Train encountered power fault at Front M1 car while arriving station. Reset at JKN- ok. Fault recurr ed departing at Front M1, unable to reset at PNR1, BNL1. TC reported train jerky when departing, powering ok. ERS-15 ~~~~~ Check and confirmed 1546 having power fault - FC820,821,108,136 Perform meggar test and found 1546 TM#4 shorted to ground PRCB isolated and tagged. N2458994 raised N.A/lai mk/mutalib/03.02.23