DTC B2525 Illumination Error: General Description
DDM is a node of CAN communication system which consists of IPM, FAM, RAM, ADM, IMS. Main function of DDM is lock/unlock of door and window, adjusting position and fold/unfold of outsidemirror. Beside that, for the convenience of driver in dark area, DDM controls all sorts of switch illumination (outside mirror s/w, front powerseat s/w etc.) and doorlamp.