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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

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
15-240-19R2020-08-03. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency while addressing customer concerns.
07-162-19R2020-06-02. Service bulletin. LATCHES/LOCKS/LINKAGES; EQUIPMENT:ELECTRICAL. This bulletin announces availability of reprogramming files to optimize the Body Integrated Unit (BIU) opertation of the automatic door lock (auto-lock/unlock) feature.
12-288-202020-06-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:MECHANICAL; SEATS. This bulletin announces a design change made to the Slide Rail components of the left and right front power seat frame / track assemblies used on the models listed.
WRD-20R2020-06-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; FUEL SYSTEM, GASOLINE. Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2019 model year Ascent, Impreza, Legacy, and Outback vehicles in which the fuel pump may become inoperative.
01-181-202020-05-04. Service bulletin. EQUIPMENT. All Models (Vehicle Cleaning- COVID-19Best Practices)
15-195-16R2020-05-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service information bulletin provides important information regarding diagnosis and replacement (when applicable) of the STARLINK Telematics Data Communication Module (DCM). All models with STARLINK Telematics System.
12-286-202020-05-04. Service bulletin. LATCHES/LOCKS/LINKAGES; EQUIPMENT; STRUCTURE. This bulletin announces a design change made to the front door weatherstrips to prevent interference with the leading edge of the rear doors under certain circumstances.
07-162-19R2020-05-04. Service bulletin. ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES; EQUIPMENT. This bulletin announces availability of reprogramming files to optimize the Body Integrated Unit (BIU) operation of the automatic door lock (auto-lock / unlock) feature.
15-240-19R2020-04-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize effciency while addressing customer concerns.
15-262-202020-04-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin announces the addition of diagnostics for DTC B224C: RADIO ANTENNA FAULTS to the service manuals of the models listed.
07-174-202020-04-03. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT; ELECTRICAL SYSTEM. This service bulletin provides details of a correction to the diagnostic procedure for DTC B2350- REAR RADAR COMMUNICATION ERROR on the models listed.
17-17-13R2020-04-02. Service bulletin. AIR BAGS; EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides information regarding Event Data Recorder (EDR) functionality which has been incorporated into the airbag system.
12-279-20R2020-04-02. Service bulletin. STRUCTURE:BODY:DOOR; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin announces availability of new outer door handles to address isolated concerns of the chrome finish peeling.
18-198-202020-04-02. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. 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.
07-162-19R2020-03-03. Service bulletin. EQUIPMENT:ELECTRICAL. This bulletin announces availability of reprogramming files to optimize the Body Integrated Unit (BIU) operation of the automatic door lock (auto-lock / unlock) feature.
15-130-08R2020-03-03. Service bulletin. EQUIPMENT. This bulletin details an important regulation issued by the National Highway Traffic Safety Administration (NHTSA) which impacts the way some vehicles with accessories are sold. This regulation applies to any automobile retailer installing accessories on a vehicle prior to its first sale.
Subarunet Annouc2020-03-03. Service bulletin. EQUIPMENT. WUW-08 PCV; There has been an interruption in the supply of part numbers 11810AA230 and X1181AA010 from Japan.
15-234-18R2020-03-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.
11-196-202020-02-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. This Service Information Bulletin announces part number change information for the Positive Crankcase Ventilation (PCV) valves used on the models listed above.
15-256-19R2020-02-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U).
15-255-19R2020-02-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. The first TomTom map update for Gen 3.1 Harman navigation equipped vehicles was made available.
17-17-13R2020-02-05. Service bulletin. AIR BAGS; EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. This Bulletin provides information regarding Event Data Recorder (EDR) functionality which has been incorporated into the airbag system.
05-71-19R2020-02-05. Service bulletin. SUSPENSION; EQUIPMENT. This bulletin provides an inspection procedure to follow when addressing customer concerns of a rattling, knocking or klunk type sound when going over slight bumps and/or uneven road surfaces.
15-236-18R2020-01-07. Service bulletin. EQUIPMENT. Reprograming file availability for optimization of Harman Gen 3.1 Audio and Navigation Head Units.
15-251-19R2019-12-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. "This Service Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16. In most cases involving this DTC, the following scenario(s) occur: • When trying to use the remote engine starter (RES) feature through Telematics (STARLINK / My Subaru app) the request is unsuccessful and the red Telematics indicator lamp illuminates. • The customer takes their vehicle to the Retailer and the Technician finds the only code stored to be B2A16 in the DCM. • The Technician diagnoses the DTC per the applicable Service Manual trouble tree and replaced the DCM."

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