Genuine OEM Volkswagen Control Unit, part number 04L906056TH. This control unit is essential for managing the complex operations of a diesel engine, optimizing performance, fuel efficiency, and emissions control. It is typically located within the engine bay or under the dashboard. The unit weighs 0.749 kg and has dimensions of 0.185m x 0.182m x 0.04m. Genuine OEM electronic control modules are critical for ensuring the correct firmware, sensor calibration, and overall system compatibility, guaranteeing reliable engine operation.