Hyundai Santa FE Hybrid 2023 — technical service bulletin
Bulletin 23-01-035H · NHTSA communication 10235558 · issued Apr 17, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2023
model years
1
vehicle entries
Official summary
This bulletin provides information related to the Engine Control Module (ECM) software update for HMMA (5NM) produced 2023MY Santa Fe Hybrid (TM HEV) vehicles to improve the following DTC and symptoms:
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.