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Home >> Hyundai >> 2019 >> Elantra Value Edition >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Cluster Module Diagnosis >> DTC B1040-55: LKAS/LDWS Present Error - Coding Code Error >> DTC Inspection >> Monitoring DTC Status
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Monitoring DTC Status

  1. Connect GDS to "DATA LINK CONNECTOR (DLC)".
  2. IG key "ON", Engine "OFF".
  3. Select "Diagnostic Trouble Codes (DTC)"  with GDS.
  4. Monitor the diagnostic trouble code and present of the trouble code.
  5. Erase the DTC and operate the vehicle within DTC Enable conditions in General information.
    G12972247Courtesy of HYUNDAI MOTOR AMERICA
  6. Is the DTC displayed again?

    YES 

    NO 

    • Fault is intermittent caused by poor contact in LKAS ("LANE KEEPING ASSIST CONTROL MODULE")'s connector or CLU memory was not cleared after repair.

      → Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.

      → Repair or replace as necessary, go to "VERIFICATION OF VEHICLE REPAIR " procedure.