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Monitor GDS Data

WARNING: This page is about a different car, the 2016 Hyundai Elantra GT and 2015 Hyundai Elantra GT. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON & Engine OFF.
  2. Connect GDS to Data Link Connector (DLC).
  3. Select "Diagnostic Trouble Codes (DTCs)" mode and monitor "DTC Status" parameter.
  4. Clear recorded DTC using GDS.
  5. Ignition switch OFF ↔ Ignition switch ON 2~3 times and Select "Diagnostic Trouble Codes (DTCs)" mode and monitor "DTC Status" parameter.
  6. Is the DTC present?

    YES 

    • PCM's ROM or DATA is changed by reprogram illegally.
    • Substitute with a known-good PCM and check for proper operation. If the problem is corrected, replace PCM and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Fault is intermittent caused by poor contact of PCM and DTC was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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