Four-Wheel Drive (4WD) System
4WD ECU Repair Procedures
In this manual: Four-Wheel Drive (4WD) System
7steps
~42min
2/5difficulty
Done 0 of 7
Replacement
- Before replacing the 4WD ECU, check the clutch learning of the 4WD ECU using the GDS tool. (Refer to 4WD Control System - "Repair Procedures").
- Turn the ignition switch OFF and disconnect the negative (-) battery cable.
- Remove the left luggage compartment side trim. (Refer to Body - "Luggage Compartment Side Trim")
- Disconnect the connector (A).
- Loosen the nuts and remove the 4WD ECU (B).
Tightening Torque: 9.8–11.8 N·m

Installation
- To install, reverse the removal procedure.
- Before installing the new ECU, download the clutch learning of the original ECU into the new ECU using the GDS tool. (Refer to 4WD Control System - "Repair Procedures").
Test yourself
A quick Hyundai Kona quiz: every answer comes with an explanation and a link to the manual page.
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