Subaru Ascent 2019–2022 — technical service bulletin
Bulletin 09-98-22R · NHTSA communication 11036821 · issued Aug 31, 2026
Technical service bulletin
communication type
Engine
component
2019–2022
model years
4
vehicle entries
Official summary
This bulletin announces the availability of new reprograming files for the Engine Control Module (ECM) developed to remedy the following DTCs: P0016, P0017, P0018, P0019, P0014, P0024, P0128, P2109. If any of the DTCs listed above are found to be stored in the ECM, follow the procedures outlined in the bulletin. This is an revised version of the original bulletin.
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.