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Home >> GMC >> 2017 >> Terrain SL, Gas >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Cellular System, Entertainment System, And Navigation System >> Diagnostic Information and Procedures >> DTC U0255-U0257: Lost Communication with Info Display Module/Infotainment Faceplate Control Module >> Repair Instructions
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Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair.

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