# Service bulletin 15\-326\-25

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.

- Type: Service bulletin
- NHTSA id: 11019937
- Published by NHTSA: 2025\-07\-01
- Manufacturer's number: 15\-326\-25
- Manufacturer's date: 2025\-06\-17
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

This bulletin provides instruction for use of a new reprogramming procedure to optimize the Denso Gen 4.5 Audio and Navigation system utilized in the models listed.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11019937-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11019937-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Vehicles listed

- 2025 SUBARU FORESTER

## Other bulletins for the same vehicles and component

- [SubaruNet Announcement \(M](/bulletins/11037943.md), 2026-10-05, Other: ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This announcement provides information on a new software update for the Midtronics Dss and DCA machines.
- [SubaruNet Announcement \(T](/bulletins/11037942.md), 2026-10-05, Other: POWER TRAIN; ELECTRICAL SYSTEM. This announcement provides information on an enhancement of the TechShare CVT diagnostic assitance application.
- [18\-244\-26](/bulletins/11037938.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. "This Bulletin announces additional troubleshooting steps for the following DTCs: DTC C1956: RH Actuator Circuit DTC C1957: LH Actuator Circuit"
- [15\-333\-25R](/bulletins/11037929.md), 2026-10-05, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. This is an revised version of the original bulletin.
- [15\-304\-22R](/bulletins/11037927.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns. This is an revised version of the original bulletin.
- [12\-269\-25R](/bulletins/11037926.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This bulletin announces the service procedures to be followed when encountering instances of water intrusion from the sunroof area.This is an revised version of the original bulletin.
- [15\-343\-26](/bulletins/11037920.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. "This bulletin announces a design change to the cord assembly that connects the Center Infotainment Display \(CID\) to the CCU, addressing reports of CID screen flickering."
- [12\-269\-25R](/bulletins/11036824.md), 2026-09-03, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. This bulletin announces the service procedures to be followed when encountering instances of water intrusion from the sunroof area. This is an revised version of the original bulletin.
- [15\-342\-26](/bulletins/11036819.md), 2026-09-03, Service bulletin: ELECTRICAL SYSTEM. This bulletin announces an inspection procedure for the Smart Rear View Mirror Assembly.
- [15\-341\-26](/bulletins/11036813.md), 2026-09-03, Service bulletin: ELECTRICAL SYSTEM. This bulletin announces a design change to the cord assembly that connects the Center Infotainment Display \(CID\) to the CCU, addressing reports of CID screen flickering.

JSON: [/v1/bulletins/11019937](/v1/bulletins/11019937)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2015-326-25&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11019937&vehicle=Service%20bulletin%2015-326-25)