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Home >> Cadillac >> 2018 >> CT6 Plug-In >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Driver Assistance Systems >> Diagnostic Information and Procedures >> Lane Keep Assist System Malfunction >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition - On/Vehicle - In Service Mode
  2. Verify that no DTCs are set.
    • Go to next step: If no DTC is set
  3. Verify the component turns On and Off: Lane Departure Warning Indicator

    - Lane Departure Warning Switch

    • If the component does not turn On and Off

      Refer to: DTC B0987 

    • Go to next step: If the component turns On and Off
  4. All OK.
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