Hyundai Santa Fe: 4WD Control System / Repair procedures

Hyundai Santa Fe (TM) 2019-2025 Service Manual / 4 Wheel Drive (4WD) System / 4WD Control System / Repair procedures

Adjustment
Description
The friction material inside the coupling will degrade over time. Therefore, corresponding compensation values must be referenced and entered after replacing the controller or the coupling.
Compensation Requirement and Procedure
1.
Simultaneous replacement of 4WD ECU (Controller) and coupling
–
Does not require compensation.
2.
Replacement of coupling only
–
Reset the 4WD ECU's (Controller) clutch learning.

3.
Replacement of 4WD ECU (Controller) only
–
Before replacement: Check the ECU's clutch learning.
–
After replacement: Enter the original ECU's clutch learning into the replacement ECU.
–
Perform the following procedure in case of the appearance of failure code (P182900, P183600).

    4WD Control System

    ..

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