LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2017 >> XTS Base >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> 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
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Reference Information

Schematic Reference

OnStar/Telematics Schematics 

Connector End View Reference

COMPONENT CONNECTOR END VIEWS - INDEX

Description and Operation

OnStar Description and Operation 

Electrical Information Reference