Service bulletins for the 2017 Subaru Legacy
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.
394 on file from NHTSA, as of 2026-10-19.
About P0116 on the 2017 Subaru Legacy: what the code means, and the bulletins and recalls about the same components.
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By trouble code
Only bulletins with trouble code: P0116 are shown. Show all
| 11-201-21 | 2021-03-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This bulletin announces availability of reprogramming files to optimize the Engine Control Module (ECM). The new files will address DTC P0116 and hard starting in cold temperature concerns when an accessory engine block heater is utilized. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.