Method for controlling an automated step-by-step variable speed transmission

A method for controlling an automated multi-step variable-speed transmission which, within a drivetrain of a motor vehicle, is connected to a drive engine, on an input side via at least one controllable friction clutch, and to wheels of a driven axle, on an output side axle via an axle drive, such that when the vehicle is at rest, the drive engine is running and the drivetrain is disengaged, rolling of the motor vehicle is either prevented or at least restricted by a shift operation in the multi-step variable-speed transmission, the method comprising the steps of:

• activating a safety function, when the multi-step variable-speed transmission is in a neutral position (Gi=N);
• detecting, with sensors, actuation of a shift operation element, an accelerator pedal and a brake pedal and a current rolling speed;
• and
• disengaging the friction clutch (xK=0), engaging a starting gear (Gi=GAnf) and engaging the friction clutch (xK=1) when the shift operation element, the accelerator pedal and the brake pedal are not actuated (shift operation element xSBE=0, accelerator pedal xFP=0, brake pedal xBP=0), if a predetermined speed limit is exceeded (vRoll>vGr).