The DSG 6-speed gearbox is installed in Audi A3, WV, Seat and Skoda automobiles
Here you can find more information on the following topics:
Most common problems with DSG 6 Speed gearbox
Most of the problems with the 6-speed DSG transmission are associated with the valve body – mechatronic. These problems are jolt when starting from stationary, pull while accelerating smoothly, hard gear shifting while accelerating or slowing down.
Metal Particles in the Gearbox
Update and Repair of the DSG ECU
Although rare, the 6-speed DSG gearbox has ECU problems. If in diagnostic mode it shows sporadic error or intermittent valve almost certainly there is a problem with the DSG ECU.