BCU fault at rear M1 car when train entering station since SBW2. Fault self cleared when train depar ting station. ~~~~~ #1544 Fault code - 308, 331, 330. Swap #1544 to #1543. Further check #1543 Tims showed BCU fault. Replaced #1543 BCU. Function check ok. Tims showed no fault. Wheel diameter setting ok. BCU-Old s/n: 1650180  New s/n: 834236. Done by Samsudin/Gopal/Khalid. 31/08/20.