Service bulletin 09-103-23

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10240103
Published by NHTSA	2023-08-02
Manufacturer's number	09-103-23
Manufacturer's date	2023-07-10
NHTSA component	ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

This bulletin the announces diagnostic procedures and availability of new Engine Control Module (ECM) reprogramming files to address DTC P2404 (Evap System Leak Detection Pump Sensor Circuit Range/Performance) detection.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Engine, Engine control module, Software

Trouble codes named

P2404

Vehicles listed
SUBARU LEGACY	2015
SUBARU OUTBACK	2015

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
WTB-63R	2020-11-05. Service bulletin. Subaru of America, Inc. (Subaru) is initiating a service campaign for all 2015 model year Legacy and Outback vehicles. Subaru has determined that vehicles affected by this Service Program require reprogramming of the Electronic Parking Brake (EPB) system.
11-200-20R	2020-06-02. Service bulletin. This bulletin announces the availability of reprogramming files to optimize the Engine Control Module (ECM) for hard starting in sub-freezing temperatures, DTC P0400, and surging in high altitudes.
15-205-16R	2019-03-11. Service bulletin. This bulletin announces new reprogramming file availability and the software installation procedure to address additional operational concerns received from the field and listed below involving ?Gen 2? F10 Navigation and Display Audio units with 7? display.
15-205-16R	2019-02-25. Service bulletin. This bulletin announces new reprogramming file availability and the software installation procedure to address additional operational concerns received from the field and listed below involving ?Gen 2? F10 Navigation and Display Audio units with 7? display.
15-199-16R	2018-12-10. Service bulletin. This bulletin announces reprogramming file availability and the software installation procedure to address a group of operational concerns received from the field and listed below involving the Clarion Display Audio unit with 6.2? display.
15-199-16R	2018-12-10. Service bulletin. This bulletin announces reprogramming file availability and the software installation procedure to address a group of operational concerns received from the field and listed below involving the Clarion Display Audio unit with 6.2? display.
15-208-17R	2018-12-10. Service bulletin. This Service Information bulletin announces availability of an enhancement to the Gracenote database included in the vehicles listed above equipped with F10 7? Navigation and 7? Display Audio head units. When the user plays a pre-recorded CD, Gracenote recognizes the disc then shows the artist and track name information along with the album cover art on the head unit display (when available). This enhancement brings the currently installed database up to date with the most recent information available.
15-205-16R	2018-10-01. Service bulletin. This bulletin announces new reprogramming file availability and the software installation procedure to address additional operational concerns received from the field and listed below involving ?Gen 2? F10 Navigation and Display Audio units with 7? display. The procedure will involve downloading the applicable software update files then loading them onto two flash drives for audio unit installation.
15-199-16R	2018-07-16. Service bulletin. This bulletin announces reprogramming file availability and the software installation procedure to address a group of operational concerns received from the field and listed below involving the Clarion Display Audio unit with 6.2? display. The procedure will involve downloading the applicable software update files from Subarunet then loading them onto a flash drive for audio unit installation.
15-182-15R	2018-06-11. Service bulletin. This bulletin announces a procedure for updating the navigation / audio unit?s operating system software. The following list of symptoms and related changes provides a brief description of which customer concerns the updates are intended to address. If the reported customer concern is not identified in the following information, performing the update procedure will not address it. It is important to read through and understand this information completely before proceeding.