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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 49 (Low Dc/Dc Converter Diagnosis (PHEV) (1 Of 2)) >> DTC P1790-00: Variant Coding Error >> Wiring Inspection >> Basic Inspection >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check fuses and relays.
  2. Check auxiliary battery terminals and charge status.
  3. Check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.

    Good 

    No Good 

    • Selecting the "HCU/Low DC-DC Converter" system at "Vehicle S/W Management".
    • Perform the "HCU Variant Coding" procedure.
    • After performing "HCU Variant Coding" and then Go to "Verification Of Repair " procedure.