Valve control device (100) for a coolant circuit of a motor vehicle, said valve control device (100) comprising a first valve (120) having an assigned first functional element (125) comprising a first engagement unit (122), a second valve (150) having an assigned second functional element (155) comprising a second engagement unit (152), wherein the first valve (120) and the second valve (150) in terms of the switch position thereof are configured so as to be variable by rotating the respective assigned functional element (125, 155), a locking mechanism (200) comprising an entrainment installation ( ), wherein the locking mechanism (200) is configured so as to be able to be driven by means of a drive (300), wherein the locking mechanism (200) in a rotating movement, by means of the entrainment installation (210) engaging in the first engagement unit (122), is configured for transferring the first functional element (125) from a first switch position to a second switch position, and/or, by means of the entrainment installation (210) engaging in the second engagement unit (152), is configured for transferring the second functional element (155) from a first switch position to a second switch position, and wherein the engagement unit (122) of the first functional element (125) comprises a first number of engagement contours (123), and the engagement unit (152) of the second functional element (125) comprises a second number of engagement contours (153), wherein the first number differs from the second number.