Toyota Tundra Service Manual > Navigation System: LVDS Signal Malfunction (from Extension Module) (B1532,B156C)
DESCRIPTION DTC Code DTC Detection Condition Trouble Area B1532 When either condition below is met: Video signal (digital) is lost. The stereo component tuner assembly is not connected while the ignition switch is ON or ACC. Communication between the navigation receiver assembly and the stereo compo ...
