I logged in to FDRS today while I was diagnosing a faulty parking sensor, and saw these updates ready to push. I installed IPMA, PSCM, and CMR updates (plus OCSM and OBCC that I believe are unrelated), which took close to 4 hours total. I took the truck out for a test drive on my typical work...
I had this issue with my phone when I was on wired CarPlay in my ‘17 GMC truck and wireless CarPlay in my wife’s ‘18 BMW…so I realized it had to be my phone. Similar symptoms between both cars. It ended up being location services being enabled for Amazon Alexa (the phone app, not the truck app)...