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DTC 45-78 DSP Error: Description

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION CONDITION CHART

DTC No. DTC Detection Condition Trouble Area
45-78 An error occurs during the decode process (MP3 / WMA) Radio receiver
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