Service bulletins for the 2020 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.
620 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| 09-97-22 | 2023-03-02. 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. |
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| 15-261-20R | 2023-03-02. 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. |
| 07-207-22R | 2023-03-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Subaru Battery Drain Product Liability Litigation. |
| 09-99-23 | 2023-02-06. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; EQUIPMENT. Engine Surging/Jolting During Accelerator Release. |
| 09-101-23 | 2023-02-06. 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. |
| 15-261-20R | 2023-02-06. 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-21/22R | 2023-02-06. 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. |
| 16-132-20R | 2023-02-06. 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. |
| 07-213-22R | 2023-02-06. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified. |
| 16-139-22R | 2023-02-06. Service bulletin. POWER TRAIN. CVT Assembly (WRK-21) Warranty Extension. |
| 16-136-22R | 2023-02-06. 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. |
| 07-207-22R | 2023-02-06. Service bulletin. ELECTRICAL SYSTEM. Subaru Battery Drain Product Liability Litigation. |
| 15-246-19R | 2023-01-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Service Information Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs. |
| WRK-21/22 | 2023-01-05. 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." |
| 07-213-22R | 2023-01-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified. |
| 16-132-20R | 2022-12-02. Service bulletin. POWER TRAIN. This 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. |
| 07-184-20R | 2022-12-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces a design change made to the power window main switches used in the models listed. |
| 15-240-19R | 2022-12-02. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency while addressin customer concerns. |
| 07-213-22R | 2022-12-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces a new Genuine Subaru Replacement battery for use in applications where the current SOA821B700 battery is specified. |
| Subarunet Announ | 2022-12-02. Service bulletin. POWER TRAIN. This communication announces a new procedure for retailers to follow in the event their WRK-21 videoscope requires service or replacement. |
| 15-282-21R | 2022-12-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Bulletin provides additional procedures and a detailed flow chart to use when diagnosing customer concerns regarding operation of the STARLINK RES feature. |
| 07-207-22R | 2022-12-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. In the interest of customer satisfaction, Subaru of America, Inc. is extending the New Car Basic Warranty coverage for the 12 Volt batteries used in the above listed models and model years beyond the original three (3) years or thirty six thousand miles (36,000), whichever comes first. |
| 07-199-21R | 2022-12-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This Bulletin provides additional information for the diagnostic procedures concerning measurement of Dark Current (a.k.a. Standby Current). |
| 15-261-20R | 2022-11-03. Service bulletin. 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. |
| SubaruNet Announ | 2022-11-03. Service bulletin. POWER TRAIN. UPDATE: Subaru Safety & Emissions Recall: WRK-21 – CVT Chain Guide Breakage. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.