July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
DTC 63-47 High Temperature: Description
WARNING: This page is about a different car, the 2007 Toyota Camry Solara. 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
63-47
Sensor detects that CD unit temperature is high (Over 80°C(176°F)).