TC reported brake fault indication illuminated for Rear M1 car when train doors opened at every stat ion. Fault cleared when train doors closed. Train performanc e is ok. Train was reformed with T224 and withdrawn as sched ~~~~~ TC reported brake fault indication illum     Check Tims #1676 FC-329/328/330/331.Further check found BCP slighly higher than other car 0.25bar from B1 to EM.Swap CP transmitter to #3676 BCP remain.Swap BCU to #3676 BCP high transfer.For preventive    measure c/o BCU.Brake function test and check BCP tally within other car. DT #3676 BCU- S/N: 1544289 #1676 BCU- Old s/n: 1817004 New s/n: 1544304 Not: 2461883 raise. Done by Koh/Rizman. 14/02/23