TIMS showed BCU WST Time Out at car 3547intermittently. Fault occurred since ADM2. ~~~~~ T434 3548 (S) TIMS showed BCU WST Time Out at car 3547 intermittently. Fault occurred since ADM2. DBG SB  #3547 FC 322 BCU WSP 1 active BCU was changed out twice recently. Tacho gen 1 preventively change out. Further check FC 322 had been triggered for days, previous days with FC 325 BCU Speed Probe 2 Fault. Notification to S&C 2546961 to troubleshoot tacho gen 2. Tacho gen 1: New SN: 1032133 Old SN: 1034147 Done by: Nasir/Khalid 45260