ABS

Hi all not sure if this is where I need to put this but here we go. I have a 2008 x type 2.2D The abs light and orange lozenge has illuminated on the dash I have changed both front wheel bearings all 4 wheel sensors had the abs module tested all cables to the sensors test ok the battery was low but ok what have I mist or where can I look is it a rear bearing no noise the light came on well after wheel bearing were changed any help please I am at a los thanks Mick