Hyundai Santa FE Hybrid 2021–2022 — technical service bulletin
Bulletin 23-01-032H · NHTSA communication 10235353 · issued Apr 10, 2023
Technical service bulletin
communication type
Power Train
component
2021–2022
model years
2
vehicle entries
Official summary
This bulletin provides information related to the HCU software upgrade to resolve the following symptoms: â ¢ Possibility that the engine cannot run due to poor immobilizer function (although driving with electric motor is possible) â ¢ HCU function setting error
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.