Certain 2026MY Tucson (NX4) and Tucson Hybrid (NX4 P/HEV) vehicles may have been equipped with side impact sensor(s) that were assembled with incorrect printed circuit boards. A misassembled side impact sensor may affect airbag deployment timing during certain crash scenarios. This bulletin provides instructions to inspect the side impact sensor and to replace it if necessary.

In certain 2025MY Sonata (DN8) and Tucson (NX4) vehicles equipped with 8AT, the transmission valve body oil drain plug may have been incorrectly installed. This bulletin provides instructions to inspect the transmission oil level, and if necessary, replace the transmission assembly.

The Genuine Hyundai trailer wiring harness installed on certain 2022-2024MY Tucson (NX4), Tucson Hybrid (NX4 HEV) and Tucson Plug-In Hybrid (NX4 PHEV) may be susceptible to water intrusion, which may cause an internal electrical short. This bulletin provides instruction to remove the Genuine Hyundai trailer wiring harness, install dust cap and compensate customer for accessory removal.

Certain 2024-2025MY Tucson (NX4/NX4a) and Sonata (DN8) vehicles may erroneously trigger DTC P2B59F0 - ITM Circuit Open, due to an intermittent power drop. This bulletin provides instructions to update the ECU to prevent this condition.

Certain 2025-2026MY IONIQ 5 (NE1) vehicles may experience 12V battery discharge due to Vehicle Control Unit (VCU) logic error. This bulletin provides instructions to update the VCU to correct this condition.

The front seatbelt snap on anchors equipped on certain Santa Fe (MX5a), Santa Fe Hybrid (MX5 HEV) and IONIQ 6 (CE1) vehicles may deform at the seat frame anchor point. This bulletin provides instructions to replace the seatbelt assembly if necessary and, to install stoppers to prevent deformation of the anchor.

Battery Conditioning raises the battery temperature to maintain optimal driving performance and improve DC fast charging capability in cold conditions. This bulletin provides the procedure to enable Battery Conditioning mode in certain 2022MY IONIQ 5 (NE) vehicles equipped with Battery Temperature Management System.

An enhanced Vehicle Charge Management System (VCMS) logic is available for certain IONIQ 5 (NE1), IONIQ 6 (CE1) and Kona EV (SX2 EV) vehicles.