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Circuit/System Verification

WARNING: This page is about a different car, the 2018 Buick Envision. 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 K61 Sunroof Control Module. Refer to Sunroof/Sunshade 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 K61 Sunroof Control Module.
      • Go to next step: If DTC B3697 42 or DTC B3697 4B does not set
    3. All OK.
    • Go to next step: 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 K61 Sunroof Control Module.
    • Go to next step: If DTC B3697 00 or DTC B3697 39 is not set
  4. All OK.
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