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Home >> Hyundai >> 2005 >> Sonata LX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (2.7L) (2 Of 2) >> DTC Troubleshooting Procedures >> DTC P0605: Internal Control Module Read Only Memory (ROM) Error >> Verification Of Vehicle Repair

Verification Of Vehicle Repair

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

  1. Connect scan tool and select Diagnostic Trouble Codes (DTCs) mode.
  2. Press F4(DTAL) and confirm that DTC Readiness Flag indicates Complete. If not, drive the vehicle within conditions noted in the freeze frame data or enable conditions.
  3. Read DTC Status parameter.
  4. Is parameter displayed History (Not Present) fault"?

    YES 

    • System performing to specification at this time. Clear the DTC.

    NO 

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