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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 B12A4 >> 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 B12A4 39

Infotainment Faceplate Control Module A Internal Electronic Failure

DTC B12A4 45

Infotainment Faceplate Control Module A Build Variant not Programmed

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