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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: Transmission and driveline are shown. Show all

Bulletins, newest first
SubaruNet Announcement (R2026-06-01. Other. POWER TRAIN. This announcement provides information on the remanufactured CVT transmission program.
03-97-262026-05-04. Service bulletin. POWER TRAIN. This bulletin announces the service manual correction regarding clutch master cylinder reservoir service procedures.
Subaru Service Technical2025-09-02. Other. ENGINE; ELECTRICAL SYSTEM; POWER TRAIN. Subaru Service Technical Support Newsletter special edition.
Subarunet Announcement2024-08-05. Other. POWER TRAIN. This annoucement provides parts personnel information about remanufactured transmissions that will no longer be available.
03-93-242024-06-04. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This bulletin announces the availability of reprogramming files developed to address cases of P0A1C29 (Drive Motor “B” Control Module Signal Invalid) and P0A1B29 (Drive Motor “A” Control Module Signal Invalid) detected by the Motor Generator Control Unit.
SubaruNet Announ2023-10-03. Service bulletin. POWER TRAIN; EQUIPMENT; ELECTRICAL SYSTEM. A software update has been developed for certain 2023 model year Solterra models. It is designed to improve DC-charging performance, and enhance visualization of the remaining range, current state of charge (SOC), and real-life energy consumption.
EEA-232023-10-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; POWER TRAIN. 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.
SubaruNet Announ2023-04-06. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. UPDATE New Safety Recall: WRD-23 12V Inverter Connector Corrosion.

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