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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 272 (Power Seat System) >> Diagnostic Information and Procedures >> Lumbar Support Malfunction (Driver Seat Coupe with AQ9 without A45) >> Circuit/System Verification

Circuit/System Verification

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.
  1. Ignition ON.
  2. Verify that no power seat DTCs are set.
    • If no power seat DTCs are set 
  3. Verify that all power seat functions operate when being controlled by the S64D Seat Adjuster Switch - Driver.
    • If all power seat functions operate 
  4. Refer to Circuit/System Testing.