[Petebartsch]

I found this on another forum. Apparently there is an software update the dealer can do address the issue with PAAK.
I just came back from rhe dealer. I had to show them the code. They did the update and seems to have fixed the issues. So far works great. Walk up tobthe car door opens no issue. Get in and starts right away.

Here is the info:
SSM 49730 - 2021 Mustang Mach-E - April 9, 2021 - Phone As A Key Concerns Of Bluetooth Disconnected, UnableTo Start, Backup Code Needed And/Or Key Not Detected

Some 2021 Mustang Mach-E vehicles may exhibit phone as a key concerns of Bluetooth disconnected, unable to start, backup code needed and/or key not detected. This may be due to the software configuration in the remote function actuator module (RFA). To correct the condition, reprogram the RFA module using the latest software level of the appropriate Ford diagnostic scan tool. For claiming, use causal part 14G617 and M-time.

END SSM

 

[Petebartsch]

I have given up on the phone as a key. It works very randomly. So now i just carry the key fob. I have an android phone with the same issues. Hopefully ford will fix it with a software update. If you can get in the car great than you cant start the car. Good thing you can use the passcode otherwise i would have been stuck on a couple of occasions.