Does the audio from your speaker system cut out on one side? If you stomp on the passenger footrest, does it temporarily fix the problem? If so, you probably have a faulty Bluetooth Switcher Kit.
 
Direct replacement for OEM part# 7G43-37-11054.
 
Additional Info
この商品は横浜のレッドパンツに在庫がございます。 世界中に発送可能です。
This product is kept in stock at Redpants in Yokohama. It can be shipped worldwide.