Genuine OEM Volkswagen Electronic Control Unit, part number 09G927750FR. 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 0.302 kg and has dimensions of 0.155m x 0.155m x 0.037m. Genuine OEM electronic control units are critical for ensuring the correct firmware, calibration, and sensor integration necessary for reliable transmission operation.