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Service bulletins for the 2017 Subaru Forester

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

449 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Turbocharger or supercharger are shown. Show all

Bulletins, newest first
02-173-182018-06-11. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. 2.0L Turbo Models only. This bulletin announces availability of a special turbocharger air intake duct designed to prevent EXTREMELY RARE occurrence of ice formation from condensation in the duct?s PCV system passages.
02-173-182018-06-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. 2.0L Turbo Models only. This bulletin announces availability of a special turbocharger air intake duct designed to prevent EXTREMELY RARE occurrences of ice formation from condensation in the duct?s PCV system passages.
11-169-162017-10-27. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. Turbo models only. 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 P2270 and / or DTC P2270 and / or P0137 being stored in the ECM memory.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.