July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
DTC 45-78 DSP Error: Description
WARNING: This page is about a different car, the 2007 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
DTC TROUBLE DETECTION CONDITION CHART
DTC No.
DTC Detection Condition
Trouble Area
45-78
An error occurs during the decode process (MP3 / WMA).