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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 98 (Driver Assistance Systems) >> Diagnostic Information and Procedures >> DTC B0987 (UGN) >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On / Vehicle - In Service Mode
  2. Verify DTC B356A is not set.
    • Go to next step: If the DTC is not 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 Circuit/System Testing.

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