No you are not the only one. This has been discussed in a several threads already. Search is your best friend. Otherwise you will hear a even higher pitched noise/yelling from other members or moderators ask you to do a search before open a new thread soon!
Cabin noise
Whine/Noise/High Pitch Arg!
Ecu high frequency noise
High Pitch Noise Hurting My Ears
High-Pitched Frequency Update