1533 BCU fault. ~~~~~ 1533 BCU fault.  1533 ER D/L. Replaced ACU & function check - OK. All brake pressure within criteria. Brake cyclic test & no air leak found. Limited movement - OK. Unable to conduct depot shunting due power shutdown. #1533 ACU S/N : OLD : 1019/019 NEW : 1301/122  Sarma/Wong/Anand 44283