I don't use these specific control commands in vs code. But I do use them on the terminal all the time.

How can I configure VSCode to send them to the terminal?

When press CTRL+E or CTRL+K, it says:

waiting for the second key of chord.

CTRL+A works in the terminal just fine, so I figured I'd either have to set something or unset something, but I've had zero luck in tracking that down.