Renault premium fault codes HELP

Hi Guys.Could do with some help with a problem.i have a Renault premium dxi 450 it has a problem which keeps making auto box jerk in and out of fear and puts warnings on dash.the codes I have are mid 140 psid 204 fmi 12 and mid 144 psid 204 fmi 9.I have got descriptions which say datalink fault.signal from abs module to ecu not there.basicley.is there any common places to check and which module might it be from.
Thanks in advance.