Noise from factory radio after shut off

Nebraska_Chevy · September 30, 2016

I have a 2009 GMC Sierra SLE with factory radio and no nav. I noticed this a couple of days ago and again today, after I shut the engine off and radio off and opened the driver's door, I noticed what sounds like a faint electric motor running from behind or within the radio. Kind of sounds like a CD disc spinning, but there is no disc in the unit. The only way I could get that to stop was to pull the fuse for the radio.

Anyone else have this issue? I'm concerned about what it may be and if it will drain my battery if left to run.

Thanks.

mproux · September 30, 2016

Sounds like a cooling fan for the radio itself. If it is, I'm not sure how long it'll run before shutting off. My guess is that it will run until it's cooled the radio to a predetermined point

Nebraska_Chevy · September 30, 2016

I didn't know the radios had cooling fans, interesting. Do you think this will remain an ongoing problem and is this fan a big draw on the battery?

anumber1 · September 30, 2016

It is a cooling fan and its not a problem.

The fan will shut off automatically or when the BCM goes into "sleep" mode after 20 mins.

Nebraska_Chevy · September 30, 2016

Okay, good to know. Thanks for the info. It's probably been happening for a long time and I just have never noticed it until now.

MikeP10 · September 30, 2016

anumber1 is correct. When I answered earlier I was at work and didn't have access to my shop manuals. Thanks for the assist. Everyone is usually pretty helpful.

Sent from my XT1254 using Tapatalk

GABYS · February 27, 2022

On 9/30/2016 at 10:57 AM, Nebraska_Chevy said:

I have a 2009 GMC Sierra SLE with factory radio and no nav. I noticed this a couple of days ago and again today, after I shut the engine off and radio off and opened the driver's door, I noticed what sounds like a faint electric motor running from behind or within the radio. Kind of sounds like a CD disc spinning, but there is no disc in the unit. The only way I could get that to stop was to pull the fuse for the radio.

Anyone else have this issue? I'm concerned about what it may be and if it will drain my battery if left to run.

Thanks.

I just got a 2011 GMC Sierra 2500 HD SLT with a Bose Entertainment system. When I shut the truck off and open the door there is still a spinning sound. Sounds like a cd player trying to find its place on a disc. There's a spinning sound and the movement sound of the laser. Does this Constantly and never goes off. Dvd player works fine. No issues that I can tell but I don't think it's a cooling fan. I don't know what else to really do besides pull fuse and put back in to see what it does.

dsr611 · March 4, 2022

On 2/26/2022 at 11:47 PM, GABYS said:

I just got a 2011 GMC Sierra 2500 HD SLT with a Bose Entertainment system. When I shut the truck off and open the door there is still a spinning sound. Sounds like a cd player trying to find its place on a disc. There's a spinning sound and the movement sound of the laser. Does this Constantly and never goes off. Dvd player works fine. No issues that I can tell but I don't think it's a cooling fan. I don't know what else to really do besides pull fuse and put back in to see what it does.