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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 237 (Sunroof System) >> Diagnostic Information and Procedures >> DTC B3697: Sunroof Actuator Malfunction >> 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 DTC B3697 42 or DTC B3697 4B is not set.
    • If DTC B3697 42 or DTC B3697 4B is set 
    1. Calibrate the M69 Sunroof Motor. Refer to Sunroof Window Motor Initialization .
    2. Verify DTC B3697 42 or DTC B3697 4B does not set while operating the sunroof.
      • If DTC B3697 42 or DTC B3697 4B sets 

        Replace the M69 Sunroof Motor.

      • If DTC B3697 42 or DTC B3697 4B does not set 
    3. All OK.
    • If DTC B3697 42 or DTC B3697 4B is not set 
  3. Verify DTC B3697 00 or DTC B3697 39 is not set
    • If DTC B3697 00 or DTC B3697 39 is set 

      Replace the M69 Sunroof Motor.

    • If DTC B3697 00 or DTC B3697 39 is not set 
  4. All OK.
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