The present invention relates to a shift lever assembly for controlling the transmission of a vehicle, said shift lever assembly (1) comprising a housing (2) comprising a detent track (290) having a number of seats, a shift lever (31) arranged to pivot about a first axis (α), located within said housing (2), along a first gate (73) between a number of positions corresponding to different modes of transmission, the positions of the shift lever (31) corresponding to one position each along said detent track (290), a sensor assembly (6) for detecting the position of the shift lever (31) in relation to said detent track (290), said sensor assembly (6) comprising a first member (63) connected to and jointly displaceable with said shift lever (31) along said first gate (73), and a second member (69) mounted on a carrier body (60), said first member (63) and said second member (69) being arranged to interact for detecting the position of the shift lever (31) in relation to said detent track (290), wherein said carrier body (60) is displaceable in at least one direction within said housing (2) in a first stage of assembly and is arranged to be fixed in said direction at a predetermined position in relation to said detent track (290) in a second stage of assembly.