TIMS showed FM1 car BCU fault. Train performance - OK. ~~~~~ CHECKED TIMS FC:331,330,312,308.REPLACED ACU SECURITY CHECK OK.FUNCTION CHECKED FOUND BCP WITHIN CRITERIA READING.PUT TO COAST BRAKE ABLE TO RELEASE.DEPOT SHUNTING OKSHAHRIE/ALBARADO/BUDIMAN 11/01/21 ACU S/N OLD:1038-060 NEW:1912-157 NOTIF:2237818