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Home >> Cadillac >> 2017 >> CTS V >> Repair and Diagnosis >> External Pages >> Different car >> Section 185 (Cellular System, Entertainment System And Navigation System) >> Diagnostic Information and Procedures >> DTC B1446 or B1447: Replace Backup Power Source Below Minimum Threshold, Backup Power Source Open Circuit >> Reference Information
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Reference Information

WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Schematic Reference

OnStar/Telematics Schematics 

Connector End View Reference

COMPONENT CONNECTOR END VIEWS - INDEX

Description and Operation

OnStar Description and Operation (with EF7 or Z49) OnStar Description and Operation (without EF7 or Z49) 

Electrical Information Reference

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