Home >> Subaru >> 2017 >> Outback 2.5i >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (P2101 To U1712) (H4DO) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC U0284: Lost Communication With Active Grille Shutter Module "A" >> Execution Condition