2015 Prius bluetooth turns off

I'm having similar problem,. just started happening on my 2013 Gen III prius

 

my problems turns out to be due to a mouse's nest being found near the fan blower..likely the rodent has chewed through wiring.

 

I am having the same problem. Worked fine for a year and then a couple of months ago this same thing started happening. Once it drops and the car shows bluetooth off, I can't reconnect my phone without turning the car off. I have tried to open entune before starting the car to make sure the app is running but it doesn't make a difference. It seems like mine disconnects after I start driving and go above a 25 or 30 mph.

 

We had another thread discussing this. Bluetooth Problems with Galaxy S4 | PriusChat
It seems to affect Verizon Samsung Galaxy phones that have the lollipop android update. Is that your situation? As you can see on the previous thread, I had Best Buy reflash the update and that helped temporarily but the problem has recurred. Hopefully Verizon is working on a fix.

 

I stumbled upon this mysterious " Prius bluetooth off" issue today and this solved the problem right away.
( 2012. Prius Plug-in
Samsung Galaxy Note 8 )

The solution comes from SID000.
She found it at an android forum.

Bluetooth
Paired devices
Settings
Disable text

Thanks for helping each other.

 

We have a 2015 plugin, "disable text" is not one of the options.

And we still have the problem.

 

I have a 2015 Prius also and my bluetooth was shutting off 100% of the time as well. I deleted the pairing and paired it again as a new device. During the process, one of the option was to allow for "Text/Message" access. I made sure this time to select NO. I have to say after 4 months with this bluetooth challenge, this problem has finally solved for me and I have been content for 2 month now. I hope this helps others.