A process for increasing availability of automobile engines
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A method of operating a vehicle drive, in particular a hybrid drive, proposed in which in a first step at least one setpoint torque (120; 140, 142) is calculated. In a second step, the at least one setpoint torque (120; 140, 142) in at least one control variable (130; 158, 162) is converted for the motor vehicle drive. Furthermore, at least an actual torque (132; 168, 170) of the motor vehicle drive (actual torque) is determined, and a comparison is made between the at least one actual torque (132; 168, 170) and the at least one setpoint torque (120; 140, 142) is performed. Will be taking a a predetermined threshold deviation exceeding the at least one actual torque (132; 168, 170) of at least one setpoint torque (120; 140, 142) is determined, is switched to a Fehleransteuerbetrieb (138). Here, the at least one control variable (130; 158, 162) is replaced by at least one Ersatzansteuergrose.