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Home >> GMC >> 2021 >> Terrain SLT, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Cellular, Entertainment, And Navigation System >> Diagnostic Information and Procedures >> Radio Information Display Malfunction (IOS/IOT/IOU) >> DTC Descriptor

DTC Descriptor

DTC B127E 00: Front Video Display Output Signal - General failure
DTC B127E 06: Front Video Display Output Signal - Short to ground or open

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