Subaru Forester 2014–2017 — technical service bulletin
Bulletin 11-169-16R · NHTSA communication 10155221 · issued Feb 20, 2019
Technical service bulletin
communication type
Engine
component
2014–2017
model years
4
vehicle entries
Official summary
This bulletin announces the availability of reprogramming files to optimize the ECM. These new files will address customer concerns of: ? Spark knock (ping) during high intake air temperature operation ? Surge on acceleration due to phantom knock detection ? Check Engine light illumination resulting from DTC P113A and / or P0137 being stored in the ECM memory.
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.