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Manufacturer communication · Service bulletin

Subaru bulletin WRG-26R

Subaru filed this with NHTSA as a service bulletin dated Aug 20, 2026, received Jul 2, 2026, about the electrical system — 2 documents under this number. It names 1 model year (2026). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.

What the bulletin says

Source: NHTSA's summary of the manufacturer's communication

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.)

Kind Service bulletin Manufacturer date Aug 20, 2026 Received by NHTSA Jul 2, 2026 Components Electrical System First dated Jun 30, 2026

Documents filed under this number

DocumentKindDatedNHTSA idAt NHTSA
WRG-26RService bulletinAug 20, 202611036812not yet checked
WRG-26RService bulletinJun 30, 202611034263not yet checked

The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.

Model years it names

Source: as the manufacturer filed them

A vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.

Common questions

Source: NHTSA, 49 CFR 579.5

Is Subaru WRG-26R a recall?

No. A service bulletin is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.

Is the WRG-26R repair free?

Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way.

Which vehicles does WRG-26R cover?

The manufacturer filed it against 1 model year: 2026 Subaru Solterra. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.