TC reported TIMS showed FDT car brake fault when train at platform. Fault self cleared. TC feedback train performance - ok TC reported TIMS showed FDT car brakefault when train at platform. Fault self cleared. TC feedba  ~~~~~ 3628 TC reported TIMS showed brake fault when train at platform. Fault self cleared. TC feedback train performance - ok.  3628 FC: 323 & 322 WSP timer 1/2.    ER showed WSS triggered 1x. Measure dump valve and techo - within criteria. Swapped BCU #3628 with #1628 and c/o #1628. Function test dump valve - ok. Brake cycling test - ok. Depot shunting no abnormailities. After Swapped BCU: 1628: 1513167 (new) 3628: 1505118 (from 1628) faulty: 1503106  Kamarul/Alan/Lee PT/Sugu/Anand/Sarma 45212