TIMS showed BCU fault at car 3533. Trainperformance - ok. ~~~~~ TIMS: 3533 showed BCU fault. Train performance - ok. CE: 3533 No BCU fault found during monitoring.  3533 FC 322/323 wsp time 1/2 activated. Measure BCU impedance - OK. Swap BCU from #3534 to #3533 and replaced new BCU on #3534. Wheel diameter setting - Done. Brake cycle test ok. Brake able to release in COAST physically. No residual pressure in COAST. Limited movement and depot shunting - OK .ßßß BCU s/n after swapped : #3533 : 1833226 (faulty BCU : 1834248) #3534 : 1808028  Sarma/Alan/Lee PT/Kamarul/Anand 45470