Hyundai Tucson Owners & Service Manuals

Hyundai Tucson: Steering Wheel / Motor Driven Power Steering (MDPS)

The system assists you with steering the vehicle. If the vehicle is turned off or if the power steering system becomes inoperative, you may still steer the vehicle, but it requires increased steering effort.

If you notice any change in the effort required to steer during normal vehicle operation, contact an authorized HYUNDAI dealer.


If the Motor Driven Power Steering () warning light and the message, “Check motor driven power steering” illuminate on the instrument cluster, you can continue to steer the vehicle, but it requires increased effort. Contact an authorized HYUNDAI dealer and have the system inspected as soon as possible.


During normal vehicle operation:

  • The steering effort may be high immediately after moving the ignition switch to the ON position. This happens as the system performs the MDPS system diagnostics. When the diagnostics are completed, the steering wheel effort returns to its normal condition.
  • When the battery voltage is low, you might have to use more effort to steer. This is a temporary condition and returns to normal after charging the battery.
  • A noise may be heard from the MDPS relay after the ignition switch is in the ON or LOCK/OFF position.
  • Motor noise may be heard when the vehicle is at a stop or driving at low speeds.
  • When you operate the steering wheel in low temperatures, abnormal noise may occur. When the temperature rises, the noise disappears.
  • When an error is detected from MDPS, the steering effort assist function is not activated. Instrument cluster warning lights may illuminate or the steering effort may be high. If these symptoms occur, drive the vehicle to a safe location as soon as possible. Have the system inspected by an authorized HYUNDAI dealer as soon as possible.
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