2023 Subaru Legacy TSBs

304 manufacturer communications for the 2023 Subaru Legacy sit in NHTSA's public file. A TSB is factory repair guidance, not a recall — the repair is not automatically free. The 2023 Legacy problem report covers complaints, recalls, and investigations.

304Communications

What the bulletins cover

Electrical200 bulletins
Engine70 bulletins
Transmission & drivetrain34 bulletins
Fuel system14 bulletins
Brakes & stability9 bulletins
Driver assistance7 bulletins

Most recent service bulletins

The 20 most recent of 304 communications on file. The complete set is searchable on NHTSA's page for this vehicle.

Fuel system · Electrical 09-123-24R July 28, 2026

This bulletin announces the design change made to the high-pressure fuel pump developed to prevent DTC P0087 (Fuel Rail/System Pressure – Too Low Bank 1). (This is an revised version of the original bulletin.)

Electrical 16-159-26 July 23, 2026

This bulletin provides new diagnostic steps for DTC P0851 and P0852 to be used in conjunction with the applicable Service Manual.

Electrical 15-311-23R July 15, 2026

This bulletin provides instruction for use (FOTA) of a new reprogramming procedure to optimize the Denso Gen 4.5 Audio and Navigation system utilized in the models listed. (This is an revised version of the original bulletin).

Electrical 15-246-19R June 30, 2026

This Service Information Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the vehicles listed. (This is an revised version of the original bulletin.)

Engine 02-193-24R June 30, 2026

This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components (e.g. intake valves and / or manifold, and combustion chambers). (This is an revised version of the…

Fuel system · Engine 09-74-21R June 26, 2026

This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components (e.g. intake valves and / or manifold, and combustion chambers). (This is an revised version of the…

Engine 02-196-26 June 23, 2026

This bulletin outlines the diagnostic and repair procedure for white smoke emitted from the exhaust after startup.

Electrical 16-159-26 June 23, 2026

This bulletin provides new diagnostic steps for DTC P0851 and P0852 to be used in conjunction with the applicable Service Manual.

Electrical · Brakes & stability 06-94-25R June 20, 2026

This bulletin announces availability of new Electronic Brake Booster (EBB) & Vehicle Dynamics Control (VDC) module reprogramming files developed to address cases of a cracking-type noise heard under the dashboard in the brake pedal area when the brake pedal is released. (This is…

Manufacturer communication SubaruNet Annoucement (E June 12, 2026

This announcement is requesting retailer staff to retain the EyeSight protective hood covers from Generation 4 EyeSight cameras.

Driver assistance · Electrical 07-241-26 June 11, 2026

This Service Information Bulletin was developed to provide removal and installation tips to be followed when working with EyeSight Stereo Cameras.

Transmission & drivetrain 16-151-24R June 5, 2026

This bulletin provides guidance when diagnosing chain slip, judder, shudder, and hesitation concerns on the TR690 model CVT transmissions used in the models listed. (This is an revised version of the original bulletin.)

Engine 18-240-26 June 1, 2026

"This bulletin provides a new diagnostic procedure for vehicles equipped with a Denso CP 1, 1.5 and 2.5 head units to provide an enhanced version of the troubleshooting steps for Sound does not come out from the speaker."

Electrical · Transmission & drivetrain 18-241-26 May 28, 2026

This Bulletin announces a correction to the diagnostic procedures for certain CVT related DTCs, including P0730, P0746, P0747, P0841, P0846, P0867, P1867, P1894, and P2723.

Service bulletin 01-167-08R May 18, 2026

This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.

Engine 02-193-24R May 13, 2026

This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components (e.g. intake valves and / or manifold, and combustion chambers).

Electrical · Transmission & drivetrain 16-157-26 May 12, 2026

This bulletin announces a design change to the TR690 CVT control valve body which features an enhanced line pressure sensor O-ring, designed to prevent abnormal sensor readings caused by O-ring leakage.

Transmission & drivetrain SubaruNet Announcement (R May 4, 2026

This announcement provides information on the remanufactured CVT transmission program.

Engine 18-230-26 May 1, 2026

This bulletin announces the diagnostic procedures to be used when DTCs B1571(REFERENCE CODE INCOMPATIBILITY IMMOBILIZER CM TO ECM) and B1572(IMM CIRCUIT EXCEPT ANTENNA CIRCUIT) are detected by Keyless Access with Push Button Start(KACM).

Service bulletin 07-240-26R April 30, 2026

This Service Information Bulletin was developed to provide interim guidance for vehicles exhibiting DTC B2A20.

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Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.