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Home >> Hyundai >> 2015 >> Tucson GLS, 4WD >> Repair and Diagnosis >> Transmission >> Transfer Case >> 4WD Control System Diagnosis >> DTC U0123: WHL-SPD Error In Communication >> DTC Inspection >> Monitor GDS Data

Monitor GDS Data

  1. Connect GDS to Data Link Connector (DLC).
  2. Warm up the Engine to normal operating temperature.
  3. Using scantool, check if there is an error in ESP (ESC) system.

    If there is an error in ESP (ESC) system, first do a troubleshooting for those system and then check 4WD.

  4. Is the same DTC displayed again?

    YES 

    • Go to next procedure.

    NO 

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