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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 1 (Displays And Gauges) >> Diagnostic Information and Procedures >> Chime Malfunction >> Circuit/System Description

Circuit/System Description

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A11 Radio - Chime - Warning

The serial data circuits are used to exchange information between the control modules.

Audible notifications that would normally be sounded over the radio speakers are transmitted by the chime alarm control module in case no radio is installed.

For an overview of the component/system, refer to: Audible Warnings Description and Operation 

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