how can i fix daf cf 85 zf as tronic gearbox?

the truck is giving the following problem:-
as soon as the automatic mode is engaged the gear starts from 4 to 7 to 12 instead of 123.....
on manual mode the gear get properly arranged.
tried to change clutch plate but no outcome then changed clutch servo but still no good outcome.
please help as the truck is now on manual mode.