Subaru Ascent 2022–2024 — technical service bulletin
Bulletin 09-114-23R · NHTSA communication 10252460 · issued Mar 18, 2024
Technical service bulletin
communication type
Engine and Engine Cooling
component
2022–2024
model years
7
vehicle entries
Official summary
This bulletin announces the availability of reprogramming files for the Engine Control Module (ECM). This will address cases of DTC P04AE for the EVAP purge control valve stuck open.
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.