1516 : BCU BCP Fault. To check & rectify ~~~~~ 1516 : BCU BCP Fault.  1516 ER D/L. Found #1516 brake pressure at EM brake pressure during COAST. Replaced ACU at #1516. Function test & brake pressure test - OK. #1516 ACU S/N : OLD : 1012-015 NEW : 1012-011  Chan GF 44169