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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Vehicle Access System >> Diagnostic Information and Procedures >> DTC B1459 or B15EB >> Circuit/System Verification

Circuit/System Verification

  1. Ignition - On/Vehicle - In Service Mode
  2. Verify the scan tool parameter: Right Front Door Exterior Lock/Unlock Switch Status = Inactive
    • If not the specified state 

      Refer to: Circuit/System Testing

    • Go to next step: If the specified state 
  3. Operate the component: B27RF Front Side Door Outside Handle Switch - Right - Pressed

    Verify the scan tool parameter: Right Front Door Exterior Lock/Unlock Switch Status = Active

    • If not the specified state 

      Refer to: Circuit/System Testing

    • Go to next step: If the specified state 
  4. A fault is not currently present and may be an intermittent condition