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Home >> GMC >> 2021 >> Terrain SLT, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Cellular, Entertainment, And Navigation System >> Diagnostic Information and Procedures >> Voice Recognition Malfunction >> Circuit/System Description

Circuit/System Description

For an overview of the component/system, refer to: Radio/Audio System Description and Operation (IOS/IOT/IOU) , or Radio/Audio System Description and Operation (IOR) 

Circuit Description
Voice Recognition Audio Signal The control module input circuit has an internal resistance connected to ground.
Voice Recognition Audio [ - ] Control Grounded through the control module.
Component Description
A11 Radio The radio is used for entertainment and may contain other functions like navigation.