DTC 01-DD Master Reset; DTC 01-E1 Voice Processing Device ON Error: Description

DTC DETECTION CONDITION CHART

DTC Code	DTC Detection Condition	Trouble Area
01-DD	The device that should be the master has been disconnected after the engine starts.	Display and Navigation assembly power source circuit (w/ Navigation System) Multi-display power source circuit (w/o Navigation System) AVC-LAN circuit between multi-display and component which has stored this code Display and navigation module display (w/ Navigation System) Multi-display assembly (w/o Navigation System) Component which has stored this code
01-E1*1	The amplifier device records that the amplifier output does not function even while the source device is operating.

HINT:

*: Even if no fault is present, this trouble code may be stored depending on the battery condition or engine start voltage.

NOTE:

Before starting troubleshooting, be sure to clear DTCs to clear codes stored due to the reasons described in the Hint above. Then, check for DTCs and troubleshoot according to the output DTCs.
The multi-display or display and navigation module display is the master unit.
Be sure to clear and recheck for DTCs after the inspection is completed to confirm that no DTCs are output.