2018 Subaru WRX Technical Service Bulletins

348 technical service bulletins (TSBs) are on record for the 2018 Subaru WRX. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10150912Oct 12, 2018Electrical system. This bulletin announces reprogramming file availability and the software installation procedure to address a group of operational concerns received from the field and listed below involving the Clarion Display Audio unit with 6.2? display.
• 10150911Oct 12, 2018Brakes. This Service Information bulletin announces a design change made to the front brake rotors used on the models listed above. The change makes it easier to identify these parts from those used on other models.
• 10150931Oct 9, 2018Transmission and drivetrain. In the interest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the New Car Limited Powertrain Warranty coverage for the Continuously Variable Transmission (CVT) on the above listed models and model years from the original five (5) years or sixty thousand (60,000) miles (whichever comes first) to ten (10) years or one-hundred thousand (100,000) miles (whichever comes first).
• 10150886Oct 9, 2018Transmission and drivetrain. In the interest of customer satisfaction, Subaru of America, Inc. (SOA) is extending the New Car Limited Powertrain Warranty coverage for the Continuously Variable Transmission (CVT) on the above listed models and model years from the original five (5) years or sixty thousand (60,000) miles (whichever comes first) to ten (10) years or one-hundred thousand (100,000) miles (whichever comes first).
• 10150930Oct 2, 2018Equipment. 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).
• 10150885Oct 2, 2018Equipment, 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).
• 10146483Sep 21, 2018Equipment, Latches, locks and linkages. This Service Information bulletin provides details about revised CVT select lever (shifter) components. The shape of the lock plate and output of the shift lock solenoid have been changed.
• 10145079Aug 29, 2018Visibility (wipers, defrost, mirrors), Exterior lighting. This Service Information bulletin announces a change made to the lens portion of the fog light assembly. The new lens has optimized light distribution characteristics while remaining interchangeable with the original type.
• 10145078Aug 29, 2018Transmission and drivetrain. This Service Information bulletin announces a design change made to the rubber timing hole access plug to improve its retention and prevent water intrusion into the converter case.
• 10144881Aug 15, 2018Electrical 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 below involving ?Gen 2? F10 Navigation and Display Audio units with 7? display. The procedure will involve downloading the applicable software update files then loading them onto two flash drives for audio unit installation.
• 10144875Aug 9, 2018Exterior lighting. This bulletin outlines a design change made to the inner lens extension portion of the LED headlamp assembly. Under the right conditions, the shape of the lens for the actual head lamp light source can cause sunlight to be focused onto the extension portion of the lens resulting in deformation. A heatresistant shade has been added to protect the affected area.
• 10143882Jul 30, 2018Equipment. procedure to address additional operational concerns received from the field and listed below involving ?Gen 2? F10 Navigation and Display Audio units with 7? display. The procedure will involve downloading the applicable software update files then loading them onto two flash drives for audio unit installation. It is important to read through and understand this information completely before proceeding. These…
• 10143878Jul 28, 2018Visibility (wipers, defrost, mirrors). This bulletin provides a repair procedure for replacing the foam cushion installed between the top front edge of the IP and the windshield glass. Use the supplied Service Procedure to address a customer concern involving the foam cushion becoming visible above the IP near the defroster vent outlets.
• 10143876Jul 24, 2018Steering. Models with Automatic Headlight Beam Leveler System only. This Service Information bulletin announces a revision to the diagnostic procedure used when diagnosing either DTC B2910 or 2911 ?Steering Responsive Headlight Communication? LH or RH.
• 10143873Jul 23, 2018Electrical system. This bulletin announces a design change to the EPB adapter cord harness connector. In some cases, the retaining tab of the connector may become damaged as a result of removal or installation for diagnosis and later and cause DTC C1956 or C1957 to set and the brake warning lamp to illuminate. The retaining tab portion of the connector has been changed to improve its durability and prevent recurrence of the DTC.
• 10142835Jun 11, 2018Electrical system. This bulletin announces reprogramming file availability and the software installation procedure to address a group of operational concerns received from the field and listed below involving the Clarion Display Audio unit with 6.2? display. The procedure will involve downloading the applicable software update files from Subarunet then loading them onto a flash drive for audio unit installation.
• 10142831Jun 6, 2018Body and structure. This bulletin replaces TSB 12-201-16R and provides a new repair procedure to address customer concerns of the hood scoop scrubbing the finish of the hood panel in the areas shown in the photo. Due to different expansion rates between the metal hood panel and the resin material used for the hood scoop, the edges of the scoop?s rear corners may come in contact with the hood panel and abrade the finish.
• 10141499May 10, 2018Equipment. This bulletin announces a design change to the A/C Condenser receiver-dryer assembly. The change involves the addition of a rubber end cap and retaining clip onto the bottom of the receiver-dryer tank portion to prevent corrosion intrusion and enhance sealing.
• 10141496May 10, 2018Equipment, Body and structure. 4 DOOR MODELS ONLY. This bulletin announces a change made to the trunk lid lock (latch) assembly. The purpose of this change is to improve parts integration (or ?commonality?) between models. This change is not intended to address any specific customer concern.
• 10141495May 3, 2018Equipment, Body and structure. This bulletin announces a design change to the front door checkers used on the models listed. The new checker mechanism provides a more ?positive feel? of the detents or check positions as the front doors are opened and closed.
• 10141498May 1, 2018Equipment. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.
• 10133522Mar 28, 2018Visibility (wipers, defrost, mirrors). This bulletin provides a repair procedure for replacing the foam cushion installed between the top front edge of the IP and the windshield glass. Use the supplied Service Procedure to address a customer concern involving the foam cushion becoming visible above the IP near the defroster vent outlets
• 10133521Mar 28, 2018Electrical system. On Forester Turbo and applicable WRX models, after re-connecting the battery, if the ignition switch is turned back ?ON? within one minute after the first time the ignition is turned ?OFF?, it becomes possible for the CEL to illuminate storing DTC P0606 in memory. The code will not occur immediately, but may occur after a period of time depending upon how the vehicle is operated
• 10133520Mar 14, 2018Equipment. This Service Information bulletin provides a new troubleshooting chart to use when diagnosing a DTC B1760 related to the Occupant Detection System (ODS). Following these diagnostic steps will help avoid unnecessary ODS sensor / seat cushion assembly replacement
• 10133517Mar 12, 2018Electrical system. This bulletin announces availability of new VDC Control Module & Hydraulic Units (VDCCM&H/U) to address isolated customer concerns of the green Hill Holder light blinking and cancel warning alarm sounding during cranking / starting the engine
• 10133525Mar 9, 2018Equipment. 2018 Audio/Navigation Exchange Component Identification and Procedures. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.
• 10133529Mar 2, 2018Equipment. 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. The tables contained within this bulletin are to be used as guides for becoming aware of the latest changes.
• 10140485Feb 13, 2018Body and structure, Equipment. This bulletin announces a design change to the air vent grille located in the lower portion of the trunk (or cargo) area. The shutters of the vent grille are designed to open briefly and relieve cabin pressure when the doors are shut with the windows fully closed. The vent grilles have rubber ?shutters? which occasionally, may catch on the frame (case) portion and not close properly allowing outside air / odor to…
• 10140470Feb 13, 2018Equipment, Body and structure. This bulletin announces a design change to the air vent grille located in the lower portion of the trunk (or cargo) area. The shutters of the vent grille are designed to open briefly and relieve cabin pressure when the doors are shut with the windows fully closed. The vent grilles have rubber ?shutters? which occasionally, may catch on the frame (case) portion and not close properly allowing outside air / odor to…
• 10130276Jan 30, 2018Steering. 6MT MODELS ONLY. This bulletin announces availability of ECM reprogramming files to optimize the ECM with improved diagnostic logic for DTC P0852 (Park/Neutral Switch Input Circuit High) detection. If the shifter is moved too fast, the gear change may not be properly detected by the ECM causing the P0852 to set.
• 10130281Jan 24, 2018Equipment. 50TH ANNIVERSARY EDITIONS ONLY. This Service Information bulletin provides detailed part information along with installation instructions for the optional 2018MY 50th Anniversary badges designed to commemorate 50 Years of Subaru in America.
• 10130279Jan 16, 2018Equipment. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.
• 10130285Jan 15, 2018Equipment. Technical support guide for navigation and audio f10 gen2 systems.
• 10130277Jan 11, 2018Body and structure. ( 2017-2018MY Impreza - 5 Dr Only)
• 10130280Jan 5, 2018Equipment. Models with FujitsuTEN (F10) Gen 2.0 / 2.1 Navigation or Display Audio Head Units ONLY. This bulletin provides a repair procedure to address specific, confirmed customer concerns of: ? Audio output interruption every 2-3 seconds when listening to AM or FM radio broadcasts ? No audio output at all when attempting to listen to a HD Radio broadcast.
• 10130287Jan 3, 2018Equipment, Electrical system. The corrected update files are now available for download from Subarunet. TSB 15-20516R has been revised with new file names where applicable and re-posted to STIS.
• 10130278Jan 3, 2018Equipment, Electrical system. This bulletin announces new reprogramming file availability and the software installation procedure to address additional operational concerns received from the field and listed below involving ?Gen 2? F10 Navigation and Display Audio units with 7? display. The procedure will involve downloading the applicable software update files then loading them onto two flash drives for audio unit installation.
• 10138770Dec 22, 2017Equipment. Subject: Removal of Certain Fujitsu 10 Audio / Navigation Update Files from Subarunet The following update files have been temporarily removed from Subarunet due to potential quality concerns with the 2nd file used in those updates. Retailers are requested to take the following action: ? If any of the following Fujitsu 10 Audio / Navigation files have been downloaded and saved locally, please discontinue their use…
• 10138778Dec 15, 2017Air bags, Electrical system, Equipment. NOTE: The Airbag systems used on previous and current WRX, STI and Tribeca models are NOT equipped with EDR functionality. This Bulletin provides information regarding Event Data Recorder (EDR) functionality which has been incorporated into the airbag system. The function of the EDR is best explained using the following statements found in the vehicle Owner?s Manual: ?This vehicle is equipped with an event data…
• 10131632Sep 11, 2017Engine cooling. This bulletin announces part information for new Active Valve Control System (AVCS) oil control solenoid valves (OCV) which contain a redesigned internal oil seal. The new seal will eliminate potential oil seepage into the wire harness connector portion of the valve. If oil seeps into the connector, over time, the Check Engine lamp may illuminate and set various AVCS-related DTCs.
• 10117550Aug 10, 2017Equipment. Note: This is the most accurate information available at the time of printing. Various paint manufacturers designate their own stock numbers and coding information although many of the major suppliers are now using the SOA paint codes to help eliminate possible confusion. Their color formulations are updated on a continual basis. Some vendors may have different color names than those provided to them by SOA.
• 10182589Aug 12, 2016Equipment, Engine. 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.
• 10233061Dec 3, 2014Equipment. New Vehicle Receipt- Navigation SD Card Transit Storage Location Change
• 10232535Jul 17, 2014Electrical system. Replacement Key and Immobilizer Info
• 10234841May 20, 2014Equipment, Air bags, Other or unknown. Event Data Recorder (EDR) Function of Airbag Module
• 10232894Mar 7, 2014Engine cooling. Effective with all 2015 model year cars and forward, the oil change interval is changing to 6,000 miles or 6 months, whichever comes first.
• 10233119Apr 25, 2013Engine cooling. Oil Filler Cap Gasket Coming Unseated
• 10232869Feb 19, 2013Equipment, Other or unknown. Puddle Light Recall

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