SM(CBR) feedback while arranging for PWAY Staff cab ride on T206. the train number displayed on exte rnal of train was incorrect. TC stepped out and confirmed ex ternal train number display showing wrong train number. Disp ~~~~~ SM(CBR) feedback while arranging for PWA        #3512 Train no fault code (751,757) indicator fault.Found connector loose.Unplug and replug back ok.Conduct function test in manual ok.Auto in Tims train no 000,TN1 show '000' no fault occurred TN1 com. fault. Done by Haslan. 06/06/23