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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Cellular, Entertainment, And Navigation - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC B1A99 or B1A9A >> Action Taken When the DTC Sets

Action Taken When the DTC Sets

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The amplifier mutes the output channel and no sound is present from the speaker(s) that have a current circuit fault.