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Home >> Hyundai >> 2015 >> Tucson GLS, 4WD >> Repair and Diagnosis >> Transmission >> Transfer Case >> 4WD Control System Diagnosis >> DTC U1121: Lost Communication With Electric Stability Program Module >> 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 GDS, check if there is an error in ESC system.

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

  4. Is the same DTC displayed again?

    YES 

    • Go to next procedure.

    NO 

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