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Home >> Buick >> 2017 >> Envision Base >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Cellular System, Entertainment System, And Navigation System >> Diagnostic Information and Procedures >> DTC B12A4: Infotainment Faceplate Control Module >> Conditions for Setting the DTC

Conditions for Setting the DTC

The radio receives an improper status response indicating an internal ECU fault in the radio controls.

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