Hyundai Elantra 2018 — technical service bulletin
Bulletin 24-01-016H · NHTSA communication 10251281 · issued Feb 12, 2024
Technical service bulletin
communication type
Electrical System
component
2018
model years
1
vehicle entries
Official summary
Certain Hyundai vehicles may not be equipped with an engine immobilizer. This bulletin provides the service procedure to upgrade the IBU/BCM (Integrated Body Control Unit/Body Control Module) to revise the OEM Hyundai burglar alarm system operation and ignition start logic.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.