Yes, it is so, but in this case we need to override the flightmodel steering, using the ../override_wheel_steer dataref (set to 1, as default is =0). It works for you because your aircraft model sets this dataref to 1 on XP-plane start I think.
We plan to implement the custom SimVim function for this (tiller) input.
But why don't use it as you do it now? Is your plane has the tiller really?