Service bulletins for the 2015 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.
502 on file from NHTSA, as of 2026-10-19.
About P0420 on the 2015 Subaru Forester: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: P0420 are shown. Show all
| 1114614 | 2023-04-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Reprogramming Files for DTC P0420 |
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| 11-146-14 | 2017-02-24. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. REPROGRAMMING FILES FOR DTC P0420 |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.