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Home >> Buick >> 2019 >> Envision Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B12A7 >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different car, the 2018 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.
DTC B12A7 39

Optical Media Drive Internal Electronic Failure

DTC B12A7 45

Optical Media Drive Build Variant not Programmed

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