1654 Stuck Brake after Aux On. ~~~~~ 1654 Stuck Brake after Aux On.  1654 FC 308/330/331/312/314. BCP at B3 when DMS at coast. Swop #2654 ACU to #1654. Replaced with new ACU on car #2654. Brake cyclic test ok. #2654 ACU S/N : OLD : 1528-126 NEW : 1539-178  Aliff/Redzwan/Chan SW 45404