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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

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
07-204-222022-03-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces tentative Subaru Select Monitor procedure information to follow when replacing and/or diagnosing combination meters.
01-175-162022-03-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides helpful tips to better utilize the Subaru Select Monitor 4.
06-83-222022-03-04. Service bulletin. ELECTRICAL SYSTEM; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). This bulletin announces availability of reprogramming files to optimize the Vehicle Dynamic Control Control Module (VDCCM).
18-217-222022-02-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin announces Service Manual corrections for the diagnostic trouble tree for DTC B1788.
15-240-19R2022-02-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency.
15-259-20R2022-02-04. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM. This bulletin provides helpful tips to use when diagnosing customer concerns which may arise when operating the new-generation Denso CP1 Multimedia Navigation (AVN) & Display Audio (DA) systems.
15-246-19R2022-02-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. This bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the 2020-22 Legacy and Outback.
15-272-20R2022-02-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.
15-246-19R2022-01-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the 2020-22 Legacy and Outback.
15-251-19R2022-01-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16.
15-289-212022-01-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces additional information for the Subaru STARLINK® Owner’s Manual for models equipped with Denso CP1 Gen 4 systems.
15-240-19R2022-01-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency.
15-257-19R2021-12-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides insight in response to both customer and retailer feedback resulting from the use of OBD-II port connected devices.
15-251-19R2021-11-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16.
15-287-212021-11-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces the availability of diagnostic information regarding accessory remote engine start systems.
15-258-19R2021-11-02. Service bulletin. ELECTRICAL SYSTEM. This Service Information Bulletin involves DTC U0254 “Lost Communication with Remote Control Module”. The DTC will be stored in memory when performing an all systems DTC check on vehicles equipped with the Genuine Subaru accessory Remote Engine Starter (RES) p.n. H001SAN000 or H001SAN100.
15-195-16R2021-10-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides important information regarding diagnosis and replacement (when applicable) of the STARLINK Telematics Data Communication Module (DCM) along with a new claim submission requirement.
12-299-20R2021-10-04. Service bulletin. SEATS; ELECTRICAL SYSTEM. This bulletin announces a design change made to the outer hinge cover on the driver’s 10-way adjustable power seats.
15-240-19R2021-10-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency while addressing customer concerns.
15-273-202021-10-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin addresses isolated customer concerns regarding the pictured CP1 BASE Model Center Information Display (CID) LOWER 7-inch display screen flashing, not responding to touch inputs and / or shutting off intermittently.
07-199-21R2021-10-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides additional information for the diagnostic procedures concerning measurement of dark current (a.k.a. standby current).
07-199-21R2021-09-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides additional information for the diagnostic procedures concerning measurement of dark current (standby current).
09-76-212021-08-05. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This bulletin announces the availability of NEW reprogramming files to correct a starting condition which may occur during ambient temperatures (10 degrees Fahrenheit and lower) or in high altitude conditions.
07-199-212021-08-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides additional information for the diagnostic procedures concerning measurement of Dark Current (a.k.a. Standby Current).
15-261-20R2021-08-04. Service bulletin. 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.

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