Hyundai Santa Cruz 2021–2022 — technical service bulletin
Bulletin 21-EM-012H · NHTSA communication 10206365 · issued Dec 22, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2021–2022
model years
5
vehicle entries
Official summary
Certain vehicles listed below equipped with 2.5T turbo engines may have a misassembled check valve for the PCV (Positive Crankcase Ventilation) system, resulting in engine oil entering the intake and contaminating the air cleaner. This bulletin describes the procedure to clean the air intake system and replace the PCV check valve and air cleaner.
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.