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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 >> Power Seat Malfunction (Driver or Passenger Seat Sedan without Memory 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. Verify the appropriate driver or passenger seat directional motors listed below operate while operating the seat switches in both directions.
    • M51 Seat Horizontal Motor
    • M50 Seat Front Vertical Motor (with 8-way seat)
    • M55 Seat Rear Vertical Motor (with 8-way seat)
    • M57 Seat Vertical Motor (with 6-way seat)
    • M56 Seat Recline Motor
    • If all seat motors do not operate 

      Refer to Circuit/System Testing - Seat Adjuster Switch Circuit Test.

    • If 1 or more seat motors operate but not all 

      Refer to Circuit/System Testing - Seat Motor Circuit Test.

    • If all seat motors operate 
  2. All OK.
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