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Home >> Buick >> 2016 >> Cascada Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B1025, B1035, B1045 or B1055: Left/Right Front/Rear Audio Output Circuit >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2016 Chevrolet Malibu Limited. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, A11 Radio ON, mute OFF.
  2. Verify clear audio is heard from each speaker, adjusting fade and balance controls to test each speaker individually.
    • If audio is inoperative from one or more speakers or the audio emitted is not clear. 

      Refer to Circuit/System Testing.

    • If clear audio is heard from all speakers. 
  3. All OK.