http://www.sau.com.au/forums/topic/130685-blitz-access-ecu/
Quick google search revealed this from 9 years ago.
As Benny said. What's it tuned for?
Looks like it's a "remap" of god knows what. How does the ecu know what YOUR car wants/needs?
Ditch it, get a decent ecu and don't do things twice.