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Home >> Hyundai >> 2018 >> Sonata Plug-In Hybrid >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transaxle Control System (PHEV) >> Inhibitor Switch >> Repair Procedures >> Removal
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Repair Procedures: Removal

CAUTION: The hybrid system uses DC 270V high voltage. So, be sure to follow safety instructions below. Otherwise, there may be a serious injury or electrocution (Refer to "SAFETY PRECAUTION ").
  1. Make sure vehicle does not roll before setting shift lever to "N" position.
  2. Shut off the high voltage circuit (Refer to "HIGH VOLTAGE SHUTOFF PROCEDURE ").
  3. Disconnect the negative (-) battery cable.
  4. Remove the HPCU (Refer to "HYBRID POWER CONTROL UNIT ")
  5. Remove the Hybrid Power Control Unit(HPCU) tray(A).
    G12793528Courtesy of HYUNDAI MOTOR AMERICA
  6. Disconnect the inhibitor switch connector (A).
  7. Remove the shift cable mounting nut (B).
    G12793529Courtesy of HYUNDAI MOTOR AMERICA
  8. Remove the manual control lever (B) and the washer after removing a nut (A).
    G12793530Courtesy of HYUNDAI MOTOR AMERICA
  9. Remove the inhibitor assembly (A) after removing the bolts.
G12793531Courtesy of HYUNDAI MOTOR AMERICA
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