Voice Commands Do Not Work (With Navigation)
Voice commands do not work
Diagnostic Procedure:
1. Probable cause: Communication problem between the climate control unit and the navigation system
2. Do the navigation communication line circuit troubleshooting Navigation Communication Line Circuit Troubleshooting (With Navigation)
Also check for:
- HVAC DTCs Initial Inspection and Diagnostic Overview
- Navi system
- Poor or loose connections at the terminals