Circuit/System Verification
WARNING: This page is about a different car, the 2018 Chevrolet Bolt EV. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition - On/Vehicle - In Service Mode
- Perform a test call with OnStar and verify the OnStar advisor can clearly hear you.
- If the OnStar advisor cannot clearly hear you
Refer to: OnStar Microphone Malfunction
- Go to next step: If the OnStar advisor can clearly hear you
- If the OnStar advisor cannot clearly hear you
- Clearly speak an available voice recognition command.
- If the component does not work as specified
- Clearly speak a different voice recognition command.
- If the component does not work as specified
Replace the component: K73 Telematics Communication Interface Control Module
- Go to next step: If the component works as specified
- If the component does not work as specified
- All OK.