Having a similar issue with my Mach-e, also Ford. It will connect, play a portion of the song, then disconnect, reconnect, start playing a portion of a new song, disconnect, repeat. I found if I keep my phone unlocked and with the Pandora app open on my phone, it will display a crash message on the phone, but will play the whole current song before disconnecting in the car. My temp solution has been to clear the Pandora app's cache and then force close the app. Once it reconnects, it will then work for that session. This means I need to do that each time I turn on the vehicle. You referenced "SGL", but any chance it's SDL (Smart Device Link)? https://smartdevicelink.com/en/guides/android/frequently-asked-questions/sdl-notifications/
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