Service bulletin 26-BE-025H TSB

Manufacturer communication, from NHTSA Manufacturer Communications

Published by NHTSA: Sep 9, 2026
Manufacturer: HYUNDAI
NHTSA ID: 11037232
NHTSA category: Service Bulletin/Repair Instructions
Applies to, as stated by NHTSA: HYUNDAI TUCSON 2025-2026; HYUNDAI TUCSON HYBRID 2025-2026; HYUNDAI TUCSON PLUG-IN HYBRID 2025-2026
Component, as stated by NHTSA: ELECTRICAL SYSTEM

Text of the manufacturer communication

Some Tucson (NX4, NX4A, NX4M), Tucson Hybrid (NX4 HEV), and Tucson Plug-In Hybrid (NX4 PHEV) vehicles may exhibit a 12-volt battery drain due to the passive entry feature of the Digital Key 2 premium causing repeated wakeup of the vehicle. This bulletin provides instructions to perform software updates for the Ultra-Wide Band (UWB) and Body Domain Control (BDC) modules.

Manufacturer document number: 26-BE-025H TSB
Date of the communication: 2026-08-21

View original source on NHTSA.gov

NHTSA reuses some ID numbers across record types. If its page lists more than one record, this one is the manufacturer communication dated Sep 9, 2026.

For the 2023 Hyundai Ioniq 5

SEL AWD Long Range

Ignored

Relevance of 3% is under one half, so the notice is ignored whatever the other figures say.

Vehicle relevance: 3%
Attention: 12%
Interrupt probability: 9%

Importance to this owner: 0.1 of 4, none
Vehicle area the notice is about: None

This manufacturer communication does not appear to warrant attention for this vehicle.

Decided by jev-1.13.0 in 135 ms from 1,670 input tokens. Jev returns these figures and nothing else. It gives no reasons, and none are written for it here. The figures describe how relevant the notice is, not the condition of any vehicle.

Checked by code against NHTSA's fields

A plain comparison with the structured fields NHTSA filled in. Separate from Jev's decision.

YesNHTSA names this make
NoNHTSA names this model
n/aNHTSA lists model year 2023 for this model

The same notice, every vehicle

Relevance	Attention	Interrupt	State
3%	12%	9%	Ignored
2%	5%	6%	Ignored
1%	4%	5%	Ignored
1%	4%	5%	Ignored
1%	3%	4%	Ignored
1%	4%	5%	Ignored
1%	4%	5%	Ignored
1%	4%	5%	Ignored
1%	5%	6%	Ignored
1%	3%	4%	Ignored
1%	4%	5%	Ignored
1%	3%	4%	Ignored
1%	4%	4%	Ignored
1%	4%	5%	Ignored
1%	3%	4%	Ignored
1%	4%	5%	Ignored

Select a vehicle to see its attention and interrupt figures above.