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Home >> Pontiac >> 2005 >> G6 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 584 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B1025, B1035, B1045, or B1055 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2007 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.

Test the suspect speaker channel (after the amplifier) for a short to ground, short to voltage or an open.