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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
18-226-25R2026-01-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This Service Information Bulletin provides the Service Manual Correction to the diagnostic procedure for DTC B2A16 (Immobilizer Key Collation Diagnosis).
WRE-252026-01-06. Other. 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.
SubaruNet Announcement (W2026-01-06. Other. ELECTRICAL SYSTEM. This is an update to safety recall WRE-25 Solterra Parking Assist ECU reprogramming.
15-333-252026-01-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.
07-239-252025-12-01. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES. This bulletin announces the availability of reprogramming files designed to enhance the performance of regenerative braking control.
WRE-252025-12-01. Other. 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.
SubaruNet Announcement (W2025-12-01. Other. ELECTRICAL SYSTEM. This announcement is to provide an update regarding the WRE-25 Solterra park assist ECU reprogramming recall.
15-308-23R2025-11-04. 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.
SubaruNet Announcement (W2025-11-04. Other. ELECTRICAL SYSTEM. This announcement provides information on a new safety recall WRE-25 Solterra parking assist ECU reprogramming.
07-236-252025-11-04. Service bulletin. ELECTRICAL SYSTEM. This Bulletin outlines a comprehensive update to the dark current/parasitic draw diagnosis & testing procedures.
07-233-25R2025-11-04. Service bulletin. ELECTRICAL SYSTEM. This Bulletin provides details on a new formal testing, charging, and tracking procedure for all 12-volt batteries in new vehicle inventory.
WRD-25R2025-11-04. 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 HVAC control ECU software.
SubaruNet announcement WR2025-11-04. Other. ELECTRICAL SYSTEM. The purpose of this announcement is to provide an update to the WRD-25 Solterra HVAC ECU reprogramming safety recall.
15-219-18R2025-10-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin addresses cases when attempting to complete the STARLINK Telematics subscription process, an Error Code 202 and / or 204 may occur preventing the process from completing successfully.
WRD-252025-10-02. 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.
SubaruNet Announcement (W2025-10-02. Other. ELECTRICAL SYSTEM. WRD-25 Solterra HVAC ECU reprogramming safety recall and stop sale procedure.
EEA-23R2025-10-02. 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.
10-105-25R2025-10-02. 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.
SubaruNet Announcement2025-10-02. Other. ELECTRICAL SYSTEM; VISIBILITY/WIPER. 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.
07-233-252025-10-02. Service bulletin. ELECTRICAL SYSTEM. This Bulletin provides details on a new formal testing, charging, and tracking procedure for all 12-volt batteries in new vehicle inventory wjhich must be tested and reported every 30 days.
15-266-20R2025-09-02. Service bulletin. ELECTRICAL SYSTEM. This Bulletin provides helpful procedures and best practices to utilize when customers present with concerns relating to the operation of their Gen 2/Gen 3 Telematics system equipped Subaru.
15-320-24R2025-09-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.
SubaruNet Announcement2025-09-02. Other. ELECTRICAL SYSTEM. Subaru of America, Inc. will release an OTA to perform a software update to the DCM. This is a preventive OTA.
Subaru Service Technical2025-09-02. Other. ENGINE; ELECTRICAL SYSTEM; POWER TRAIN. Subaru Service Technical Support Newsletter special edition.
SubaruNet Announcement2025-08-04. Other. ELECTRICAL SYSTEM. This OTA is released to address Telematic functions that may stop working after a certain amount of time from the vehicle's production.

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