Method/system for controlling a hybrid vehicle drivetrain

The present invention relates to method and a system in a vehicle comprising a drivetrain (1), comprising a drive unit, a transmission, and an electric machine. The method comprises the steps of receiving at least one signal from an accelerator control device, determining a requested torque of the drivetrain (1), determining (152, 252) an available torque of the electric machine ( T ISGav ), determining (154, 253) an available torque of the drivetrain (1), at least partly based on the available torque of the electric machine ( T ISGav ), and adjusting (110, 210) a gear shift schedule based on the requested torque and the available torque.