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Home › Genesis › 2017 › G90 5.0 Ultimate, AWD › Repair and Diagnosis › Brakes › Traction Control › Electronic Stability Control Diagnosis › DTC C1702-04: ABSESP (ESC) Control Module-Variant Coding Error › Component Inspection

Component Inspection

  1. Ignition switch "OFF".
  2. Ignition switch "ON".
  3. Connect GDS and select "Diagnostic Trouble Codes (DTCs)" mode.
  4. Using a GDS, and clear DTC.
  5. Select "Diagnostic Trouble Codes (DTCs)" 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, perform following functions
      1. "Steering Angle Sensor Calibration" for steering angle sensor offset correction (refer to C126104 ) -ESP (ESC) only
      2. "Longitudinal Sensor Calibration" for Longitudinal sensor offset correction (refer to C128504 ) - ESP (ESC) only
      3. "Variant Coding" for option coding (refer to C170204 )

    NO 

    • Fault is intermittent caused by faulty HECU or was repaired and HECU memory was not cleared. go to "Verification of Vehicle Repair" procedure below.
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