2023 Subaru Solterra Technical Service Bulletins

181 technical service bulletins (TSBs) are on record for the 2023 Subaru Solterra. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11037943Oct 5, 2026Electrical system, Other or unknown. This announcement provides information on a new software update for the Midtronics Dss and DCA machines.
• 11037940Sep 18, 2026Other or unknown. This bulletin provides paint code information for 2027 model year vehicles.
• 11037936Sep 18, 2026Exterior lighting. This Bulletin was developed to help prevent water intrusion at the rear tail light connector.
• 11037930Sep 15, 2026Other or unknown. This announcement provides an update to all 2027 model year Subaru warranty coverages for wear items and adjustments.
• 11037929Sep 14, 2026Other or unknown, 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.
• 11037927Sep 14, 2026Electrical 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.
• 11036807Aug 20, 2026Electrical 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.
• 11036801Aug 14, 2026Electrical system. This Bulletin provided diagnostic procedure information to be followed when addressing Dark Current / Parasitic Draw concerns on Subaru EV vehicles.
• 11036797Aug 13, 2026Electrical 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.)
• 11036796Aug 13, 2026Electrical 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.)
• 11036794Aug 5, 2026Electrical system. Techtips newsletter locator index.
• 11036789Aug 1, 2026Electrical 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
• 11035658Jul 28, 2026Electrical 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.)
• 11034270Jun 30, 2026Electrical 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.)
• 11034249Jun 12, 2026Other or unknown. This announcement is requesting retailer staff to retain the EyeSight protective hood covers from Generation 4 EyeSight cameras.
• 11034238Jun 1, 2026Electrical system. This bulletin provides information on how to identify which high voltage battery repairs can be performed at the retailer level.
• 11033069May 18, 2026Other or unknown. This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
• 11033057May 6, 2026Electrical system. This Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns.
• 11033056May 4, 2026Transmission and drivetrain. This announcement provides information on the remanufactured CVT transmission program.
• 11032034Apr 30, 2026Other or unknown. This Service Information Bulletin was developed to provide interim guidance for vehicles exhibiting DTC B2A20.
• 11032040Apr 24, 2026Transmission and drivetrain. This bulletin announces the service manual correction regarding clutch master cylinder reservoir service procedures.
• 11032039Apr 24, 2026Other or unknown. This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
• 11032038Apr 24, 2026Other or unknown. This Bulletin announces the Pre-Delivery Inspection (PDI) procedure for Solterra.
• 11032036Apr 24, 2026Electrical 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.
• 11032035Apr 20, 2026Wheels, Steering. This Bulletin provides the diagnostic procedures to be followed when addressing customer concerns of steering wheel/vehicle body vibration when driving at highway speeds when tire/wheel balance is suspected.
• 11032033Apr 20, 2026Exterior lighting. This Service Information Bulletin announces a design change to the tailgate rear taillight assembly.
• 11030560Mar 26, 2026Electrical 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.
• 11030557Mar 26, 2026Other or unknown. This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
• 11030567Mar 16, 2026Electrical 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
• 11030561Mar 4, 2026Electrical system. This announcement provides information on the use of aftermarket services or tools for programming immobilizer keys/fobs.
• 11030556Mar 3, 2026Electrical 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.
• 11029347Feb 25, 2026Electrical system. This Service Information Bulletin was developed to provide interim guidance for 2026 model year vehicles exhibiting DTC B2A20 with gen 4 Telematics.
• 11029337Feb 13, 2026Electrical 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.
• 11029329Feb 6, 2026Electrical 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.
• 11029328Feb 6, 2026Electrical 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.
• 11027986Jan 15, 2026Electrical system. This Subaru service and technical support line newsletter provides information on the next phase of TechShare.
• 11027982Jan 12, 2026Engine, Electrical system. This Bulletin provides the diagnostic procedure for the STARLINK® Remote Engine Start (RES).
• 11027981Jan 12, 2026Other or unknown. This announcement has been created to address difficulties with software updates on Subaru Select Monitors with DST-010 interface firmware has been updated.
• 11027104Dec 23, 2025Other or unknown. This Service Information Bulletin announces the Pre-Delivery Inspection (PDI) procedure for Solterra.
• 11027086Dec 12, 2025Electrical 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.
• 11027083Dec 8, 2025Electrical system, Engine. This Service Information Bulletin provides the Service Manual Correction to the diagnostic procedure for DTC B2A16 (Immobilizer Key Collation Diagnosis).
• 11027075Dec 5, 2025Electrical 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.
• 11027074Dec 5, 2025Electrical system. This is an update to safety recall WRE-25 Solterra Parking Assist ECU reprogramming.
• 11027073Dec 2, 2025Electrical system. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.
• 11025796Nov 20, 2025Other or unknown. Subaru service article locator.
• 11025792Nov 20, 2025Electrical system, Brakes. This bulletin announces the availability of reprogramming files designed to enhance the performance of regenerative braking control.
• 11025789Nov 20, 2025Other or unknown. Subaru service article locator.
• 11025784Nov 12, 2025Electrical 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.
• 11025783Nov 12, 2025Electrical system. This announcement is to provide an update regarding the WRE-25 Solterra park assist ECU reprogramming recall.
• 11024868Oct 31, 2025Electrical system. This announcement provides information on a new safety recall WRE-25 Solterra parking assist ECU reprogramming.

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