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 HVAC subdisplay unit (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 unit or audio-HVAC subdisplay unit failure
Also check for
Poor or loose connections at the terminals