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Home >> Kia >> 2020 >> Optima EX >> Repair and Diagnosis >> External Pages >> Different car >> Section 197 (4WD Control System Diagnosis) >> DTC P0602: Control Module Programming Error >> DTC Information >> DTC Description
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DTC Description

WARNING: This page is about a different car, the 2021 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.

When the 4WD ECU detecting internal software fail, 4WD ECU sets DTC P0602.

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