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October 30, 2026 Service bulletin

This bulletin announces diagnostic procedures along with availability of new Engine Control Module (ECM)...

Subaru technical service bulletin 09-109-23R for 2016-2019 Subaru Outback and 2016-2019 Subaru Legacy.

Bulletin number
09-109-23R
Component
Engine
Summary
This bulletin announces diagnostic procedures along with availability of new Engine Control Module (ECM) reprogramming files to address DTC P2404 (Evap System Leak Detection Pump Sensor Circuit Range/Performance) detection. This is an revised version of the original bulletin.

Owners of these vehicles have filed 206 complaints in the engine category.

Vehicles covered

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