Train came to a stop while departing station with TIMS showing BCU fault. Fault self-cleared and tra in proceeded in AM to next station. ~~~~~ ER downloaded KSF2. Found 1547 FC 309. Replaced new BCU and set wheel diameter to 810mm. Function check found ACU no.3 solenoid valve air leak. Replaced new ACU. Function check ok. BCU event log downloaded S/N ACU: OLD: 1311/146. NEW: 1008/001. S/N BCU: OLD: 13-12-004. NEW: 1811091. N.ALai.M.k //14.06.20. ---------------------