The Climate Control Display Is Inoperative

The climate control display is inoperative

Probable cause: Communication problem between the climate control unit and the audio-HVAC display unit (without navigation) or the audio-navigation switch panel (with navigation)

Do the audio communication line circuit troubleshooting Audio Communication Line Circuit Troubleshooting

Also check for

Climate control DTCs Initial Inspection and Diagnostic Overview

Also check for

Audio-HVAC display failure

Also check for

Poor or loose connections at the terminals