical noise, malfunction, speaker noise, or anything like that. There is a sound!! so all these people telling you to get your ears checked are full of it! THERE IS AN ISSUE.

I have the same issue it’s driving me crazy does anybody know what causes this ?

Adam Huntington

December 4th, 2017 3:59 PM

USB Port caused high pitch noise.

Quote:

Originally Posted by karlard (Post 348669)

I have the same issue it’s driving me crazy does anybody know what causes this ?

Mine was a faulty USB port that gave off this sound only when my phone was plugged in. Replaced it and sound is gone.

majicgoats

December 5th, 2017 7:15 AM

The dealer replaced my whole radio unit and that cleared mine up.

Quote:

Originally Posted by karlard (Post 348669)

I have the same issue it’s driving me crazy does anybody know what causes this ?

rcmike

December 5th, 2017 9:52 PM

It was the radio unit on mine

Quote:

Originally Posted by karlard (Post 348669)

I have the same issue it’s driving me crazy does anybody know what causes this ?

I had the same issue on my 2013 Yukon. It was the radio unit. The high pitch would get louder if I turned up the dash display brightness and get lower if I turned down the brightness.

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