# Service bulletin 15\-332\-26

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: 11033059
- Published by NHTSA: 2026\-06\-01
- Manufacturer's number: 15\-332\-26
- Manufacturer's date: 2026\-05\-08
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

This bulletin announces the availability of reprogramming files and provides a procedure for installing a software update to optimize Denso\-Ten head units.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11033059-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11033059-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2026 SUBARU SOLTERRA

## Recalls for the same vehicles and component

- [26V393000](/recalls/nhtsa/26V393000.md), 2026-06-18: ELECTRICAL SYSTEM:PROPULSION SYSTEM

## 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.
- [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.
- [WRG\-26R](/bulletins/11036812.md), 2026-09-03, Service bulletin: ELECTRICAL SYSTEM. Subaru of America, Inc. \(Subaru\) has initiated a safety recall for certain 2026 model year Solterra vehicles to update the software of the battery ECU. This is an revised version of the original bulletin.
- [15\-308\-23R](/bulletins/11036807.md), 2026-09-03, Service bulletin: ELECTRICAL SYSTEM. This Service Information Bulletin outlines a systematic procedure for diagnosing parasitic draw \(dark/standby current\) in vehicles experiencing battery drain when the ignition is off, leading to no\-start conditions or frequent jump\-starts.This is an revised version of the original bulletin.
- [19\-04\-26](/bulletins/11036801.md), 2026-09-03, Service bulletin: ELECTRICAL SYSTEM. This Bulletin provided diagnostic procedure information to be followed when addressing Dark Current / Parasitic Draw concerns on Subaru EV vehicles.
- [15\-309\-23R](/bulletins/11036797.md), 2026-09-03, Service bulletin: ELECTRICAL SYSTEM. This Service Information Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns. \(This is an revised version of the original bulletin.\)
- [15\-304\-22R](/bulletins/11036796.md), 2026-09-03, Service bulletin: ELECTRICAL SYSTEM. This Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns. \(This is an revised version of the original bulletin.\)
- [SubaruNet Announcement \(W](/bulletins/11036795.md), 2026-09-03, Other: ELECTRICAL SYSTEM. This announcement provides updates on the WRG\-26 Solterra battery ECU reprogramming safety recall.
- [Article Locator](/bulletins/11036794.md), 2026-09-03, Other: ELECTRICAL SYSTEM. Techtips newsletter locator index.

JSON: [/v1/bulletins/11033059](/v1/bulletins/11033059)

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