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Home >> Chevrolet >> 2019 >> Bolt EV Premier >> Repair and Diagnosis >> External Pages >> Different car >> Section 1 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B127E (MAH) >> Circuit/System Description

Circuit/System Description

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.

For an overview of the component/system, refer to: Radio/Audio System Description and Operation 

Circuit Description
Signal circuit terminal 11 The control module input circuit has an internal resistance connected to ground.
Signal circuit terminal 12 The control module input circuit has an internal resistance connected to ground.
Low-Voltage Differential Signaling Cable Audio and Video Module Cable
Component Description
A11 Radio The radio is used for entertainment and may contain other functions like navigation.
P17 Info Display Module The info display is the big screen in the center console.