DT521/522 undershootSignal refer to RS for above DT522 for undershoot at timing 13.06.37 & 13.24.32 due to brake blending. Please take a look. Thanks ~~~~~ Checked and found BCU speed probe 2 and 3 fault on TIMS. Performed BCP check found SATIS. Raised NOTIF to SIG for speed probe check N.AHASZHAN/26.02.22 --------------