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Home >> Kia >> 2020 >> Optima EX >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Anti-Lock Brake System (Abs)/Electronic Stability Control (ESC) Diagnosis) >> DTC C1702-04: Variant Coding Error >> DTC Information And Inspection >> Variant Code Reset

Variant Code Reset

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check for improper installation of ECM/TCM/ESC/4WD/DCT/ACU/EPB ECU.
  2. Check for wrong 4WD ECU installation.
  3. Check for wrong G sensor installation.
  4. Check for wrong DCT ECU installation.
  5. Check for wrong TCM installation.
  6. Check for wrong EPB ECU installation.
  7. Connect GDS to Data Link Connector (DLC).
  8. Turn "ON" the Ignition Switch.
  9. Perform variant code reset in Vehicle S/W Management menu of the GDS. (Image below).
  10. Turn "OFF" the Ignition Switch and wait for about 10 seconds, and then turn "ON" the Ignition Switch. Go to "COMPONENT INSPECTION " Procedure.
G12596199Courtesy of HYUNDAI MOTOR AMERICA
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