TIMS shows BCU fault. Brake status checkshowed rear M2 car. Fault self-recovered at BSH1. ERS-12 ~~~~~ TIMS shows BCU fault. Brake status check     #2554-Tims having code 308,330. Replaced BCP1 transmitted and perform brake function test-ok. Also change out Mod-#3 ACU to Mod-#4 and brake function test ok. ACU- New s/n: 1019/017  Old s/n: 1019/019 Not: 2168754 raise to RSW (ACU) Not: 2168757 raise to RSW (Transmitter) Done by Loong/Pravin. 12/06/20