TSB SC334 — Kia Service campaign
SC334 is a service campaign on file with NHTSA for the Kia Soul, 2014–2019 model years, filed and re-filed as 6 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. VOLUNTARY SERVICE CAMPAIGN: UNDERBODY INSPECTION & ANTI-CORROSION MATERIAL APPLICATION (SC334) - This bulletin provides information to apply additional anti-corrosion material to underbody components, including inspection/replacement of the brake line(s), on certain 2014-2019MY…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. SC334 is filed as a service campaign, which unlike an ordinary bulletin can mean free or reimbursed work when a vehicle qualifies. Ask a dealer using the document ID below, and check open recalls separately at nhtsa.gov/recalls.
Vehicles and model years SC334 names
Every document filed under SC334
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 ID | Filed | Type |
|---|---|---|
| TSB_SC334_R1 | August 20, 2025 | Service bulletin |
| SC334_TSB | June 26, 2025 | Service campaign |
| SC334_OWNR | June 23, 2025 | Service campaign |
| SC334_DP | June 21, 2025 | Service campaign |
| SC334_DPSM | June 20, 2025 | Service campaign |
| SC334_QA | June 20, 2025 | Service campaign |
What SC334 covers
Body & structure, Brakes & stability — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB SC334?
SC334 is a service campaign filed with NHTSA by Kia, covering the Kia Soul across the 2014–2019 model years. NHTSA's summary reads: VOLUNTARY SERVICE CAMPAIGN: UNDERBODY INSPECTION & ANTI-CORROSION MATERIAL APPLICATION (SC334) - This bulletin provides information to apply additional anti-corrosion material to underbody components, including inspection/replacement of the brake line(s), on certain 2014-2019MY…
Which vehicles does SC334 cover?
NHTSA's file names Kia Soul (2014–2019). 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 SC334 a recall, and is the repair free?
SC334 is filed as a service campaign, not a recall — but this is the kind of communication that can mean free or reimbursed work if your VIN qualifies. Take the number to a dealer and ask. Recalls are separate and always free; check yours by VIN at nhtsa.gov/recalls.
How do I get the full text of SC334?
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 SC334, 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 SC334. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.