DTC B2331 Drive Door Unlock Actuator 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 outside mirror. Door lock actuator consists of motor and monitoring switch. According to Switch signal of DDM, Door lock actuator operates motor to lock/unlcok door and monitoring switch delivers result to DDM by voltage value.