2019 Subaru WRX Technical Service Bulletins

371 technical service bulletins (TSBs) are on record for the 2019 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.

• 10168622Nov 11, 2019Equipment, Electrical system. This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed above.
• 10168610Nov 8, 2019Electrical system. "On December 14th, 2018, the first TomTom map update for Gen 3.1 Harman navigation equipped vehicles was made available. While the map update process is user-friendly, we ask that retailers assist customers with the map update procedure when requested as a courtesy, an opportunity to build retailer loyalty, enhance customer satisfaction and in keeping with the Love Promise.
• 10168600Nov 8, 2019Equipment, 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 above. The procedure will involve either downloading the software update files from Subarunet (or using those sent directly from Nuspire) and transferring them onto a flash drive for head…
• 10168585Nov 6, 2019Engine cooling, Electrical system. "This bulletin announces a design change made to the engine wiring harness to improve resistance to moisture. A detailed illustration describing the change is supplied below."
• 10166916Oct 18, 2019Air bags. This Service Information Bulletin announces a design change made to the side curtain and knee airbag modules on the models listed above to optimize commonization with the Japanese production parts. The change involves the mixture ratio of Argon to Helium used in the inflator gas: • OLD gas ratio: 94% Argon, 6% Helium • NEW gas ratio: 96% Argon, 4% Helium. All other specifications of these modules are unchanged.
• 10166913Oct 18, 2019Electrical system. This Service Information Bulletin provides the answer to potential inquiries regarding the STARLINK app being unable to play music files stored on a customer’s Android® phone / device through the head units (H/U) used in the applicable models listed above. This information is applicable ONLY to Android devices operating with Operating System (OS) version 10. IOS (AppleTM) devices are not affected.
• 10166902Oct 11, 2019Transmission and drivetrain. This Service Information Bulletin outlines design changes made to the coolant hoses for the CVT fluid cooler and the spring-type clamps used to secure them.
• 10166885Oct 2, 2019Electrical system. This Service Information Bulletin announces availability of a map update which includes new software to address a route searching error. A “Route Calculation Unsuccessful” message may be displayed when the selected route crosses state borders (e.g. Route 53 which crosses between Alabama and Tennessee).
• 10165497Sep 26, 2019Transmission and drivetrain. This bulletin has been developed in response to a small number of customer concerns regarding fluid seepage found coming from the CVT assembly. Investigation has identified likely sources of the seepage to be the sealant used on the CVT’s oil pump chain cover and the input shaft oil seal. The repair involves chain cover removal, a thorough cleaning and inspection of the sealing surfaces followed by re-sealing the…
• 10165512Sep 20, 2019Engine 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. There are five areas that should be closely inspected if an oil leak is reported by the customer: 1. The 6mm tapped hole casting boss area in the left-hand camshaft cap 2. The sealing surfaces between either…
• 10164447Aug 29, 2019Body and structure. This Service Information Bulletin announces a design change made to the rear bumper cover side mounting brackets. These new brackets provide increased clearance between the edges of the bumper cover and the corresponding quarter panels. This change will prevent them from contacting each other and possibly damaging their painted surfaces.
• 10164446Aug 29, 2019Transmission and drivetrain. "This bulletin has been developed in response to a small number of customer concerns regarding fluid seepage found coming from the CVT assembly. Investigation has identified likely sources of the seepage to be the sealant used on the CVT’s oil pump chain cover and the input shaft oil seal. The repair involves chain cover removal, a thorough cleaning and inspection of the sealing surfaces followed by re-sealing…
• 10164415Aug 23, 2019Electrical system, Equipment. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. The exchange program policy can also be found in Sections 8.4.9 and 11.2.10 of your Claims Policies and Procedures Manual found in Subarunet.
• 10164194Aug 21, 2019Equipment, 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 above. The procedure will involve either downloading the software update files from Subarunet (or using those sent directly from Nuspire) and transferring them onto a flash drive for head…
• 10164182Aug 5, 2019Engine cooling, Electrical system. This bulletin announces availability of a new Engine Control Module (ECM) for the models listed above designed to address DTC P2610: “ECM/PCM ENGINE OFF TIMER PERFORMANCE”. Under certain RARE conditions, an electrostatic surge may influence the ECM’s internal timer used after the engine is turned off and store a DTC P2610 in memory. Hardware in the ECM has been changed to eliminate any impact from…
• 10163563Jul 30, 2019Electrical system. This bulletin announces availability of a new Engine Control Module (ECM) for the models listed above designed to address DTC P2610: “ECM/PCM ENGINE OFF TIMER PERFORMANCE”. Under certain RARE conditions, an electrostatic surge may influence the ECM’s internal timer used after the engine is turned off and store a DTC P2610 in memory. Hardware in the ECM has been changed to eliminate any impact from…
• 10163526Jul 12, 2019Visibility (wipers, defrost, mirrors), Electrical system. "This bulletin announces availability of new power window switch assemblies developed to address the following customer concerns: • Power windows inoperative from the driver’s door master and / or passenger front door switch • Unable to remotely operate other door windows from the driver’s door master switch • One-Touch Auto Up / Down features inoperative from either / both front door switches"
• 10163525Jul 11, 2019Brakes. This Service Information bulletin announces instruction for application of additional lubrication between the brake caliper support and pad clips. This will prevent the pad from dragging due to corrosion buildup which may result in uneven or premature wear of the replacement brake pads. This additional instruction applies to all models with brake pads using the upper and lower pad clips and has been added to the…
• 10163017Jun 27, 2019Engine. 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.
• 10163008Jun 17, 2019Equipment. 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.
• 10163001Jun 10, 2019Equipment. This bulletin announces availability of new audio system amplifiers to address the following operating concerns with the Harman Kardon Gen 3 infotainment system: Symptom 1: No audio output is heard but, the volume level displayed changes when turning the knob Symptom 2: Audio volume increases to maximum intermittently without turning the knob NOTE: This condition is generally reported as occurring following a…
• 10161831May 28, 2019Body and structure, Equipment. This Service Information bulletin announces a design change made to the TGV assemblies used on the Forester Turbo models and WRXs listed above. Condensation resulting from EGR system operation may enter the area between the TGV shaft and bearing. Over time, corrosion can develop and impede movement of the TGV shaft and cause any of the DTCs P2004, 2005, 2006 and /or P2007 to set. The material of the TGV shaft has…
• 10161825May 21, 2019Equipment. This Service Information bulletin has been developed for use as a quick reference tool to aid in diagnosing operational concerns of the Gen 2 Telematics system?s remote access features on all 2019 vehicles with Gen 2 Telematics.
• 10161824May 21, 2019Equipment. Subaru Service and Technical Support Line Newletter.
• 10161822May 15, 2019Equipment. This Service Information bulletin announces a design change made to the retaining bolt used to secure the child anchors to the rear shelf plates on the models listed above. This change was made in support of parts communization with other similar mounting bolts. There is no change between the old and new bolt in terms of function or durability.
• 10161820May 10, 2019Equipment. This bulletin provides helpful information about operating conditions observed in the field for Technicians to use when diagnosing customer concerns which may arise while operating Harman Gen 3.0 and 3.1 Navigation and Display Audio systems. We will continue to add to this bulletin as more information becomes available.
• 10161818May 8, 2019Equipment. This bulletin announces availability of new audio system amplifiers to address the following operating concerns with the Harman Kardon Gen 3 infotainment system: Symptom 1: No audio output is heard but, the volume level displayed changes when turning the knob Symptom 2: Audio volume increases to maximum intermittently without turning the knob Symptom 3: A buzzing, screeching or crackling-type sound is heard coming…
• 10161813May 6, 2019Equipment. To help reduce confusion and increase technician efficiency, Subaru of America, Inc. (SOA) has developed the following cross reference list to help locate the appropriate Special Service Tool.
• 10160214Apr 23, 2019Electrical system, Engine. 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.
• 10160507Mar 25, 2019Electrical system. Immediately discontinue the use of latest 2019 MY Gen 3.1 Harman Software update.
• 10160501Mar 25, 2019Equipment, 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 above. The procedure will involve either downloading the software update files from Subarunet (or using those sent directly from Nuspire) and transferring them onto a flash drive for head…
• 10160496Mar 13, 2019Equipment. This bulletin provides troubleshooting steps to follow when diagnosing a customer concern of the display screen being either frozen (unresponsive) or black (blank).
• 10160493Mar 11, 2019Equipment. This Service Information bulletin is in response to a small number of customer concerns regarding the audio unit not being able to play certain types of audio Compact Discs (CDs). Harman Gen 3.0 head units which have previously received software updates (see claims history) and Gen 3.1 head units (used in 2019MY year vehicles) cannot play ?CD Extra? or ?Enhanced CD? -type audio CDs.
• 10160491Mar 11, 2019Electrical system, Equipment. This bulletin provides troubleshooting steps to follow when diagnosing clock-related customer concerns. Please start by completing the Harman Investigation Guide Questionnaire as it gathers important details which will help with diagnosis and will be required should the condition not be resolved by this troubleshooting.
• 10160490Mar 8, 2019Engine cooling, 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.
• 10160486Mar 4, 2019Equipment. This Service Information bulletin provides details regarding a change made to the front hub assembly retaining bolts to enhance vehicle production line efficiency.
• 10160485Mar 4, 2019Equipment. This bulletin provides a procedure to follow for addressing customer concerns of a shuddering condition or chattering -type sound heard or felt when making sharp turns. If an applicable vehicle presents with the condition as described, it is recommended to perform the transfer clutch break-in procedure as described.
• 10154419Jan 25, 2019Brakes. This Service Information bulletin announces instruction for application of additional lubrication between the brake caliper support and pad clips. This will prevent the pad from dragging due to corrosion buildup which may result in uneven or premature wear of the replacement brake pads. This additional instruction applies to all models with brake pads using the upper and lower pad clips and has been added to the…
• 10154417Jan 24, 2019Electrical system. This bulletin announces a design change made to the engine wiring harness to improve resistance to moisture. A detailed illustration describing the change is supplied below.
• 10154207Jan 10, 2019Equipment, Air bags. This Bulletin provides information regarding Event Data Recorder (EDR) functionality which has been incorporated into the airbag system.
• 10154205Jan 7, 2019Electrical 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 above. The procedure will involve either downloading the software update files from Subarunet (or using those sent directly from Nuspire) and transferring them onto a flash drive for head…
• 10153181Nov 8, 2018Electrical system, Equipment. This bulletin announces availability of new audio system amplifiers to address the following operating concerns with the Harman Kardon Gen 3 infotainment system: Symptom 1: No audio output is heard but, the volume level displayed changes when turning the knob Symptom 2: Audio volume increases to maximum intermittently without turning the knob Symptom 3: A buzzing, screeching or crackling-type sound is heard coming…
• 10150953Oct 31, 2018Electrical system. When attempting to complete the STARLINK Telematics subscription process, an Error Code 202 and/or 204 may occur preventing the process from completing successfully. These codes both relate to the multi-stage CommCheck process which introduces the Data Communications Module (DCM) to the AT&T cellular network the Telematics system operates on. The Telematics Service Provider (TSP) cannot communicate with the vehicle…
• 10150928Oct 31, 2018Electrical system. When attempting to complete the STARLINK Telematics subscription process, an Error Code 202 and / or 204 may occur preventing the process from completing successfully. These codes both relate to the multi-stage CommCheck process which introduces the Data Communications Module (DCM) to the AT&T cellular network the Telematics system operates on. The Telematics Service Provider (TSP) cannot communicate with the…
• 10150952Oct 30, 2018Equipment. This bulletin provides troubleshooting steps to use when diagnosing concerns of the Apple CarPlay and/or Android Auto feature not connecting or launching properly when a compatible device is connected to the head unit.
• 10150927Oct 30, 2018Electrical system, Equipment. This bulletin provides troubleshooting steps to use when diagnosing concerns of the Apple CarPlay and/or Android Auto feature not connecting or launching properly when a compatible device is connected to the head unit.
• 10150947Oct 22, 2018Equipment. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. The exchange program policy can also be found in Sections 8.4.9 and 11.2.10 of your Claims Policies and Procedures Manual found in Subarunet.
• 10150922Oct 22, 2018Equipment. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. The exchange program policy can also be found in Sections 8.4.9 and 11.2.10 of your Claims Policies and Procedures Manual found in Subarunet.
• 10150936Oct 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.
• 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.

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