CIRCUIT ARRANGEMENT FOR CONTROLLING LIGHT SOURCES OF A VEHICLE LAMP AND VEHICLE LAMP

Vehicle lamp and its circuit arrangement for controlling light sources of a vehicle lamp, comprising:-a wire interface (1) connected to the vehicle data bus, i.e. the vehicle communication network allowing different electronic control units (ECUs) within the vehicle to exchange data,-a power supply,-light sources (3, 6, 8, 10), each controlled by a driver (2, 5, 7, 9) communicating with the vehicle via the data bus, providing main functions selected among: a low beam, a high beam, daytime running lights/position lights, front turn indicators,-a LED matrix manager (4) connected to the data bus.The LED matrix manager (4) manages at least one of the drivers and this driver managed by the LED matrix manager is connected to the data bus only via the LED matrix manager.