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Home >> Hyundai >> 2021 >> Tucson Ultimate, FWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.4L >> Engine Control Module (ECM) >> Repair Procedures >> Removal
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Repair Procedures: Removal

  1. Turn ignition switch OFF and disconnect the battery negative (-) terminal.
  2. Remove the air cleaner assembly and air duct.

    (Refer to Engine Mechanical System - "AIR CLEANER ")

  3. Remove the battery.

    (Refer to Engine Electrical System - "BATTERY ")

  4. Disconnect the ECM Connector (A).
  5. Remove the mounting bolt & nuts (B), and then remove the ECM (C).

    ECM Bracket Mounting Nut: 

    9.8 - 14.7 N.m (1.0 - 1.5 kg.m, 7.2 - 10.8 lb-ft)

    ECM Bracket Mounting Bolt: 

    21.5 - 32.3 N.m (2.2 - 3.3 kgf.m, 15.9 - 23.8 lb-ft)

    G13034989Courtesy of HYUNDAI MOTOR AMERICA
  6. Remove the mounting bolts & screw (A), and then remove the ECM (B) from the ECM bracket assembly.

    ECM Mounting Nut: 

    8.8 - 11.8 N.m (0.9 - 1.2 kgf.m, 6.5 - 8.7 lb-ft)

    G13034990Courtesy of HYUNDAI MOTOR AMERICA