Genuine OEM Audi Main Light Electronic Power Module, part number 4K0941592AD. This sophisticated electronic control unit is responsible for managing the power supply and various functions of the vehicle's main lighting system. It ensures correct operation of headlights, including features like adaptive lighting or intensity control. The module measures approximately 0.135 meters in length. Choosing a genuine OEM module guarantees correct firmware, precise sensor calibration, and seamless integration with the vehicle's electrical architecture, preventing diagnostic errors and ensuring reliable lighting performance.