DTC Descriptor
WARNING: This page is about a different car, the 2017 GMC Canyon and 2017 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
- DTC B12A4 39
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Infotainment Faceplate Control Module A Internal Electronic Failure
- DTC B12A4 45
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Infotainment Faceplate Control Module A Build Variant not Programmed