Genuine OEM Volkswagen Airbag Control Unit, part number 6C0959655AN. This control unit is the central processing module for the vehicle's airbag system. It monitors various sensors to detect collision severity and initiates airbag deployment when necessary. It is typically mounted within the vehicle's cabin structure. Genuine OEM airbag control units are programmed with the correct firmware and calibration for reliable and safe operation of the entire safety system.