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

DTC DETECTION CONDITION CHART

DTC No.	DTC Detection Condition	Trouble Area
01-DD *1	The device that should be the master has been disconnected after engine start.	Radio receiver power source circuit AVC-LAN circuit between the radio receiver and the component which has stored this code Radio receiver Component which has stored this code
01-E1 *2	The AMP device records that the AMP output does not function even while the source device operates.
HINT: 1: This code may be stored if the engine is started and the ignition switch is turned to START again. (Key type ignition switch only) 2: 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 the DTCs stored due to the reasons described in the HINT above. Then, check for DTCs and troubleshoot according to the output DTCs.
The radio receiver is the master unit.
Be sure to clear and recheck for the DTCs after the inspection is completed to confirm that no DTCs are output.