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
| WRD-20R | 2020-05-04. Service bulletin. 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. |
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| 15-195-16R | 2020-05-04. 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. |
| Subarunet Announ | 2020-05-04. Service bulletin. 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. |
| 15-219-18R | 2020-05-04. Service bulletin. ELECTRICAL SYSTEM. This bulletin is designed to address an error code 202 and/or 204 when attempting to complete the STARLINK Telematics subscription process. |
| 12-286-20 | 2020-05-04. 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. |
| 07-162-19R | 2020-05-04. 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. |
| 16-128-20 | 2020-05-04. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This bulletin announces availability of a new transmission harness for use when diagnosis of DTC P0842 - TRANSMISSION FLUID PRESSURE SENSOR/ SWITCH "A" CIRCUIT LOW. |
| 15-240-19R | 2020-04-03. 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. |
| 15-262-20 | 2020-04-03. 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. |
| 07-174-20 | 2020-04-03. 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. |
| 07-173-20 | 2020-04-02. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE; ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES. This Service Information Bulletin provides insight on how to address a customer concern of the rear hatch, Power Rear Gate (PRG) or trunk release operating (or finding the PRG/trunk open unexpectedly after parking) without a specific input (button press) from the operator. |
| 17-17-13R | 2020-04-02. 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. |
| 07-155-19R | 2020-04-02. Service bulletin. STRUCTURE:BODY:TAILGATE; ELECTRICAL SYSTEM. This bulletin announces a design change made to the PRG control module. This change is in response to a limited number of customer concerns regarding the rear gate not opening when operating the gate switch or dashboard switch on the vehicle or the button on the key fob. In addition to ensuring proper PRG system operation, the new logic also optimizes the PRG communication function. |
| 07-155-19R | 2020-04-02. Service bulletin. STRUCTURE:BODY:TAILGATE; ELECTRICAL SYSTEM. This bulletin announces a design change made to the PRG control module. This change is in response to a limited number of customer concerns regarding the rear gate not opening when operating the gate switch or dashboard switch on the vehicle or the button on the key fob. In addition to ensuring proper PRG system operation, the new logic also optimizes the PRG communication function. |
| 12-279-20R | 2020-04-02. 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. |
| 18-198-20 | 2020-04-02. 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. |
| 07-169-20 | 2020-03-03. Service bulletin. ELECTRICAL SYSTEM. This Service Information bulletin describes a change made to the labels applied to the push to start switches used on the models listed. |
| 07-162-19R | 2020-03-03. 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. |
| 15-130-08R | 2020-03-03. 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 Annouc | 2020-03-03. Service bulletin. EQUIPMENT. WUW-08 PCV; There has been an interruption in the supply of part numbers 11810AA230 and X1181AA010 from Japan. |
| 15-236-18R | 2020-03-03. 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. |
| 12-281-20 | 2020-03-02. Service bulletin. STRUCTURE. This bulletin provides a repair procedure to address a small number of customer concerns of the hood panel surface vibrating while driving. This condition can result if the mastic (adhesive) used to bond the inner hood reinforcing panel to the outer panel (skin) begins to separate. |
| 15-234-18R | 2020-03-02. 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. |
| WUW-08R | 2020-03-02. Service bulletin. ENGINE AND ENGINE COOLING. Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2019 model year Ascent, Forester, and Crosstrek Hybrid vehicles in which the Positive Crankcase Ventilation (PCV) valve may be defective. |
| 11-196-20 | 2020-02-05. 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.