I was given a solution that fhas worked for my Galaxy S9 and 2019 Equinox.    1. Uninstall Android Auto. 2. in Blutoot settings go to "Advanced" (Or the 3 verticle dots) nad turn off ringtone sync. 3. in the Equinox, in settings/vehicle/phone remove all instance of your phone. 4. reinstall Android Auto 5. plug phone into the USB port and follow instructions.   This was given to me by GM and it has worked great. below is some contact info if needed.  855-250-5600 nfotainment@gm.com   ... View more

After talking to Chevy, AT&T and now Samsung I may have a solution. At least for me. After trying a few things today Samsung wanted me to do a factory reset. I had already done one 2 days ago but to appease them I did. But this time I didn't restore anything to my phone. It seamed to fix the issue with my S9 and 2019 Equinox. I guess now it's just a matter of finding the culprit? So probably not a solution after all   ... View more

I have the same issue. Have been working with Chevy, AT&T, and now Samsung. It appears it has something to do with the latest update in January. ... View more