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Home >> Buick >> 2013 >> Regal GS, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 152 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B1446 or B1447 >> DTC Descriptors

DTC Descriptors

WARNING: This page is about a different car, the 2012 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
DTC B1446 03

Replace Backup Power Source Voltage Below Threshold

DTC B1447 04

Backup Power Source Open Circuit

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