TSB SC336YZ — Kia Service bulletin
SC336YZ is a service bulletin on file with NHTSA for the Kia Soul, 2021–2023 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This bulletin provides information related to the Technical Service Bulletin previously published under SC336 titled “Engine Inspection/Replacement and ECM Logic Improvement”.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years SC336YZ names
Every document filed under SC336YZ
| Document ID | Filed | Type |
|---|---|---|
| SC336YZ_TSB | September 4, 2025 | Service bulletin |
What SC336YZ covers
Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB SC336YZ?
SC336YZ is a service bulletin filed with NHTSA by Kia, covering the Kia Soul across the 2021–2023 model years. NHTSA's summary reads: This bulletin provides information related to the Technical Service Bulletin previously published under SC336 titled “Engine Inspection/Replacement and ECM Logic Improvement”.
Which vehicles does SC336YZ cover?
NHTSA's file names Kia Soul (2021–2023). 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 SC336YZ a recall, and is the repair free?
No. SC336YZ 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 SC336YZ?
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 SC336YZ, its date, and NHTSA's own summary from the public file.
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 SC336YZ. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.