July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
DTC 63-78 DSP Error: Description
WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION CONDITION CHART
DTC Code
DTC Detection Condition
Trouble Area
63-78
An error occurs during the decode process (MP3/WMA)