Subaru WRX 2015 — technical service bulletin
Bulletin 11-167-16 · NHTSA communication 10120994 · issued Nov 10, 2016
Technical service bulletin
communication type
Engine
component
2015
model years
1
vehicle entries
Official summary
This bulletin announces the availability of reprogramming files to optimize the ECM. These new files will address customer concerns of Check Engine light illumination resulting from DTC P2270 being stored in the ECM memory.
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.