When the problem is the automatic exchange boxes, the diagnosis without being ahy to see it is usually very complicated, now if they already repaired it and it does not stay well you have the warranty so that they repair it again at no cost, now the module can be one of the failures but it should be made a cheko of all the components of the valve body, brake symptoms, filter Even to take to the experts in boxes and not to any mechanic, since they are not very easy to repair and usually do not find the failures until they change everything, the cable has nothing to do only connect the OVER and now.