2021 Kia Niro EX PremiumFACTORY OEM SERVICE PROCEDURE

Basic Troubleshooting Guide

  1. Bring Vehicle to Workshop
  2. Analyze Problem Experienced

    * Ask the customer about the conditions and environment related to the issue.

    (Use CUSTOMER PROBLEM ANALYSIS SHEET).

  3. Verify Symptom, and then Check DTC and Freeze Frame Data

    * Connect the GDS to Diagnostic Link Connector (DLC).

    * Record the DTC and Freeze Frame Data.

    Information 

    To erase DTC  and Freeze Frame Data,  refer to Step  5.

  4. Confirm the Inspection Procedure for the System or Part

    * Using the SYMPTOM TROUBLESHOOTING GUIDE CHART, choose the correct Inspection procedure for the system or part to be checked,

  5. Erase the DTC and Freeze Frame Data
    NOTE: NEVER erase DTC and Freeze Frame Data before completing Step 2: MIL/DTC in CUSTOMER PROBLEM ANALYSIS SHEET.
  6. Inspect Vehicle Visually

    * Go to Step  11, if you recognize the problem.

  7. Recreate (Simulate) Symptoms of the DTC

    * Try to recreate or simulate the symptoms and conditions of the malfunction as described by customer

    * If DTC(s) is/are displayed, simulate the condition according to troubleshooting procedure for the DTC.

  8. Confirm Symptoms of Problem

    * II DTC(s) is/are not displayed, go to Step 9.

    * II DTC(s) is/are displayed, go to Step  11.

  9. Recreate (Simulate) Symptom

    * Try to recreate or simulate the condition of the malfunction as described by the customer.

  10. Check the DTC

    * If DTC(s) does (do) not occur, refer to INTERMITTENT PROBLEM PROCEDURE in BASIC INSPECTION PROCEDURE .

    * If DTC(s) occur(s), go to Step 11.

  11. Perform Troubleshooting Procedure for DTC
  12. Adjust or repair the vehicle
  13. Confirmation test
  14. END
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.