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Home >> Buick >> 2016 >> Envision >> Repair and Diagnosis >> External Pages >> Different car >> Section 180 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B12A8: Optical Media Drive Theft Locked >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2016 Buick LaCrosse. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition On/Vehicle in Service Mode.
  2. Verify DTC B12A8 is not set.
    • If DTC B12A8 is set 

      Replace the A33 Media Disc Player.

    • If DTC B12A8 is not set 
  3. All OK.
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