2020 Kia Optima Plug-In Hybrid EXFACTORY OEM SERVICE PROCEDURE

Repair Procedures: Adjustment

ETC module learning procedure

Be sure to perform the ETC module learning procedure when replacing or re-installing the ETC module.

  1. Wait for 1 minute with the ignition switch ON.
  2. Start the engine and hold the idle status for 15 minutes.
  3. Waif for 1 minute with the ignition switch OFF.
  4. Restart the engine, check that the idle speed is stable.
    NOTE: If not performing the ETC module learning procedure after replacing or re-installing, MIL illumination with DTCs might occur.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

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.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.