Went to nizzpro performance they had a second hand hicas computer, put it in all good no more hicas light when I'm driving anymore, did diagnostics after instilation and still getting a code from the hicas light, instead of being 4 1 sec interval flashes 3 long 2 quick and one extra long it's now - 4 1 sec interval flashes 1 long 4 1 sec interval flashes and one extra long???