Lamp control module?

any one ever had this problem?my brake lights are stuck on,after changing switch twice there still on so i know its not that but after talkin to a tech he told me about module,i unplugged it and they would stay off for a minute but eventually come back on wow so drivn with brake lights on .all my lights work so anybody know about this?can i get it repaired?get a used one?tech said have to get knew cause it would mess with odomoter there 500 and another 150 to recode just stupid.