TIMS showed BCU fault at car 2702 & car1702. Train performance - ok. ~~~~~ TIMS showed BCU fault at car 2702 & car     #1702 fault code 350,#2702 fault code 354.Conduct limited movement apply brake W/S/S appear at #1702,#2702 and observed bogie 2 BCP O bar for a few second then back to normal. #1702 speed sensor #3 swap #1701-#3 speed sensor #2702-#3 speed sensor swap to #1701-#3 speed sensor.Conduct limited apply brake fault transfer at #1701 and #2701.Replaced speed sensor #3 at #1701,#2701 and function test-Limited movement braking ok no W/S/S. #1701-#3 Speed sensor replaced: Old: 20031726482D02 New: 20131926302F01 Not: 2458278 raise. #2701-#3 Speed sensor replaced: Old: 20031726509D02 New: 20031726505D02    Not: 24582701 raise. Done by Zulq/Saini/Asruddin. 02/02/23