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Service bulletins for the 2017 Subaru Impreza

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.

569 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
Subarunet Announ2019-12-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:IGNITION. Owner notification schedule: WUQ-02 Impreza/Crosstrek ignition coil reprogramming recall.
15-233-18R2019-12-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; EQUIPMENT. This Service Information bulletin provides a procedure to use for addressing a customer concern of a delayed or slow response when using the soft keys on the touch screen of the audio / navigation head unit.
15-220-18R2019-12-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 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.
15-231-18R2019-12-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides troubleshooting steps to use when diagnosing specific and general audio/sound related concerns. Please start by completing the Harman Investigation Guide-Questionnaire as it gathers important details which will assist you with this diagnosis and is required should the condition not be resolved by this troubleshooting. Once the questionnaire is completed, follow the question flow based on the customer concern. Answer each related question noting the results to each in detail while performing the diagnostics. Review the entire bulletin before beginning to understand the flow for the listed concerns.
15-230-18R2019-12-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides troubleshooting steps to follow when diagnosing customer concerns involving Bluetooth (BT) functionality. 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. While completing the questionnaire, follow the question flow based on the customer concern. Answer each related question noting the results to each in detail while performing the diagnostics. Review the entire bulletin before beginning in order to understand the flow for the listed concern. Please apply the information captured in the checklist to the Harman Investigation Guide Questionnaire. If the concern you have is not listed, check the Service Manual “Infotainment (Diagnostics) - Diagnostics with Phenomena” section as a starting point.
15-227-18R2019-12-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides troubleshooting steps to follow when diagnosing customer concerns of the Navigation system’s functionality. 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. While completing the questionnaire, follow the question flow based on the customer concern.
15-226-18R2019-12-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides troubleshooting steps to follow when diagnosing customer concerns regarding USB functionality. 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. While completing the questionnaire, follow the question flow based on the customer concern. Answer each related question noting the results to each in detail while performing the diagnostics. Review the entire bulletin before beginning in order to understand the flow for the listed concern.
15-229-18R2019-12-02. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. 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. While completing the questionnaire, follow the question flow based on the customer concern. Answer each related question noting the results to each in detail while performing the diagnostics. Review the entire bulletin before beginning in order to understand the flow for the listed concern. If the concern you have is not listed, check the Service Manual “Infotainment (Diagnostics) - Diagnostics with Phenomena” section as a starting point.
WUP-01R2019-12-02. Service bulletin. EQUIPMENT; ENGINE AND ENGINE 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.
15-254-192019-12-02. Service bulletin. ELECTRICAL SYSTEM. On August 23rd, 2018, the first TomTom map update for Gen 3.0 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. Retailers may also want to install this map update on any certified pre-owned or pre-owned vehicles in their inventory on their own. The site (dealer.subaru-maps.com) which is unique for retailers, is not the same as what customers will be accessing at home. If Service, Sales, and/or Parts Managers do not have a login, create an account from this page. There may be a short delay while retailer approval is pending.
WUA-86R2019-12-02. Service bulletin. ELECTRICAL 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.
15-243-19R2019-12-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 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.
15-221-18R2019-12-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. 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.
WUR-032019-12-02. Service bulletin. SERVICE BRAKES, HYDRAULIC. In the intrest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a service program to replace brake hoses that may swell due to fluid which can squeeze in between the hose's inner and outer layers. The condition presents itself as a noticeable swelling of the hose rubber near the fittings. However, the change in appearance does not affect the performance of the braking system.
WUP-01R2019-11-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV); ENGINE AND ENGINE 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.
WUS-042019-11-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV); ENGINE AND ENGINE 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.
WUP-012019-11-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV); ENGINE AND ENGINE 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.
Subarunet Announ2019-11-01. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION; ENGINE AND ENGINE COOLING. The remedy is now available for this recall. Please refer to the WUQ-02 Product campaign Bulletin on STIS.
WUQ-02R2019-11-01. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. 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.
07-161-192019-11-01. Service bulletin. AIR 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.
15-253-192019-11-01. Service bulletin. ELECTRICAL 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.
09-70-192019-11-01. Service bulletin. POWER TRAIN. 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.
15-211-17R2019-10-31. Service bulletin. ELECTRICAL 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 installation. These files do NOT include Map Update data. It is VERY IMPORTANT to read and understand this information completely to understand all changes from prior releases before proceeding.
02-131-12R2019-10-01. 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. 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 the left or right-hand camshaft cap and camshaft carrier 3. The sealing surfaces between the cylinder head and camshaft carrier 4. The sealing surface between the upper oil pan and the engine block 5. The sealing surfaces of the front timing chain cover
15-240-19R2019-10-01. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; 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 crackling-type sound is heard coming through the speakers Symptom 4: Loss of audio output after turning the head unit off and back on again in a short amount of time Symptom 5: Audio volume is temporarily louder than expected after ending a Bluetooth call while using navigation guidance Symptom 6: No response from the volume control knob.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.