Certain Santa Fe (MX5A) and Santa Fe Hybrid (MX5A HEV) vehicles may experience battery drain and...

Bulletin number

LA1/LA1A DCS (LA1, LA1A)

Component

Seats

Summary

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 25-01-028H-1 provides instructions to perform a software update for the Seat Heater Unit – Front to correct the logic. Over-the-Air (OTA): This update can also be conducted via OTA. The customer can complete on his/her own if he/she has an active subscription to Hyundai Bluelink. A visit to the dealership is not required. Deployment of the OTA to Bluelink customers is planned to start the week of 11/11/25.

Owners of these vehicles have filed 22 complaints in the seats category.