LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 137 (Cellular System, Entertainment System, And Navigation System - Diagnostic Information And Procedures) >> Diagnostic Information And Procedures >> DTC B1025, B1035, B1045 Or B1055: Audio Output Circuits (Without UQA/UZ6) >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2018 GMC Terrain and 2018 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON/vehicle in Service Mode, 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.

    • Go to next step: If clear audio is heard from all speakers. 
  3. All OK.