Voice Commands Do Not Work (With Navigation System) (With Climate Control)

Voice commands do not work (with navigation system)

Probable cause: Communication problem between the climate control unit and the navigation system

Do the Navigation Communication Line Circuit Troubleshooting Navigation Communication Line Circuit Troubleshooting (With Climate Control)

Also check for

HVAC DTCs How To Troubleshoot The Climate Control System

Also check for

Navi System Link

Also check for

Poor or loose connections at the terminals