ELM327 will work on a KA. Half decent ELM software that will give you Powertrain, airbag and ABS diagnostics and live data is made by Palmer. Have a google for Palmer Scan XL.

For Bi-directional control I use an Autoenginuity setup with enhanced Ford Licence. This gives you loads more control and actuation of ECU controlled parts as well. I have access to.

Powertrain
ABS
Airbag
PATS (timed access Key coding)
Central Timer module/ GEM
Dash clocks