TC reported 2551 Brake fault ~~~~~ TC reported 2551 car BCU emergency BCP fault. TC feedback train performance ok. BC pressure 0 bar when train is powering. Train was reformed with T254 and schedule withdrawal to BSD from AMK at 2002Hrs. CE unable to board  Fault unable to be duplicated in depot FC 328 and 329  BCU emergency BCP fault bogie 1 and 2 2551 ACU checked no leak. BCP at all cars in normal range. From ER,  no abnormalities in BCP at time of fault. Preventively changed out BCU at car 2551. New S/N: 1823190 Old S/N: 1826104 Notification: 2581139 Done by: Koh/Sanip/Rizman/Farhan 18.3.24