Service bulletin 26-BD-005H TSB

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	11036636
Published by NHTSA	2026-09-02
Manufacturer's number	26-BD-005H TSB
Manufacturer's date	2026-08-28
NHTSA component	SEATS

NHTSA's summary

Some Santa Fe Hybrid (MX5A HEV) vehicles may have walk-in switches that are not fully secured. This bulletin provides instructions to trim the seat cover and replace the walk-in switch with improved parts.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Seats

Vehicles listed
HYUNDAI SANTA FE HYBRID	2024, 2025 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
2026170	2026-04-06. Seats And Restraints

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
26-BD-008H TSB	2026-09-02. Service bulletin. Some Santa Fe (MX5A) and Santa Fe Hybrid (MX5A HEV) vehicles equipped with natural leather or Nappa leather seating surfaces may exhibit wrinkling on the first or second row seat cushions or seat backs, or tearing along the perforation holes due to the stiffness of the leather material. This bulletin provides instructions to replace the wrinkled or torn seat covers.
26-BE-015H TSB	2026-06-16. Service bulletin. Some Santa Fe (MX5A) and Santa Fe Hybrid (MX5A HEV) vehicles equipped with power seats with or without Integrated Memory System (IMS) may produce buzz, squeak, rattle noises when the driver’s front seat is adjusted forward or backwards due to friction within the motor’s tube. This bulletin provides instructions to remove the motor tube.
26-BD-001H TSB	2026-03-16. Service bulletin. Some Santa Fe (MX5A) and Santa Fe Hybrid (MX5A HEV) vehicles equipped with 2nd row captain’s chairs have an armrest cap that may detach. This bulletin provides the procedure to replace the armrest cap on the 2nd row captain’s chairs with a revised part.
25-01-025H-1 TSB	2025-11-18. Service campaign. Certain Santa Fe (MX5A) 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). This bulletin provides instructions to perform a software update for the Seat Heater Unit – Front to correct the logic.
LA1/LA1A DCS	2025-11-18. Service campaign. 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.
25-01-028H TSB	2025-04-30. Service campaign. Certain Santa Fe Hybrid (MX5A HEV) vehicles may experience battery drain due to incorrect ECU logic for the Seat Heater Unit – Front (SHU_FRT). This bulletin provides instructions to perform a software update for the Seat Heater Unit – Front to correct the logic.
25-01-025H TSB	2025-04-01. Service campaign. Certain Santa Fe (MX5A) vehicles may experience battery drain due to incorrect ECU logic for the Seat Heater Unit – Front (SHU_FRT). This bulletin provides instructions to perform the software update for the Seat Heater Unit – Front to correct the logic.