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Home >> Hyundai >> 2021 >> Santa Fe Calligraphy, AWD >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> SBW Control Unit Diagnosis (Except HEV) >> DTC U0121-00: Lost Communication With Anti-Lock Brake System (ABS) Control Module >> DTC Information And Inspection >> Monitor DTC Status

Monitor DTC Status

  1. Plug GDS to Data Link Connector (DLC).
  2. Turn "ON" the ignition switch.
  3. Select "Diagnostic Trouble Codes (DTC)", and click "DTC Status" to check DTC information.
  4. Read the "DTC State" parameter.
  5. Is the DTC State "Present?"

"PRESENT" 

"HISTORY"