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Home >> GMC >> 2016 >> Canyon SL >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Diagnostic Information and Procedures >> DTC B3031: Security Controller In Learn Mode >> Circuit/System Verification
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Circuit/System Verification

  1. Verify the scan tool Immobilizer data displays two or more keys learned to the vehicle.
    • If not 

      Add one additional key

    • If two or more keys are learned to the vehicle 
  2. Perform the Replacing Keys procedure. Refer to Replacing Keys .
  3. Verify the K9 Body Control Module learns the vehicle key and exits the learn coded key state. The scan tool Master Keys Learned parameter should increment to 1.
    • If the K9 Body Control Module does not exit the learn coded key state after the programming attempt 

      Replace the K9 Body Control Module

    • If the K9 Body Control Module exits the learn coded key state after the programming attempt 
  4. All OK.
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