It should not hurt anything to turn it off. Just turn it back on after. Windows may also have a built in firewall. Disabling them to see if forscan works isn’t a problem.
You can do whatever you please but it’s irrelevant not being a gen 14. 2019 has half the electronics of gen 14. I have a 65 battery is fine. Does it represent this forum no. My 22 is on 3rd battery.
It’s been doing that all along you just never noticed. That’s how this tranny works learns your driving habits and adjust to that.
It’s not a cold weather issue.