Hyundai Elantra 2017–2019 — service campaign
Bulletin 25-01-054H · NHTSA communication 11021978 · issued Aug 15, 2025
Service campaign
communication type
Electrical System
component
2017–2019
model years
3
vehicle entries
Official summary
Certain 2017-2019MY Elantra (AD, ADA) vehicles equipped with 2.0L ATK engines may be unable to complete diagnosis of the OBD-II Fuel System Readiness Monitor. This bulletin provides instructions to perform a software update for the Engine Control Module (ECM) to revise control 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.