My 2012 Honda CRV is making a loud continuous high pitched electronic squeal all the time whether the car is off or on and even when the battery is disconnected. The car runs fine, all accessories are working fine including the nav system, radio, key fob, and the anti-theft light is blinking properly.
Driving me crazy, please help.

 

You car is makes this noise 24/7? Record it for us.

 

I solved the issue

 

Care to tell us what it was?