Genuine OEM Volkswagen Engine Control Unit, part number 03C906014HC602. This control unit is responsible for managing various engine parameters and functions. It is typically located within the engine bay or passenger compartment. The unit has dimensions of 0.18m x 0.095m x 0.04m and weighs 0.458 kg. Genuine OEM engine control units are critical for ensuring the correct firmware and sensor calibration, which is essential for the vehicle's performance and emissions compliance.