TSB LA1A — Hyundai Service campaign
LA1A is a service campaign on file with NHTSA for the Hyundai Santa Fe, 2024–2026 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Certain Santa Fe (MX5A) and Santa Fe Hybrid (MX5A HEV) vehicles may experience battery drain and inoperative heated seat capacitive touch buttons due to incorrect ECU logic for the Seat Heater Unit – Front (SHU_FRT). Technical Service Bulletins (TSBs) 25-01-025H-1 and…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. LA1A 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 LA1A names
| Vehicle | Model years |
|---|---|
| Hyundai Santa Fe | 2024, 2025, 2026 |
Every document filed under LA1A
| Document ID | Filed | Type |
|---|---|---|
| LA1/LA1A DCS | November 13, 2025 | Service campaign |
What LA1A covers
Seats & interior — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB LA1A?
LA1A is a service campaign filed with NHTSA by Hyundai, covering the Hyundai Santa Fe across the 2024–2026 model years. NHTSA's summary reads: Certain Santa Fe (MX5A) and Santa Fe Hybrid (MX5A HEV) vehicles may experience battery drain and inoperative heated seat capacitive touch buttons due to incorrect ECU logic for the Seat Heater Unit – Front (SHU_FRT). Technical Service Bulletins (TSBs) 25-01-025H-1 and…
Which vehicles does LA1A cover?
NHTSA's file names Hyundai Santa Fe (2024–2026). 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 LA1A a recall, and is the repair free?
LA1A 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 LA1A?
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 LA1A, 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 LA1A. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.