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Home >> Cadillac >> 2019 >> CTS Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 123 (Cellular System, Entertainment System, And Navigation System - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC B1446 or B1447 (UI3) >> DTC Descriptors
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DTC Descriptors

WARNING: This page is about a different car, the 2018 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
DTC B1446

Replace Backup Power Source Below Minimum Threshold

DTC B1447

Backup Power Source Open or Short to Ground

For symptom byte information refer to Symptom Byte List