LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2022 >> EV6 Light >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Vehicle Control System Diagnosis (1 Of 2) >> DTC P31D0-04: VCU Control Unit Error >> Verification of Repair
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Verification of Repair

After a repair, it is essential to verify that the fault has been corrected.

  1. Connect KDS to "Data Link Connector (DLC)", and monitor "Diagnostic Trouble Codes (DTC)".
  2. Clear all DTCs in the system with KDS.
  3. Operate system or vehicle within DTC detecting condition in "DTC Detecting Condition" chart.
  4. Monitor "Diagnostic Trouble Codes (DTC)" with KDS and verify that any DTC is stored.
  5. Verify that the DTC is cleared and system operates correctly.

Good 

No Good