Genuine OEM Volkswagen Mechatronic Unit, part number 02E325025ASZ61. This unit is a critical component of the automatic transmission, responsible for controlling gear selection, clutch engagement, and hydraulic pressure. It is located within the transmission assembly. This mechatronic unit features specific software calibration for optimal performance. Genuine OEM parts are manufactured to exact specifications, ensuring proper integration and function within the transmission system, which is vital for smooth operation and durability.