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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> HCU/Low Dc-Dc Converter Diagnosis (HEV) >> DTC P1790: Variant Coding Error >> Verification Of Repair >> Verification of Vehicle Repair

Verification of Vehicle Repair

After repair, it is essential to verify if the faults have been corrected.

  1. Connect the scantool and select the "Diagnostic Trouble Codes (DTC)"
  2. Clear the DTCs and test the vehicle according to the DTC Prerequisite
  3. Did the same DTC return?

    YES 

    • Go to the applicable troubleshooting procedure.

    NO 

    • The system performs in accordance with specifications at this time.