LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2016 >> CTS Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Cellular System, Entertainment System And Navigation System >> Diagnostic Information and Procedures >> DTC B1025-B1135: Audio Output Circuit >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Verification

  1. Ignition ON, infotainment system 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.