[SnakeCharmer]

You only hear it when the radio is turned on?

 

[choboness]

You only hear it when the radio is turned on?

no even when off

 

[Traylaw]

Can you tell if it's coming from the speakers?

 

[SnakeCharmer]

no even when off

Could be electronic interference. A fairly common issue in sound systems.

 

[marty1]

Have you made any changes to the sound system, like changed or added a woofer? If so the Active Noise Cancellation (ANC) can cause the speakers to buzz. Note that the ANC works even when the sound system is turned off. Perhaps the ANC is faulty.

"...all CR-V models now come with Honda's Active Noise Cancellation (ANC) system. This uses a pair of microphones placed in the cabin to pick up low-frequency engine noise, which it then cancels out with signals played in antiphase on the stereo."

Honda Information Center - Shared Technologies

www.hondainfocenter.com

As noted in various threads, you have to disconnect the ANC module to turn it off. Here's one thread:

How do I turn off the noise cancellation on CRV 2018?

We should be given an option to turn this off. Can Honda unplug physically for me?

www.crvownersclub.com

 

[airgas1998]

well..well...wel...well...someone finally I believe has checked in with a similar issue I have. (noted in a previous "buzzing" thread) had no idea the crv now comes with anc modules. i'll have to check this out...

 

[choboness]

no mods or anything, its not super loud but it is very distinct coming from the left side, i asked my friend on the passenger he cant hear any noise. anyhow i will have the dealer look and mention the anc, see what they say

 

[airgas1998]

oh man i see you just mentioned you hear it on the left side. i actually hear it somewhere around the glove box/dash area. actually right where the anc area per se...