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Home >> Cadillac >> 2017 >> XTS Base >> Repair and Diagnosis (Single Page) >> 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 >> Diagnostic Fault Information
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Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Backup Battery B+ B1447 03 B1447 04 - -
Backup Battery Low Reference B1447 03 B1447 04 - -
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