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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

Bulletins, newest first
15-271-202020-09-04. Service bulletin. ELECTRICAL SYSTEM. This service information bulletin announces discontinuation of both the "Stitcher" app and the related News Radio feature from the STARLINK app lineup effective 12 midnight on Thursday, September 24, 2020.
15-236-18R2020-09-04. Service bulletin. ELECTRICAL SYSTEM. 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.
07-155-19R2020-09-04. Service bulletin. LATCHES/LOCKS/LINKAGES; ELECTRICAL SYSTEM. This bulletin replaces TSB 07-143-18R and announces additional changes made to the PRG control module.
07-143-18R2020-09-04. Service bulletin. STRUCTURE; EQUIPMENT. IMPORTANT: This bulletin has been replaced by TSB 07-155-19R which includes all the latest service and parts ordering information.
06-78-202020-09-04. Service bulletin. SERVICE BRAKES, AIR:DISC:PADS. This bulletin announces availability of new front brake pad kit established to address concerns of a squeaking sound heard when stopping.
14-22-16R2020-09-04. Service bulletin. EQUIPMENT. Special Service Tools Cross Reference List.
15-236-18R2020-08-03. 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 listed.
15-238-19R2020-08-03. Service bulletin. ELECTRICAL SYSTEM. IMPORTANT: This Service Information Bulletin has been removed following Software Version 6 release to the field. Please refer to TSb 15-211-17R for Gen 3.0 and TSB 15-236-18R for Gen 3.1 the update on this condition.
15-266-202020-08-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Service Information Bulletin provides helpful procedures and best practices to utilize when customers present with concerns relating to the operation of their Gen 2 Telematics system equipped Subaru.
15-267-202020-08-03. Service bulletin. ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE. This document discusses some of the conditions that may trigger an Automatic Collision Notification (CAN) (Gen1) or Advanced Automatic Collision Notification (AACN) (Gen2), without a collision, airbag deployment, or accident taking place.
WRD-20(Fuel Pump2020-08-03. Service bulletin. FUEL SYSTEM, GASOLINE; EQUIPMENT. To support the WRD-20 Fuel Pump Impeller Failure Campagn, a 20- minute videl along with a supporting post test assigned to all Dealer Service Technicians as 20L001010C - WRD-20 Fuel Pump Impeller Failure.
WRD-20R2020-08-03. Service bulletin. FUEL SYSTEM, GASOLINE; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. 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.
15-264-20R2020-08-03. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. The intent of this Service Information Bulletin is to provide Technicians and staff members who interact with the Telematics system insight to help address questions regarding opeation of the WiFi Hotspot feature.
15-242-19R2020-08-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Service Information Bulletin has been developed for use as a quick reference tool aid in diagnosing operational concerns of the Gen 2 Telematics system's remote access features.
15-219-18R2020-08-03. Service bulletin. ELECTRICAL SYSTEM. This Service information bulletin provides Telematics system/generation applicability.
15-195-16R2020-08-03. Service bulletin. ELECTRICAL SYSTEM. This Service Information bulletin provides IMPORTANT information regarding diagnosis and replacement (when applicable) of the STARLINK Telematics Data Communication Module (DMC).
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.
07-177-202020-06-02. Service bulletin. ELECTRICAL SYSTEM. This bulletin announces availability of a new 120V inverter assembly. The new inverter has been developed in response to a limited number of reports describing the overcurrent protection feature triggering at less than the 100W specification.
12-292-202020-06-02. Service bulletin. SEAT BELTS. This service infromation bulletin provides an important precaution to follow whenever installing the front seat belt assembly retaining bolts located at the base of the "B" pillar.
07-155-19R2020-06-02. Service bulletin. LATCHES/LOCKS/LINKAGES; STRUCTURE:BODY:TAILGATE; ELECTRICAL SYSTEM. This bulletin announces a design change made to the PRG control module.
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)
Subarunet Announ2020-05-04. Service bulletin. FUEL SYSTEM, GASOLINE. Parts Managers/Service Managers; Sales orders were placed and are currently being shipped directly to the retailers for all known SSLP and COP vehicles which fall under WRD-20.

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