Genuine OEM Volkswagen Electronic Control Unit, part number 09G927750GT. This unit is responsible for managing the functions of the 6-speed automatic transmission, ensuring smooth gear changes and optimal performance. It is typically located within the transmission assembly. The unit weighs approximately 0.329 kg and has dimensions of 0.16m x 0.156m x 0.038m. Genuine OEM electronic control units are critical for ensuring the correct firmware, calibration, and sensor integration necessary for reliable transmission operation.