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2021-2022 Kia Sportage Emissions Software Update

Kia is updating the Electronic Control Module (ECM) software in certain 2021-2022 Kia Sportage vehicles with 2.4L GDI engines. This voluntary emissions service campaign (SC340 FL101) addresses engine calibrations that may cause vehicles to exceed emissions standards.

ByAhmet Topcu — Founder & Editor-in-ChiefAutomated summary2021 Kia Sportage
2021 Kia Sportage — manufacturer_communication document image 1
Source: NHTSA manufacturer_communication 11025895
Kia Sportage emissions softwareSC340 FL101SC340 FLIGHT 101Kia emissions campaignSportage 2.4L GDI engineECM software updateElectronic Control ModuleVoluntary Emissions Service CampaignProof of Correction CertificateSMOG check failure
Kia Sportage
2022

Kia America, Inc. has initiated a Voluntary Emissions Service Campaign, identified as SC340 FL101, to address the emissions software logic in certain 2017-2022 model year (MY) Kia Sportage vehicles. This campaign specifically targets vehicles equipped with 2.4L Gas Direct Injection (GDI) engines. The goal is to improve the Electronic Control Module (ECM) software to ensure full compliance with current emissions regulations.

Why This Matters

Kia has identified that engine calibrations in some 2017-2022 Kia Sportage vehicles may not have been optimally configured for emissions standards under specific operating conditions. These unoptimized calibrations could lead to the release of air pollutants that exceed both Federal and California emissions standards. These standards are crucial for protecting public health and welfare from the harmful effects of air pollution.

What's Being Addressed

The core of the issue lies with the engine calibrations within the Electronic Control Module (ECM) of affected 2.4L GDI Kia Sportage vehicles. These calibrations, if not updated, may cause the vehicle to emit pollutants above the legally mandated limits. This campaign ensures that your Kia Sportage emissions software meets all environmental requirements.

Manufacturer's Remedy

To resolve this, Kia will update the software programming of the Electronic Control Module (ECM). This update is designed to improve the emissions-related logic and will be performed free of charge to the owner. This ensures your Kia Sportage emissions software is compliant and optimized.

Important Warnings for Owners

Owners should be aware of several key points regarding this campaign. Failure to have this service performed could result in your vehicle failing an emissions inspection, commonly known as a "SMOG check," when required by state law. This could also be considered a lack of proper maintenance, potentially impacting your vehicle's long-term health and compliance.

For registered owners in California and other states that have adopted California emissions regulations (including Connecticut, Delaware, Maine, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont, and Washington), completing this software update is mandatory before annual vehicle registration renewal. Without the update, you may be unable to complete your vehicle registration and obtain license tags. Upon completion of the update, your Kia dealer will provide a "Proof of Correction Certificate," which may be requested by your state's Department of Motor Vehicles during your next vehicle registration.

If you are a lessor and the registered owner of an affected vehicle, you are required to forward the campaign letter to the lessee within ten days of receipt.

Owner Action

Owners of affected 2021-2022 Kia Sportage vehicles should contact an authorized Kia dealership to schedule a service appointment for this software update. While the actual time to update the software may be less than an hour, the total time required for service can vary based on the dealer's schedule. Scheduling an appointment in advance is recommended to minimize any inconvenience.

Performing this campaign will also help ensure your vehicle's full protection under its emissions warranty. For any questions regarding this Emissions Service Campaign, or if your dealer does not respond in a timely manner, you can contact Kia's Customer Care Center at 1-800-333-4542 (Monday through Friday, 5 AM to 6 PM, Pacific Time) or visit https://customercare.kiausa.com.


Source: NHTSA ID: 11025895

Frequently Asked Questions

What is the purpose of the Kia Sportage emissions software update?
The update aims to improve the emissions software logic in the Electronic Control Module (ECM) of certain 2017-2022 Kia Sportage vehicles. This ensures the vehicle's 2.4L GDI engine complies with Federal and California emissions standards, which were previously not optimized under specific conditions.
Will I be charged for the ECM software update?
No, Kia will perform the software programming update for the Electronic Control Module (ECM) free of charge. This is a voluntary emissions service campaign (SC340 FL101) and will be completed at no cost to you.
What happens if I don't get the emissions software update for my Kia Sportage?
Failure to complete this update could lead to your vehicle failing an emissions inspection (SMOG check) required by state law. In California and other emissions-regulated states, this could prevent you from renewing your vehicle registration and obtaining license tags. You will also receive a "Proof of Correction Certificate" after the update.
How long will the Kia Sportage emissions software update take?
The actual time to update the software may be less than an hour. However, the total time required for your service appointment can vary depending on the dealer's work schedule, so it's recommended to schedule in advance.

What Kia Sportage owners report

Counted from the records in our database across 32 model years.

4,907
Owner complaints
38
Recalls
679
Service bulletins
322
Crashes reported
208
Fires reported
274
Injuries reported

The 2021 model year

54 complaints, the 27th most of 32 model years on file. Owners reported 3 crashes, 7 fires and 4 injuries for this year, which also has 2 recalls on file.

Engine, the system this article covers, accounts for 1,558 of 4,907 complaints (32%), including 23 for 2021.

Complaints by model year

Model years with the most complaints for the Kia Sportage
1998303
1999284
2000304
2001228
2002234
2012392
2013381
2017404
202154
2023310

Most-reported systems

  1. Engine — 1,558
  2. Electrical System — 687
  3. Service Brakes — 613
  4. Power Train — 481
  5. Engine And Engine Cooling — 477

Latest recalls for the 2021 model year

  • 22V703000 — Trailer Hitches (Sep 2022) — Park outside
  • 21V137000 — Service Brakes, Hydraulic (Mar 2021) — Park outside
All 2021 recalls →

Recent owner reports about engine

The contact owns a 2021 Kia Sportage. The contact stated that after an oil change, while leaving the dealer and driving 55 MPH, there was an abnormal sound coming from the engine.

2021 Kia Sportage owner, Oct 2026

The Kia never showed an engine light error or gave a code stating there was a problem. We Change the oil every 3000 miles. There was no oil on the dip stick and the oil was extremely low. The engine seized up today.

2021 Kia Sportage owner, Sep 2026
Read owner complaints →

Complaints are owner reports filed with NHTSA. They are unverified, and counts depend on how many vehicles were sold, so they are not a failure rate.

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