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Home >> Kia >> 2021 >> Sedona EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (5 Of 7) >> DTC P064D-00: Internal Control Module O2 Sensor Processor Performance Bank 1 >> Wiring Inspection >> Basic Inspection

Basic Inspection

Inspection Procedure 

  1. Check fuses and relays.
  2. Check battery terminals and charge status.
  3. Check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.

    Good 

    • Carefully re-do this troubleshooting guide steps.
    • If no problems were found with the circuits or connectors, replace the ECM and go to "VERIFICATION OF REPAIR " procedure.

    No Good