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Home >> Chevrolet >> 2013 >> Sonic RS, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 509 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B1446 or B1447: Backup Power Source >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2014 Chevrolet Cruze. However, it is still accessible from the selected car via links, so may be relevant.

The backup power source provides voltage to the telematics communication interface control module, to be able to successfully place a call in the event of a main battery disconnect during a collision event.

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