TC reported BCU fault at front M2 car. Fault self cleared. ~~~~~ 2648 TC reported BCU fault. Fault self cleared. PLS Download ER (request by OE).  2648 ER D/L - Done (Slot 20 : 01/04/20 from 06:52:47 to 07:51:30). Found abnormal BCP pressure on car 2648. OPS 20 raised to follow-up.  Chan SW/Hanafi 43923 2648 - To Replace ACU.  2648 replaced ACU - Done. Brake pressure test - OK. Limited movement - OK. 2648 ACU S/N : OLD : 1050-060 NEW : 1511-090  Selvan/Lee PT 43923