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Home >> Buick >> 2010 >> LaCrosse CXS >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Diagnostic Information and Procedures >> DTC B3031 >> Circuit/System Verification

Circuit/System Verification

  1. Verify the scan tool body control module Total Keys Learned parameter displays a learned key.
  2. Perform the Vehicle Key Relearn procedure. Refer to Replacing Keys (Erases All Existing Keys) .
    • If the Body Control Modules does not exit the learn coded key state after the programming attempt, replace the K9 Body Control Module.