Slow pickup. No power fault. TC did brake status check at BNL EB - ok. Train departed BNL EB at 3kph . ~~~~~ 1607 TC informed slow pickup departing all stations. Level 3 TC informed no fault indication. 607/608 Train could only achieve 35kph after departing. STBS operated. L3 607/608 found no FC. ER showed #1607 BCP1 @0.11 bar & BCP2 @0.3 bar. Train speed unable to surpass 10 kph. BRER energisation delayed. LDC log found no abnormalities. Found #1607 BCP1 & BCP2 transducers faulty. Faulty BCP reading due to BCU causing BU R unable to open contact. Replaced #1607 BCP1 & BCP2 transducers. BCP checked - OK. M/L test - Passed.  Lee JC 44792