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Service bulletins for the 2021 Subaru Outback

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.

488 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
15-261-20R2023-04-06. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM. The following information 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.
WRI-20R2023-04-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a Service Program for certain 2020-2021 model year Legacy and Outback vehicles to update the Cockpit Control Module (CCM) software to the latest version.
07-213-22R2023-04-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified.
1213512R2023-04-03. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. If you have copies of 12-135-12R please discard and refer to 07-72-13 for the latest repair procedure.
1717132023-04-03. Service bulletin. AIR BAGS. Event Data Recorder (EDR) Function of Airbag Module
02140132023-03-20. Service bulletin. ENGINE AND ENGINE COOLING. Oil Filler Cap Gasket Coming Unseated
Announcements-22023-03-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION: OIL COOLER. Effective with all 2015 model year cars and forward, the oil change interval is changing to 6,000 miles or 6 months, whichever comes first.
WQE41-12023-03-13. Service bulletin. UNKNOWN OR OTHER; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Puddle Light Recall
1213712R2023-03-06. Service bulletin. VISIBILITY:WINDSHIELD. EyeSight Acceptable Windshield Repair Areas
064312R2023-03-06. Service bulletin. EQUIPMENT. ETC (Electronic Toll Collection) Device Mounting Guidelines
0116809R2023-03-06. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. Replacement Key and Immobilizer Info
15-242-19R2023-03-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This Service Information bulletin has been developed for use as a quick reference tool to aid in diagnosing operational concerns of the Gen 2 Telematics system’s remote access features.
15-219-18R2023-03-02. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. When attempting to complete the STARLINK Telematics subscription process, an Error Code 202 and / or 204 may occur preventing the process from completing successfully.
15-257-19R2023-03-02. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This Service Information Bulletin provides insight in response to both customer and retailer feedback resulting from the use of OBD-II port connected devices.
09-97-222023-03-02. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This bulletin announces the availability of new reprograming files for the Engine Control Module (ECM) developed to remedy DTCs.
15-261-20R2023-03-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. The following information 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.
09-99-232023-02-06. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; EQUIPMENT. Engine Surging/Jolting During Accelerator Release.
09-101-232023-02-06. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This bulletin announces availability of reprogramming files developed for the Engine Control Module (ECM) to optimize the fuel injection system’s fuel spray pattern and engine block heater detection.
15-261-20R2023-02-06. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT; ELECTRICAL SYSTEM. The following information 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.
WRK-21/22R2023-02-06. Service bulletin. POWER TRAIN. Subaru of America, Inc. (Subaru) has initiated this safety and emissions Recall for certain 2019 - 2020 model year Ascent vehicles, 2020-2021 model year turbo Legacy vehicles, and 2020-2021 model year turbo Outback vehicles in which the Continuously Variable Transmission (CVT) chain may slip and/or break.
16-132-20R2023-02-06. Service bulletin. POWER TRAIN. This Service Information Bulletin provides updated diagnostic procedures to follow and a brief questionnaire to complete when diagnosing an alleged Chain Slip condition on the TR580 and TR690 model CVT transmissions used in the models listed.
07-213-22R2023-02-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified.
16-136-22R2023-02-06. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides a temporary repair procedure to address vibrations and/or judder concerns experienced on turns during acceleration.
15-246-19R2023-01-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Service Information Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs.
WRK-21/222023-01-05. Service bulletin. POWER TRAIN. "Subaru of America, Inc. (Subaru) has initiated this safety and emissions Recall for certain 2019 - 2020 model year Ascent vehicles, 2020-2021 model year turbo Legacy vehicles, and 2020-2021 model year turbo Outback vehicles in which the Continuously Variable Transmission (CVT) chain may slip and/or break."

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