mcu2 audio

2015 Model S, upgraded to MCU2 with SXM/AM/FM receiver. Since the upgrade, my SXM/AM/FM crackles anytime I turn volume up or down, and also at random/sporadically when listening to music. Now it also started cutting out for 1-2 seconds randomly when using Bluetooth for music or phone call, as...

Background as to why I did this project: I own an October 2016 model S 90D. This was one of the first autopilot two cars made (which I paid for), ordered with the premium sound upgrade, and came with MCU 1. When I first took delivery of the car, I thought the sound system was excellent and much...