Subaru Forester 2014–2017 — technical service bulletin
Bulletin 07-133-18 · NHTSA communication 10140483 · issued Feb 9, 2018
Technical service bulletin
communication type
Engine
component
2014–2017
model years
7
vehicle entries
Official summary
2.0L Turbor Models only. This Service Information Bulletin announces design changes to the engine?s knock sensor which will help improve vehicle assembly line efficiency and increase durability. In some cases, the Check Engine light may illuminate and a knock sensor-related DTC set in the ECM memory: P0327, P0328, P0332 and P0333.
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.