Subaru Ascent 2022–2025 — technical service bulletin
Bulletin 09-136-25R · NHTSA communication 11021259 · issued Jul 14, 2025
Technical service bulletin
communication type
Engine
component
2022–2025
model years
12
vehicle entries
Official summary
This bulletin announces the availability of reprogramming files for the Engine Control Module (ECM). This logic was developed to address the following Diagnostic Trouble Code (DTC): P062F - Internal Control Module EEPROM 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.