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Home › Hyundai › 2018 › Tucson Value, FWD › Repair and Diagnosis › Brakes › Traction Control › Abs/ESC Diagnosis › DTC C1702: Variant Coding Error › Component Inspection

Component Inspection

  1. IG "OFF".
  2. IG "ON".
  3. Connect GDS and select "Diagnostic Trouble Codes (DTC)  " mode.
  4. Using a GDS, Clear DTC.
  5. Select "Diagnostic Trouble Codes (DTC)  " mode again.
  6. Are any DTCs present?

    YES 

    • Substitute with a known-good HECU and check for proper operation. If problem is corrected, replace HECU and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Fault is intermittent caused by faulty HECU or was repaired and HECU memory was not cleared. go to "VERIFICATION OF VEHICLE REPAIR " procedure.
      NOTE: * In a case of replacing HECU, operate following functions
      1) "Steering Angle Sensor Calibration" for steering angle sensor offset correction (refer to C1261 ) -ESP (ESC) only
      2) "Longitudinal Sensor Calibration" for Longitudinal sensor offset correction (refer to C1285 ) - ESP (ESC) only
      3) "Variant Coding" for option coding (refer to C1702 )
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