TSB SA635 — Kia Software update
SA635 is a software update on file with NHTSA for the Kia Sportage, 2026 model years, filed and re-filed as 2 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. RELEASE NOTES: OVER-THE-AIR: SERVICE ACTION SOFTWARE UPDATE FOR ELECTRIC WATER PUMP (SA635) - This Over-the-Air (OTA) software update is designed to update the Data Connectivity Unit (DCU) logic of certain 2026 Sportage and Sportage HEV/PHEV and 2025 EV6 vehicles. This update is…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. SA635 is filed as a software update, 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 SA635 names
| Vehicle | Model years |
|---|---|
| Kia Sportage | 2026 |
Every document filed under SA635
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 |
|---|---|---|
| OTA_SA635_R1 | February 10, 2026 | Software update |
| OTA_SA635 | January 15, 2026 | Software update |
What SA635 covers
Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB SA635?
SA635 is a software update filed with NHTSA by Kia, covering the Kia Sportage across the 2026 model years. NHTSA's summary reads: RELEASE NOTES: OVER-THE-AIR: SERVICE ACTION SOFTWARE UPDATE FOR ELECTRIC WATER PUMP (SA635) - This Over-the-Air (OTA) software update is designed to update the Data Connectivity Unit (DCU) logic of certain 2026 Sportage and Sportage HEV/PHEV and 2025 EV6 vehicles. This update is…
Which vehicles does SA635 cover?
NHTSA's file names Kia Sportage (2026). 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 SA635 a recall, and is the repair free?
SA635 is filed as a software update, 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 SA635?
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 SA635, 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 SA635. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.