The Climate Control Display is Inoperative

The climate control display is inoperative

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

Do the HVAC communication line circuit troubleshooting; with navigation HVAC Communication Line Circuit Troubleshooting (With Navigation), without navigation HVAC Communication Line Circuit Troubleshooting (Without Navigation)

Also check for

Climate control DTCs Initial Inspection and Diagnostic Overview

Also check for

HVAC display failure

Also check for

Poor or loose connections at the terminals