Service bulletins for the 2018 Subaru WRX
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.
368 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| WRG-21R | 2022-06-03. Service bulletin. FUEL SYSTEM, GASOLINE. Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2019-2020 MY Ascent, 2018-2019 MY BRZ, 2018 MY Forester (Turbo), 2018-2020 MY Impreza, 2018-2020 MY Legacy, 2018-2020 MY Outback, and 2018-2019 MY WRX vehicles in which the fuel pump may become inoperative. |
|---|---|
| 16-112-18R | 2022-06-03. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This bulletin announces a design change to the CVT select lever mechanism in response to isolated customer concerns of not being able to remove the key from the ignition switch when the vehicle is in Park. |
| 18-220-22 | 2022-05-03. 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. |
| 15-192-22R | 2022-04-05. Service bulletin. ELECTRICAL SYSTEM. This bulletin has been developed to outline the steps for gathering basic essential information during diagnosis and repair of the Infotainment concerns. (Applicable to all models with Harman or Denso CP1 Infotainment). |
| 15-291-22 | 2022-03-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Going forward when a customer’s vehicle is equipped with a DCM that does not have Software version ID DCM_06.00.17_20190816 installed and they wish to subscribe to Starlink Telematics Service, the DCM must be replaced. |
| 02-189-22 | 2022-02-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:SUMP/TANK:DRAIN PLUG; EQUIPMENT. This Bulletin announces design changes to the engine oil and CVT fluid drain plugs. |
| 05-88-21 | 2022-01-04. Service bulletin. SUSPENSION. This bulletin announces a design change made to the front stabilizer bushings. |
| WRG-21R | 2022-01-04. Service bulletin. FUEL SYSTEM, GASOLINE; FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP. Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2019-2020 MY Ascent, 2018-2019 MY BRZ, 2018 MY Forester (Turbo), 2018-2020 MY Impreza, 2018-2020 MY Legacy, 2018-2020 MY Outback, and 2018-2019 MY WRX vehicles in which the fuel pump may become inoperative. |
| 16-112-18R | 2021-12-03. Service bulletin. POWER TRAIN. This bulletin announces a design change to the CVT select lever (shifter) mechanism in response to isolated customer concerns of not being able to remove the key from the ignition switch when the vehicle is in Park. |
| WRG-21 | 2021-12-03. Service bulletin. FUEL SYSTEM, GASOLINE. Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2019-2020 MY Ascent, 2018-2019 MY BRZ, 2018 MY Forester (Turbo), 2018-2020 MY Impreza, 2018-2020 MY Legacy, 2018-2020 MY Outback, and 2018-2019 MY WRX vehicles in which the fuel pump may become inoperative. |
| 16-112-18R | 2021-11-02. Service bulletin. PARKING BRAKE; POWER TRAIN. This bulletin announces a design change to the CVT select lever (shifter) mechanism in response to isolated customer concerns of not being able to remove the key from the ignition switch when the vehicle is in Park. |
| Subarunet Announ | 2021-11-02. Service bulletin. FUEL SYSTEM, GASOLINE. WRG-21 Fuel Pump Impeller Failure Safety Recall – Owner Notification. |
| 16-102-16R | 2021-11-02. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This bulletin provides a new flow chart and additional diagnostic tools to assist technicians with troubleshooting DTC P0841- SECONDARY OIL PRESSURE SENSOR PERFORMANCE. |
| Subarunet Announ | 2021-11-02. Service bulletin. PARKING BRAKE; EQUIPMENT; POWER TRAIN. (Subaru Retailers) As part of Subaru’s dedication to customer satisfaction, Subaru of America, Inc. (SOA) is announcing an extension to the Basic New Car Limited Warranty for the CVT Parking Switch for certain 2015-2018 MY Legacy, Outback, 2012-2018 MY Impreza, 2013-2018 MY Crosstrek, 2015-2018 MY WRX and 2014-2018MY Forester vehicles. |
| Subarunet Announ | 2021-11-02. Service bulletin. EQUIPMENT; POWER TRAIN; PARKING BRAKE. (Owner Letter) As part of Subaru of America’s dedication to customer satisfaction, this letter is to inform you of an extension to the Basic New Car Limited Warranty for your vehicle’s CVT Parking Brake Switch. |
| 16-103-16R | 2021-11-02. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This bulletin has been developed in response to a small number of customer concerns regarding fluid seepage found coming from the CVT assembly. |
| SubaruNet Announ | 2021-11-02. Service bulletin. FUEL SYSTEM, GASOLINE; EQUIPMENT. WRG-21 Fuel Pump Parts Scrapping. |
| 05-79-20R | 2021-10-04. Service bulletin. WHEELS. This bulletin announces a change made to the wheel lug nuts. |
| 15-195-16R | 2021-10-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides important information regarding diagnosis and replacement (when applicable) of the STARLINK Telematics Data Communication Module (DCM) along with a new claim submission requirement. |
| WRG-21R | 2021-10-04. Service bulletin. FUEL SYSTEM, GASOLINE; EQUIPMENT. Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2019-2020 MY Ascent, 2018-2019 MY BRZ, 2018 MY Forester (Turbo), 2018-2020 MY Impreza, 2018-2020 MY Legacy, 2018-2020 MY Outback, and 2018-2019 MY WRX vehicles in which the fuel pump may become inoperative. |
| 07-200-21 | 2021-10-04. Service bulletin. WHEELS; ELECTRICAL SYSTEM:HORN; STRUCTURE. This bulletin announces the design changes to the right front wheel apron. |
| 09-74-21R | 2021-09-04. Service bulletin. FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; FUEL SYSTEM, GASOLINE. 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). |
| WRG-21 | 2021-09-04. Service bulletin. FUEL SYSTEM, GASOLINE. Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2019-2020 MY Ascent, 2018-2019 MY BRZ, 2018 MY Forester (Turbo), 2018-2020 MY Impreza, 2018-2020 MY Legacy, 2018-2020 MY Outback, and 2018-2019 MY WRX vehicles in which the fuel pump may become inoperative. |
| Subarunet Announ | 2021-09-03. Service bulletin. FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY. Subaru of America, Inc. (Subaru) is initiating a new safety recall in which the fuel pump may become inoperative. |
| 12-203-16R | 2021-09-03. Service bulletin. SEAT BELTS; SEATS. This bulletin provides a procedure to address customer concerns of a squeaking sound originating from where the front seat belt buckle assembly attaches to the seat frame. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.