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Circuit/System Verification

WARNING: This page is about a different car, the 2020 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

DTC B19EC 92 or DTC B19ED 92

  1. Ignition ON/Vehicle in Service Mode.
  2. Verify DTC B19EC 92 is not set
    • If DTC B19EC 92 is set, replace the K61 Sunroof Control Module.
    • Go to next step: If DTC B19EC 92 is not set
  3. All OK.

DTC B19EC 92

  1. Ignition ON/Vehicle in Service Mode.
  2. Calibrate the K61 Sunroof Control Module. Refer to K61 Sunroof Control Module: Programming and Setup .
  3. Operate the sunroof and Sunroof.
  4. Verify DTC B19EC 92 is not set.
    • If DTC B19EC 92 is set 
    1. Replace the K61 Sunroof Control Module.
    2. Operate the sunroof.
    3. Verify DTC B19EC 92 is not set.
      • If DTC B19EC 92 is set, replace the K61 Sunroof Control Module.
      • Go to next step: If DTC B19EC 92 is not set.
    4. All OK.
    • Go to next step: If DTC B19EC 92 is not set 
  5. All OK.
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