U3000-98: Control Module - Component or system over temperature: Action

Check that the digital radio control module cooling vents/air circulation are not obstructed. Cool the vehicle interior down by ensuring it is in the shade and have the air conditioning on cool. Using the manufacturer approved diagnostic system, clear the DTCs and retest
Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, install a new digital radio control module