pypilot sync but no connection when engaged

[seandepagnier]

it sounds like pypilot itself is throwing an exception.

Could you make sure pypilot is not running eg: killall python
You could check the output log using journalctl, but easier to run pypilot from the command line:

cd pypilot/pypilot
python autopilot.py

Once it is running, try to engage and see what exception is thrown.