Apparatus and method for controlling vehicle functions

The device has signal inputs (86,9) for at least one brake actuation signal and a vehicle load signal and at least one signal output (15,25,35,45,55,65) for driving a brake actuator (11,21,31,41,51,61) according to the brake actuation signal. A further signal output (7) for a further control signal determined by processing received signals is provided for driving a further actuation arrangement (5,54,64) for raising and lowering a vehicle axle.