Some people are afraid of CanBus. But there’s little to fear in my opinion. I have used this method to setup many many ESC’s and never have had a Can chip failure.
Important Notes:
If canbus is connected, always power both ESCS together
If you run Canbus, ensure your power wires are taped, or solid connections and that they will never come apart from vibrations.
Enjoy 12 minutes of the most boring s*** on the planet.
The only reason why people are afraid to use the CANbus connection is because of possible ground loop or short. Correctly designed circuits never have this issue.