2017 Subaru Impreza Technical Service Bulletins

569 technical service bulletins (TSBs) are on record for the 2017 Subaru Impreza. 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.

• 10166956Oct 31, 2019Engine cooling. Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2017-2018 model year Impreza vehicles and certain 2018 model year Crosstrek vehicles in which the Positive Crankcase Ventilation (PCV) valve may be defective.
• 10166932Oct 30, 2019Electrical system, Engine cooling. Subaru of America, Inc. (Subaru) is recalling certain 2017-2019 model year Impreza and 2018-2019 Crosstrek vehicles due to improper Engine Control Module (ECM) programming. A total of 466,205 U.S. vehicles will be affected by this recall.
• 10166945Oct 24, 2019Engine cooling. Subaru of America, Inc. (Subaru) is initiating a safety recall for certain 2017 model year Impreza vehicles in which the Positive Crankcase Ventilation (PCV) valve may be defective. Please note: while the reason and safety risk behind this recall are the same as WUP-01, this recall differs in the work process and remedy.
• 10166943Oct 24, 2019Engine cooling. Subaru f America, Inc. (Subaru) is initiating a new safety recall for certain 2017-2018 model year Impreza vehicles and certain 2018 model year Crosstrek vehicles in which the Positive Crankcase Ventilation (PCV) valve may be defective.
• 10166939Oct 23, 2019Electrical system, Engine cooling. The remedy is now available for this recall. Please refer to the WUQ-02 Product campaign Bulletin on STIS.
• 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.
• 10166883Oct 1, 2019Electrical system. The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the Harman Gen 3 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 unit…
• 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…
• 10165501Sep 11, 2019Equipment, Electrical system. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency while addressing the following customer concerns: 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…
• 10165496Sep 3, 2019Electrical system. This bulletin provides a new reprogramming procedure (FOTA) to optimize the Harman Gen 3 Audio and Navigation head units (H/U) utilized in the models as listed above. Firmware-over-the-air (FOTA) is a process by which remote devices can receive updates to their operating software. This process has become second nature with smartphones, tablets and many other connected devices. FOTA for automotive infotainments…
• 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…
• 10164390Aug 23, 2019Equipment, Electrical system. 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.
• 10164389Aug 22, 2019Equipment, Electrical system. "This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency while addressing the following customer concerns: 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…
• 10163561Jul 29, 2019Back-over prevention (rear camera), Electrical system. "The rear view camera image may not display properly. More specifically, due to a software problem within the infotainment unit, the following may occur: • During initial boot-up, a memory error might result in a blank screen; or • If multiple processes occur at the same time, the screen might freeze. If the rear view camera image is not displayed or the image freezes, it does not provide an additional view of…
• 10163560Jul 29, 2019Equipment, Electrical system. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a service program to update the Harman head unit on certain vehicles with the latest version of software.
• 10163559Jul 26, 2019Electrical system, Equipment. The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the Harman Gen 3 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 unit…
• 10163558Jul 26, 2019Electrical system, Equipment. All 2015-2017 MY vehicles with Fujitsu TEN (F10) 7in. Multimedia Navigation (AVN) & Display Audio Units. This bulletin provides information to help diagnose and address different conditions relating to customer concerns which may arise when operating the new-generation “Gen 2” and “Gen 2.1” F10 Navigation and Display Audio systems. We will continue to add more helpful tips to this TSB as they become…
• 10163530Jul 16, 2019Brakes, Electronic stability control. This bulletin announces a new Vehicle Dynamics Control (VDC) Module and Hydraulic Control Unit (VDCCM&HCU). The new part was designed to address a small number of customer concerns regarding a clicking or ticking-type sound heard coming from the driver’s side footrest area. The new modules incorporate logic with enhanced internal solenoid and motor control characteristics.
• 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…
• 10163521Jul 9, 2019Transmission and drivetrain. This bulletin provides a procedure for addressing a limited number of concerns involving a tapping-type sound originating from the area where the engine and CVT are joined. On affected vehicles, the sound can be heard easiest after the engine is fully warmed up.
• 10163519Jul 8, 2019Electrical system. This service information bulletin provides a procedure for customizing the maintenance period settings of the MFD. When accessing the maintenance period information on the SSM4, the maintenance interval default values for mileage and number of months are different from those displayed on the MFD. This procedure describes how to synchronize the MFD and SSM4 values to insure proper customer notification.
• 10143724Jul 2, 2019Equipment, Electrical system. In efforts to increase customer satisfaction, Subaru of America, Inc. is now allowing all retailers to perform a one-time update the head unit software for Harman Gen 3 Audio and Navigation Head Units.
• 10163018Jun 27, 2019Equipment. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a service program to update the Harman Kardon head unit on certain vehicles with the latest version of software.
• 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.
• 10163016Jun 26, 2019Equipment. The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the Harman Gen 3 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 unit…
• 10161824May 21, 2019Equipment. Subaru Service and Technical Support Line Newletter.
• 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.
• 10161819May 9, 2019Transmission and drivetrain, Engine. This bulletin provides a procedure for addressing a limited number of concerns involving a tapping -type sound originating from the area where the engine and CVT are joined. On affected vehicles, the sound can be heard easiest after the engine is fully warmed up.
• 10161817May 8, 2019Equipment. IMPORTANT: This Service Bulletin has been as been replaced by TSB 15-240-19R entitled ?New Harman Audio Amplifiers?. Please refer to this new bulletin for the latest information regarding this condition.
• 10161816May 8, 2019Equipment, Electrical system. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency while addressing the following customer concerns: 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…
• 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.
• 10160213Apr 18, 2019Electrical system. This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency while addressing the following customer concerns: ? Loss of audio output after turning the head unit off and back on again in a short amount of time ? Audio volume is temporarily louder than expected after ending a Bluetooth call while using navigation guidance ? No response from…
• 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.
• 10155225Feb 22, 2019Equipment. 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.
• 10155220Feb 20, 2019Electrical system. 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. The cause is contamination of the Park-Range switch internal components.
• 10155210Feb 15, 2019Electrical system. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a service program to update the Harman Kardon head unit on certain vehicles with the latest version of software.
• 10154423Jan 29, 2019Electrical system. This Service Information bulletin announces availability of a new control valve assembly (valve body) designed to prevent false detection of DTC P0841 and / or illumination of the AT Temp light. Testing has revealed in some limited cases, air bubbles (aerated fluid) may enter certain pressure circuits within the control valve assembly causing fluid pressure control and adjustment to be calculated incorrectly…
• 10154421Jan 25, 2019Engine cooling. This Service Information bulletin announces a change to the required thread sealer used when installing the PCV valve into the engine block. The previously used material may solidify and cause damage to the engine block threads during PCV valve removal.
• 10154204Jan 22, 2019Electrical system. The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3 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 unit…
• 10154202Jan 22, 2019Electrical system, Equipment. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a service program to update the Harman Kardon head unit on certain vehicles with the latest version of software.
• 10154207Jan 10, 2019Equipment, Air bags. This Bulletin provides information regarding Event Data Recorder (EDR) functionality which has been incorporated into the airbag system.
• 10153612Dec 5, 2018Equipment, Electrical system. The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3 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 unit…
• 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…

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