[Elantra2005]

Hi , Yesterday I had long trip of driving and after coming home and before shutting the engine I heard like electronic noise from front left brake , I have no Idea what that was but I did not had any problems with the brakes while driving or what so ever.

Today i really was curious to know if the noise will be appear again, But not its just gone.
Any ideas ?

 

[MrElantra104]

The only electrical sound by brakes is your wheel speed sensors I think

 

[Elantra2005]

I also heard its something with ABS