DTC    U0122    Lost Communication with Vehicle Dynamics Control Module

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK DTC OUTPUT

CHECK HARNESS AND CONNECTOR (DRIVING SUPPORT ECU - MILLIMETER WAVE RADAR SENSOR)

CHECK CAN COMMUNICATION SYSTEM

CHECK MILLIMETER WAVE RADAR SENSOR (IGB VOLTAGE)

CHECK MILLIMETER WAVE RADAR SENSOR (SGND CIRCUIT)

CHECK DRIVING SUPPORT ECU (LRRD OUTPUT VOLTAGE)

REPLACE MILLIMETER WAVE RADAR SENSOR

CHECK DTC OUTPUT