Subaru Forester 2014–2015 — technical service bulletin
Bulletin WQW-58R · NHTSA communication 10140517 · issued Apr 15, 2016
Technical service bulletin
communication type
Electrical System
component
2014–2015
model years
3
vehicle entries
Official summary
2.0L DIT Models. Revised Recall Bulletin. Subaru of America, Inc. has determined that vehicles affected by this Service Program require ECM reprogramming. This bulletin includes the service procedure for diagnosis and repair of customer concerns involving engine idle roughness or, in some cases, engine noise and/or damage resulting from spark knock (pre-ignition). The Engine Control Module logic has also been optimized requiring the ECM reprogramming.
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.