Train came to a gradual stop in AM modedeparting station platform. TC feedback Master fault was lighted up with TIMS showing BCU fault at the rear M1 car. TC a ttempted to proceed in ATPM mode but to no avail. STBS was o ~~~~~ #1564 FC 308, 330, 331, 314, 312. ER download PTU 007. Normalise #3563 STBS, #1564 BIC, Brake cyclic test check ACU no abnormalities (with 750 and without 750vdc). ER show #1564 stuck brake, replace ACU and brake cyclic test ok. BCP within criteria. #3563-STBS reseal. BCU connector check ok, no sign of looseness. ACU- Old s/n: 1042-067. New s/n: 1302-130. Not: 2255459 raised. Done by Saini/Koh/Haslan/Haikel/Asruddin. 09/03/21.