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Home >> Cadillac >> 2016 >> CTS Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> 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 >> Repair Instructions
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Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair.