2021 Subaru Outback TSBs

468 manufacturer communications for the 2021 Subaru Outback sit in NHTSA's public file. A TSB is factory repair guidance, not a recall — the repair is not automatically free. The 2021 Outback problem report covers complaints, recalls, and investigations.

468Communications
1Campaigns & extensions

What the bulletins cover

Electrical273 bulletins
Engine102 bulletins
Transmission & drivetrain57 bulletins
Seats & interior24 bulletins
Fuel system21 bulletins
Airbags21 bulletins

Warranty extensions, campaigns & software updates

Worth checking your VIN against — these can mean free or reimbursed work if your vehicle qualifies.

Electrical · Airbags · Seats & interior SubaruNet Announcement May 13, 2024 Service campaign

This is an update for owner notification for Safety recall WRA-24 to replace the ODS sensor replacement.

Most recent service bulletins

The 20 most recent of 468 communications on file. The complete set is searchable on NHTSA's page for this vehicle.

Electrical · Fuel system 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.)

Fuel system · Electrical 09-81-21R July 27, 2026

This bulletin announces design changes made to the fuel injector in response to the DTCs listed. (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 15-246-19R 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…

Engine · Fuel system 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…

Fuel system 09-81-21R June 25, 2026

This bulletin announces design changes made to the fuel injector and fuel pipe in response to the DTCs listed DTC P030* / Engine Knocking / DTC P219C-D-E-F. (This is an revised version of the original bulletin.)

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.

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.

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 09-130-25R June 3, 2026

This bulletin announces the design change made to the exhaust manifold flange nut material that has been changed from stainless steel to medium carbon steel. This change also necessitates a revised tightening torque specification. (This is an revised version of the original…

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."

Transmission & drivetrain · Electrical 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.

Electrical 15-261-20R May 15, 2026

This bulletin announces reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4 Denso CP1 Audio and Navigation head units utilized in the models listed.

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).

Transmission & drivetrain · Electrical 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).

← 2021 Outback problems All Outback TSB years
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.