Service bulletins for the 2019 Subaru Ascent
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.
638 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| 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). |
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| SubaruNet Announ | 2022-11-03. Service bulletin. POWER TRAIN. UPDATE: Subaru Safety & Emissions Recall: WRK-21 – CVT Chain Guide Breakage. |
| 15-251-19R | 2022-11-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16. |
| 07-207-22R | 2022-11-03. Service bulletin. ELECTRICAL SYSTEM. Subaru Battery Drain Product Liability Litigation. |
| 07-178-21R | 2022-11-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin is being released as guidance for proper testing and charging of vehicle batteries. |
| 5-88-21R | 2022-11-03. Service bulletin. SUSPENSION. This bulletin announces a design change made to the front stabilizer bushings. |
| 07-199-21R | 2022-11-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Bulletin provides additional information for the diagnostic procedures concerning measurement of Dark Current (a.k.a. Standby Current). |
| WRK-21/22R | 2022-11-03. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; 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. |
| WRK-21/22R | 2022-10-04. 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. |
| 09-74-21R | 2022-10-04. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components. |
| SubaruNet Announ | 2022-10-04. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Battery Class Action Settlement Resources. (2) |
| SubaruNet Announ | 2022-10-04. Service bulletin. POWER TRAIN. An announcment regarding final phase of customer mailing for recall WRK 21. |
| 16-136-22R | 2022-10-04. Service bulletin. POWER TRAIN. This service bulletin provides a temporary repair procedure to address vibrations and/or judder concerns experienced on turns during acceleration. |
| SubaruNet Announ | 2022-10-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Battery Drain Class Action Settlement- Warranty Extension Training. |
| 07-207-22R | 2022-10-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin announces a warranty extension information regarding 12 Volt vehicle batteries. |
| 18-225-22R | 2022-10-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Service Bulletin is to inform you of the diagnosis procedure of the Harman Infotainment System when DTC B2255 is detected. |
| SubaruNet Announ | 2022-09-08. Service bulletin. ELECTRICAL SYSTEM. Announcement to Subaru Retailers regarding the preliminary settlement in a class action lawsuit regarding battery drain in certain Subaru vehicles. |
| 07-199-21R | 2022-09-08. Service bulletin. LATCHES/LOCKS/LINKAGES; ELECTRICAL SYSTEM. This Service Information Bulletin provides additional information for the diagnostic procedures concerning measurement of Dark Current (a.k.a. Standby Current). |
| 09-74-21R | 2022-09-08. Service bulletin. ENGINE AND ENGINE COOLING. 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). |
| 01-167-08R | 2022-09-08. Service bulletin. EQUIPMENT. This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models. |
| 15-302-22 | 2022-09-08. 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. |
| 18-208-22 | 2022-09-08. Service bulletin. EQUIPMENT. The purpose of this bulletin is to provide a description of current changes to Service Manuals available via the Subaru Technical Information System (STIS) web site. |
| 07-207-22R | 2022-09-08. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces a warranty extension information regarding 12 Volt vehicle batteries. |
| 15-236-18R | 2022-09-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3.1 Audio and Navigation head units utilized in the models as listed. |
| Subaru Tech Tips | 2022-09-08. Service bulletin. EQUIPMENT. Special Edition, 2012 current model subaru evaporative diagnostics and smoke testing. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.