Q: Bluetooth Audio issue with Ford Sync after iOS 9.3.1

Hello Shifter_90,

I understand that you are having issues with your iPhone 6s and playing music through bluetooth to your car. Let's see if we can get that sorted out. 

Now I know that you have done pretty much all of this, but go over the troubleshooting outlined below to get it working again. You might even need to contact Apple Support for further assistance. 
 

If you're using Bluetooth

1. Check your car stereo's user manual for steps about pairing with a Bluetooth device.
2. On your iOS device, swipe up to open Control Center, then taptwice to turn Bluetooth off and back on.
3. Restart your iOS device.
4. On your iOS device, unpair your car stereo. On your car's display, unpair your iOS device and any other devices. Restart your car and your iOS device, then pair and connect again.
5. Update your iOS device.
6. Install any firmware updates for your car stereo.
7. If you still can't connect, contact Apple Support.

Get help connecting your iPhone, iPad, or iPod touch with your car stereo
https://support.apple.com/en-us/HT203412 

Take care