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HOMESERVICE MANUALSHYUNDAI2017SANTA FE SE, FWDREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLANTILOCK BRAKE SYSTEM (ABS)/ELECTRONIC STABILITY CONTROL (ESC) DIAGNOSISDTC C1702: VARIANT CODING ERRORCOMPONENT INSPECTION
2017 Hyundai Santa Fe SE, FWD

Component Inspection

2017 Hyundai Santa Fe SE, FWDSECTION 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.
      NOTE: * In a case of replacing HECU, operate following functions
      1. "Steering Angle Sensor Calibration" for steering angle sensor offset correction (refer to C1261 ) - ESC (ESP) only
      2. "Longitudinal Sensor Calibration" for Longitudinal sensor offset correction (refer to C1285 ) - ESC (ESP) only

    NO 

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.