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Service bulletins for the 2023 Subaru Solterra

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.

181 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
SubaruNet Announcement (M2026-10-05. Other. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This announcement provides information on a new software update for the Midtronics Dss and DCA machines.
15-333-25R2026-10-05. 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.
15-304-22R2026-10-05. 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.
15-308-23R2026-09-03. 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.
19-04-262026-09-03. Service bulletin. ELECTRICAL SYSTEM. This Bulletin provided diagnostic procedure information to be followed when addressing Dark Current / Parasitic Draw concerns on Subaru EV vehicles.
15-309-23R2026-09-03. 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.)
15-304-22R2026-09-03. 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.)
Article Locator2026-09-03. Other. ELECTRICAL SYSTEM. Techtips newsletter locator index.
15-333-25R2026-09-03. Service bulletin. 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
15-334-25R2026-08-04. Service bulletin. ELECTRICAL SYSTEM. This Bulletin outlines the diagnostic procedures to be followed when identifying dark current/parasitic draw concerns caused by third-party mobile applications on Solterra, Trailseeker, and Uncharted vehicles. (This is an revised version of the original bulletin.)
15-334-25R2026-07-02. Service bulletin. ELECTRICAL SYSTEM. This Bulletin outlines the diagnostic procedures to be followed when identifying dark current/parasitic draw concerns caused by third-party mobile applications on Solterra vehicles. (This is an revised version of the original bulletin.)
19-02-262026-07-01. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information on how to identify which high voltage battery repairs can be performed at the retailer level.
15-309-23R2026-06-01. Service bulletin. ELECTRICAL SYSTEM. This Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns.
WRE-25R2026-05-04. Service bulletin. ELECTRICAL SYSTEM. Subaru of America, Inc. (Subaru) has initiated a safety recall for certain 2023-2025 model year Solterra Vehicles to update the Parking Assist Electronic Control Unit (ECU) software.
15-219-18R2026-04-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains information to help when attempting to complete the STARLINK Telematics subscription process, an Error Code 202 and / or 204 may occur preventing the process from completing successfully
SubaruNet Announcement (A2026-04-02. Other. ELECTRICAL SYSTEM. This announcement provides information on the use of aftermarket services or tools for programming immobilizer keys/fobs.
10-105-25R2026-04-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces the new procedure and Warranty Fail Code for FirstTime air conditioning (A/C) performance concerns possibly resulting from an undetected A/C refrigerant leak.
WRD-25R2026-04-02. Service bulletin. ELECTRICAL SYSTEM. Subaru of America, Inc. (Subaru) has initiated a safety recall for certain 2023-2025 model year Solterra Vehicles to update the HVAC control ECU software.
07-240-26R2026-03-03. Service bulletin. ELECTRICAL SYSTEM. This Service Information Bulletin was developed to provide interim guidance for 2026 model year vehicles exhibiting DTC B2A20 with gen 4 Telematics.
EEA-23R2026-03-03. Service bulletin. ELECTRICAL SYSTEM. This Product Enhancement Program announces the availability of a new reprogramming file package for the EV, EV Battery, Motor Generator, Rear Motor Generator, Plug-in Control, Air Conditioner, Combination Meter control modules.
10-105-25R2026-03-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces the new procedure and Warranty Fail Code for FirstTime air conditioning (A/C) performance concerns possibly resulting from an undetected A/C refrigerant leak.
WRD-25R2026-03-03. Service bulletin. ELECTRICAL SYSTEM. Subaru of America, Inc. (Subaru) has initiated a safety recall for certain 2023-2025 model year Solterra Vehicles to update the HVAC control ECU software.
Subaru Tech Tips Special2026-02-02. Service bulletin. ELECTRICAL SYSTEM. This Subaru service and technical support line newsletter provides information on the next phase of TechShare.
15-300-22R2026-02-02. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This Bulletin provides the diagnostic procedure for the STARLINK® Remote Engine Start (RES).
15-334-252026-01-06. Service bulletin. ELECTRICAL SYSTEM. This Bulletin outlines the diagnostic procedures to be followed when identifying dark current/parasitic draw concerns caused by third-party mobile applications on Solterra vehicles.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.