2020 Kia Optima Plug-In Hybrid EXFACTORY OEM SERVICE PROCEDURE

ECM Neutral Mode Procedure (With Immobilizer)

  • After replacing the ECM of the vehicle with the immobilizer, the following procedure must be performed.

    [If installing a used ECM]Β 

  1. Perform "ECM Neutral Mode" procedure using KDS.

    (Refer to "Body Electrical System - "Immobilizer System - REPAIR PROCEDURES ")

  2. After finishing "ECM Neutral Mode", perform "Key Teaching" procedure using KDS. (Refer to "Body Electrical System - "Immobilizer System - REPAIR PROCEDURES ")

    [If installing a new ECM]Β 

    Perform "Key Teaching" procedure using KDS.

    (Refer to "Body Electrical System - "Immobilizer System - REPAIR PROCEDURES ")

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:

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

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