Hyundai Santa FE Plug-In Hybrid 2022 — technical service bulletin
Bulletin 23-01-031H · NHTSA communication 10235560 · issued Apr 17, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2022
model years
1
vehicle entries
Official summary
This bulletin provides information related to the Engine Control Module (ECM) software update for Santa Fe Plug-in Hybrid (TM PHEV) vehicles to add CARB recommended OBD display items & 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.