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Home >> Hyundai >> 2018 >> Ioniq Plug-In Hybrid >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (PHEV) >> Engine Control Module (ECM) >> Repair Procedures >> Removal >> [In The Case Of Installing New ECM]
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[In The Case Of Installing New ECM]

Perform "TEACHING MODE PROCEDURE DESCRIPTION (STEP BY STEP) " procedure with GDS.

(Refer to "IMMOBILIZER SYSTEM DIAGNOSIS (PHEV) ")

CAUTION:
  • When replacing the ECM, the vehicle equipped with the smart key system (Button start) must be performed procedure as below.


  1. Turn ignition switch OFF and disconnect the negative (-) battery cable.
  2. Disconnect the TCM Connector (A).
  3. Disconnect the ECM Connector (B).
    G12727104Courtesy of HYUNDAI MOTOR AMERICA
  4. Remove the ECM (C) from the bracket after removing the screw (A) and nut (B).
    G12727105Courtesy of HYUNDAI MOTOR AMERICA
  5. Remove ECM (B) from the ECM and TCM bracket after loosening the bolt and nut (A).
    G12727106Courtesy of HYUNDAI MOTOR AMERICA