The Climate Control Display Is Inoperative (With Climate Control)

The climate control display is inoperative

Probable cause: Communication problem between the climate control unit and the Audio-HVAC subdisplay unit (with navigation) or the Audio-HVAC display unit (without navigation)
Do the audio communication line circuit troubleshooting; with navigation Audio Communication Line Circuit Troubleshooting (With Navigation), without navigation Audio Communication Line Circuit Troubleshooting (Without Navigation)

Also check for

Climate control DTCs How to Troubleshoot the Climate Control System

Also check for

Audio-HVAC subdisplay unit or audio-HVAC display unit failure

Also check for

Poor or loose connections at the terminals