TSB SC318 — Kia Emissions communication

SC318 is an emissions communication on file with NHTSA for the Kia Sorento, 2024 model years, filed and re-filed as 5 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. VOLUNTARY EMISSIONS SERVICE CAMPAIGN: SAMPLE OWNER NOTIFICATION TO THE DEALERS (SC318) - This document is the owner notification (sample) mailed to the dealers advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions logic in the Electronic…

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

5Documents filed
1Vehicle named
1Model year

Vehicles and model years SC318 names

VehicleModel years
Kia Sorento 2024

Every document filed under SC318

Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.

Document IDFiledType
SC318_OWNR November 14, 2024 Emissions communication
SC318_TSB November 8, 2024 Service bulletin
SC318_DP November 7, 2024 Emissions communication
SC318_DPSM November 7, 2024 Emissions communication
SC318_QA November 7, 2024 Emissions communication

What SC318 covers

Engine — the component vocabulary NHTSA files this communication under.

← All Kia Sorento TSB years TSB lookup by model

Questions buyers ask

What is TSB SC318?

SC318 is an emissions communication filed with NHTSA by Kia, covering the Kia Sorento across the 2024 model years. NHTSA's summary reads: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: SAMPLE OWNER NOTIFICATION TO THE DEALERS (SC318) - This document is the owner notification (sample) mailed to the dealers advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions logic in the Electronic…

Which vehicles does SC318 cover?

NHTSA's file names Kia Sorento (2024). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.

Is TSB SC318 a recall, and is the repair free?

No. SC318 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.

How do I get the full text of SC318?

Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under SC318, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under SC318. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.