EB trip departing station when train encountered BCU fault at rear M2 car. Fault self cleared and TCreset EB to proceed to next station in AM mode. ~~~~~ CAR: #2520 BCU FAULT. ACTION: CHECKED TIMS, FAULT CODE: 308,331,330,312,314. REPLACED ACU, SECURITY CHECKED, OK. PERFOMED BRAKE STATUS CHECKED, OK. WITHIN CRITERIA. BRAKE RELEASE IN SYNC WITH THE REST OF THE CAR. NO BRAKE FAULT OCCURRED. PERFORMED PARKING BRAKE CHECKED, OK. TEST CHECKED DONE ON BOTH DT CAB SIDE. NOTIF TO RSW: 2171018. ACU S/N: OLD: 1042073. NEW: 1037-051. SHAFIAN/ALBARADO/BUDIMAN,18/06/20.