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
| 02-131-12R | 2021-02-01. Service bulletin. ENGINE AND ENGINE COOLING. The purpose of this bulletin is to provide procedures for the diagnosis and repair of oil seepage which may be coming from the timing chain cover, front camshaft cap, camshaft carrier, and/or upper oil pan. |
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| 15-205-16R | 2021-01-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This bulletin announces new reprogramming file availability and the software installation procedure to address additional operational concerns received from the field and listed involving “Gen 2” F10 Navigation and Display Audio units with 7” display. |
| 05-79-20 | 2021-01-05. Service bulletin. WHEELS. This Service Information Bulletin announces a change made to the wheel lug nuts. |
| 12-203-16R | 2021-01-05. Service bulletin. SEAT BELTS; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. 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. |
| 12-305-20 | 2021-01-05. Service bulletin. ENGINE AND ENGINE COOLING; STRUCTURE. This bulletin announces a design change made to the front hood air intake duct. |
| 12-306-20R | 2021-01-05. Service bulletin. SEATS; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin provides a repair procedure to address a squeaking sound coming from the backrest hinge area of the front seats. The procedure applies to both manually and power operated seat assemblies. |
| 4-26-20 | 2021-01-05. Service bulletin. STEERING:GEAR BOX (OTHER THAN RACK AND PINION); POWER TRAIN. This bulletin describes a design change to the replacement hydraulic-type steering gearbox assembly. |
| 16-103-16R | 2021-01-05. Service bulletin. 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. |
| 16-131-20 | 2020-12-05. Service bulletin. POWER TRAIN. This Service Information Bulletin provides corrected diagnostics containing a revised flow for certain CVT solenoid related DTCs. |
| 15-208-17R | 2020-12-05. Service bulletin. ELECTRICAL SYSTEM. This Service Information bulletin announces availability of an enhancement to the Gracenote database included in the vehicles listed above equipped with F10 7 Navigation and 7 Display Audio head units. When the user plays a pre-recorded CD, Gracenote recognizes the disc then shows the artist and track name information along with the album cover art on the head unit display (when available). This enhancement brings the currently installed database up to date with the most recent information available. This update does not affect any album art displayed when using SXM. |
| 05-81-20 | 2020-12-05. Service bulletin. SUSPENSION. This bulletin announces design changes made to certain rear shock absorbers used on the models listed. |
| 03-86-20 | 2020-12-05. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY:MASTER CYLINDER; EQUIPMENT; POWER TRAIN. This bulletin provides additional repair procedures to follow when replacing a leaking clutch master cylinder on certain vehicles. |
| 216316 | 2020-11-16. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE; EQUIPMENT. This Service Information bulletin provides new inspection and repair procedures for AVCS (Active Valve Control System) -related DTCs on the FA and FB engine equipped models listed above. The applicable Service Manuals will be revised with this new information in the near future. |
| 10-19-20 | 2020-11-05. 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. |
| 12-301-20 | 2020-11-05. Service bulletin. STRUCTURE:FRAME AND MEMBERS; EQUIPMENT. This bulletin outlines changes made to the rear shelf trim to address customer concerns of a rattling sound heard while driving over bumpy / rough roads. |
| 15-205-16R | 2020-11-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin announces new reprogramming file availability and the software installation procedure to address additional operational concerns received from the field and listed involving “Gen 2” F10 Navigation and Display Audio units with 7” display. |
| 06-77-20R | 2020-11-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin announces the availability of reprogramming files to optimize the control module for the Vehicle Dynamics Control system (VDCCM). DTCs C1531 and/or C1741 may set, the Hill Holder warning lamp and cancellation alarm may activate and/or the VDC warning lamp can illuminate. |
| 10-98-20R | 2020-11-05. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM. This bulletin announces availability of new A/C compressor assemblies designed to address customer concerns of reduced system performance accompanied by a rattling and/or scraping type sound. |
| 18-201-20 | 2020-11-05. Service bulletin. EQUIPMENT. The purpose of this bulletin is to provide a desription of current changes to service manuals available via the Subaru Technical Information System (STIS) web site. |
| 18-200-20 | 2020-10-05. Service bulletin. EQUIPMENT. This bulletin provides a description of current changes to Service Manuals. |
| 15-271-20 | 2020-09-04. 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. |
| 06-79-20 | 2020-09-04. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin announces availability of new master cylinder application shaft seals. |
| 06-77-20R | 2020-09-04. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES, ELECTRIC; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). This bulletin announces the availability of reprogramming files to optimize the control module for the Vehicle Dynamics Control system (VDCCM). |
| 14-22-16R | 2020-09-04. Service bulletin. EQUIPMENT. Special Service Tools Cross Reference List. |
| 15-266-20 | 2020-08-03. 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.