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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 199 (Bumpers And Fascias) >> Diagnostic Information and Procedures >> Active Grille Air Shutter 1 Malfunction >> Repair Instructions

Repair Instructions

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References for control module replacement, programming and setup.