Hyundai Tucson: Motor Driven Power Steering- Replacement

Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Steering System / Motor Driven Power Steering / Motor Driven Power Steering- Replacement


  1. Turn the steering wheel so that the front wheels are placed in the straight ahead position.
  2. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  3. Remove the driver airbag (DAB).

(Refer to Restraint - "Driver Airbag (DAB) Module and Clock Spring")

  1. Remove the steering wheel.

(Refer to Steering System - "Steering wheel")

  1. Remove the clock spring.

(Refer to Restraint - "Driver Airbag (DAB) Module and Clock Spring")

  1. Remove the multifunction switch.

(Refer to Body Electrical System - "Multifunction switch")

  1. Remove the steering column shroud lower panel.

(Refer to Body - "Steering Column Shroud lower Panel")

  1. Remove the crash pad lower pannel.

(Refer to Body - "Crash Pad Lower Pannel")

  1. Remove the brake pedal.

(Refer to Brake System - "Brake Pedal")

  1. Disconnect the MDPS connector (A, B).

  1. Remove the steering column assembly after loosening the mounting nuts (A) and bolt (B).

Tightening torque

(A) : 25.0 - 29.4 N.m (2.5 - 3.0 kgf.m, 14.5 - 21.7 lb-ft)

(B): 53.9 - 58.8 N.m (5.5 - 6.0 kgf.m. 39.8 - 43.4 lb-ft)

  1. Remove the MDPS power pack (A) after loosening the mounting bolts.

Tightening torque : 15.0-22.0 N.m (1.53 - 2.24 kgf.m. 11.1 - 16.2 lb-ft)

  1. Install a new power pack.


When installing a new power pack, be sure to check whether the coupling is assembled before installing it.

  1. To install, reverse the removal procedures.
  2. Conduct the "EPS Type Recognition" by diagnostic tool.

(Refer to MDPS PowerPack Assembly - "Diagnosis with diagnostic tool")

  1. Conduct the "ASP Calibration" by diagnostic tool.

(Refer to MDPS PowerPack Assembly - "Diagnosis with diagnostic tool")

  1. Check the DTC.

Diagnosis with diagnostic tool


     EPS Type Recognition

    WARNING When missing the EPS Type Recognition, occure a problem with motor driven power steering performance EPS Type Recognition procedures Connect self-diagnosis connector(16pins) located in the lower of driver side crash pad to self-dia

     Motor Driven Power Steering - Removal and installation

    WARNING When lifting a vehicle using a lift, be careful not to damage the lower parts of the vehicle (floor under cover, fuel filter, fuel tank, canister). (Refer to General Information - "Lift Point") Loosen the front wheel nuts

     Tie rod end

    Remove the tie rod end after loosening the nut. Tightening torque : 49.0 - 53.9 N.m (5.0 - 5.5 kgf.m, 36.2 - 39.8 lb-ft) WARNING Before removing the tie rod end, note by measuring the length of the thread or marked with paint. Repl


     Clutch Regulator

    Components and Components Location Clutch pedal arm Clutch pedal assembly Reservoir hose Regulator Cluch tube Clutch hose Removal Remove the air cleaner assembly and air duct. (Refer to In case by Gasoline 1.6 T-GDI System

     IMT System Actuator

    Components and Components Location IMT system actuator Connector and Terminal Information Circuit Diagram