2020 Subaru Outback Technical Service Bulletins

620 technical service bulletins (TSBs) are on record for the 2020 Subaru Outback. 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.

• 10177832Jul 27, 2020Electrical system. USB map data update procedure for Denso Gen 4 Navigation equipped system.
• 10177820Jul 17, 2020Electrical system. This Service information bulletin provides Telematics system/generation applicability.
• 10177826Jul 16, 2020Equipment, 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.
• 10177825Jul 16, 2020Electrical system, Forward collision avoidance. This document discusses some of the conditions that may trigger an Automatic Collision Notification (CAN) (Gen1) or Advanced Automatic Collision Notification (AACN) (Gen2), without a collision, airbag deployment, or accident taking place.
• 10177819Jul 14, 2020Electrical system. This Service Information bulletin provides IMPORTANT information regarding diagnosis and replacement (when applicable) of the STARLINK Telematics Data Communication Module (DMC).
• 10177818Jul 13, 2020Equipment, Electrical system. This bulletin contains inllustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.
• 10176027May 22, 2020Electrical system. Subaru Service and Technical Support Line Newsletter. (QMR of the Month)
• 10176026May 21, 2020Electrical system, Equipment. The following information announces reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4 Gen Denso CP1 Audio and Navigation head units utilized in the models listed.
• 10176021May 18, 2020Electrical system, Equipment. This bulletin announces availability of DMS reprogramming files to address the following DTCs: B118B, B11E5, B11E6, when they appear in memory all at the same time as a group.
• 10175989May 6, 2020Engine cooling, Electrical system. This bulletin announces the availability of reprogramming files to optimize the Engine Control Module (ECM) for hard starting in sub-freezing temperatures, DTC P0400, and surging in high altitudes.
• 10175984May 6, 2020Equipment. Vehicle repair program for customers affected by the COVID-19 quarantine.
• 10174543Apr 30, 2020Equipment. All Models (Vehicle Cleaning- COVID-19Best Practices)
• 10174537Apr 30, 2020Equipment, Electrical system. This service information bulletin provides important information regarding diagnosis and replacement (when applicable) of the STARLINK Telematics Data Communication Module (DCM). All models with STARLINK Telematics System.
• 10174536Apr 30, 2020Electrical system. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.
• 10174540Apr 24, 2020Engine cooling, Electrical system. This bulletin announces the availability of reprogramming files to optimize the Engine Control Module (ECM).
• 10174535Apr 17, 2020Electrical system. Subaru's QMR of the month winner.
• 10174513Apr 10, 2020Electrical system. This service information bulletin provides insight in response to both customer and retailer feedback resulting from the use of OBD-II port connected devises.
• 10174512Apr 8, 2020Electrical system. This bulletin is designed to address an error code 202 and/or 204 when attempting to complete the STARLINK Telematics subscription process.
• 10173200Mar 31, 2020Equipment. This service information bulletin outlines a procedure to prevent the loss of and the need to reset the customer's Driver Monitoring System (DMS) settings when servicing the vehicle.
• 10173135Mar 20, 2020Electrical system, Body and structure, Latches, locks and linkages. This Service Information Bulletin provides insight on how to address a customer concern of the rear hatch, Power Rear Gate (PRG) or trunk release operating (or finding the PRG/trunk open unexpectedly after parking) without a specific input (button press) from the operator.
• 10173128Mar 19, 2020Equipment, Electrical system. This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure.
• 10173127Mar 19, 2020Electrical system, Air bags, Equipment. This bulletin provides information regarding Event Data Recorder (EDR) functionality which has been incorporated into the airbag system.
• 10173116Mar 10, 2020Equipment, Electrical system. The following information announces reprogramming file availability and provides a software update installation procedure to optimize the Gen 4 Denso CP1 Audio and Navigation head units.
• 10173027Mar 3, 2020Engine cooling, Equipment, Electrical system. 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.
• 10171925Feb 27, 2020Engine cooling, Electrical system. This bulletin announces the availability of reprogramming files to optimize the Engine Control Module (ECM).
• 10171944Feb 21, 2020Electrical system, Equipment. This Service Information bulletin informs of an upcoming correction to the Service Manual involving Gear Position shown in Freeze-Frame Data acquired during Engine diagnosis.
• 10171939Feb 21, 2020Equipment. This bulletin details an important regulation issued by the National Highway Traffic Safety Administration (NHTSA) which impacts the way some vehicles with accessories are sold. This regulation applies to any automobile retailer installing accessories on a vehicle prior to its first sale.
• 10171933Feb 19, 2020Electrical system, Equipment. This bulletin provides helpful tips to use when diagnosing customer concerns which may arise when operating the new-generation Denso CP1 Multimedia Navigation (AVN) & Display Audio (DA) systems.
• 10171106Jan 31, 2020Equipment. This bulletin provides a procedure to address a limited number of customer concerns regarding a visible gap between the A-Pillar trim panel and the head liner.
• 10171083Jan 28, 2020Equipment, Electrical system, Forward collision avoidance. This Service Information Bulletin describes how to proceed when doing EyeSight (Version 3) system diagnosis.
• 10171089Jan 17, 2020Equipment, Air bags, Electrical system. This Bulletin provides information regarding Event Data Recorder (EDR) functionality which has been incorporated into the airbag system.
• 10169850Dec 23, 2019Electrical system. This Service Information Bulletin outlines a new required procedure to follow when performing immobilizer-related repairs on the all-new 2020 Legacy and Outback. To further enhance vehicle security, this new procedure requires connection to a secure SBR server for authentication and to access immobilizer information. An 8-digit “Authentication Key” supplied by SBR will be a required input when working with SSM4.
• 10169846Dec 20, 2019Electrical system. Subaru Service and Technical Support Line Newsletter.
• 10169825Dec 20, 2019Electrical 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.
• 10169877Dec 13, 2019Engine, Electrical system. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a Service Program to reprogram the Engine Control Module (ECM) on certain 2019-2020MY Ascent and 2020MY Legacy & Outback vehicles. In some vehicles, the current software may cause the sub learning value control to operate improperly during the wake-up mode of the ECM. This could cause repeated erroneous learning of the…
• 10169869Dec 11, 2019Electrical system. "In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a Service Program to reprogram the Engine Control Module (ECM) on certain 2019-2020MY Ascent and 2020MY Legacy & Outback vehicles. In some vehicles, the current software may cause the sub learning value control to operate improperly during the wake-up mode of the ECM. This could cause repeated erroneous learning of the…
• 10169872Dec 10, 2019Engine cooling. WUU-06 ECM Reprogramming for DTC C1424 Customer Satisfaction Service Program.
• 10169829Dec 3, 2019Electrical system. This Service Information Bulletin involves DTC U0254 “Lost Communication with Remote Control Module”. The DTC will be stored in memory when performing an all systems DTC check on vehicles equipped with the Genuine Subaru accessory Remote Engine Starter (RES) p.n. H001SAN000 or H001SAN100.
• 10169828Dec 3, 2019Engine cooling. This Service Information Bulletin provides the proper tightening / torque sequence to follow when installing Intake Duct #3 onto the intercooler assembly. Following the sequence below will insure the bolts remain fully tightened.
• 10169826Dec 2, 2019Electrical system, Equipment. Announcement of the QMR of the month winner.
• 10168637Nov 18, 2019Equipment, Electrical system. "This Service Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16. In most cases involving this DTC, the following scenario(s) occur: • When trying to use the remote engine starter (RES) feature through Telematics (STARLINK / My Subaru app) the request is unsuccessful and the red Telematics indicator lamp illuminates. • The customer takes their vehicle to the…
• 10168623Nov 11, 2019Equipment, Electrical system. This Service Information Bulletin provides insight in response to both customer and retailer feedback resulting from the use of OBD-II port connected devices. These devices are often employed by insurance companies to monitor driver activity for premium calculations (premium discounts). Commonly referred to as discount tools, driver monitors or dongles, the use of these devices can interfere with normal STARLINK…
• 10168621Nov 11, 2019Equipment, Electrical system. The all-new 2020 Outback/Legacy line has adopted a new Gen4 infotainment system to support the audio/navigation features. Also referred to as Cockpit Gen1 (CP1), it is manufactured by Denso and consists of two modules: a Cockpit Control Unit (CCU) and a dual 7” display Audio unit or a 11.6” Audio/Navigation display system also known as the Center Information Display (CID).
• 10166921Oct 21, 2019Engine cooling. This Service Information Bulletin outlines design changes made to the TR580 CVT oil pan assembly. The changes are as follows: • The CVT oil pan material has been changed from steel to aluminum. • The new aluminum pan has a new, larger diameter drain plug and drain plug gasket. • The new aluminum pan will be sold as a set consisting of: oil pan, drain plug and drain plug gasket.
• 10166918Oct 21, 2019Electrical 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.
• 10166903Oct 11, 2019Electrical system. This Service Information Bulletin provides the procedure for programming the RES fobs used with the H001SAN100 Remote Engine Starter accessory installed on (turn) Key Start -equipped vehicles. Use this procedure whenever programming (or re-programming) a fob is needed.
• 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.
• 10166882Oct 1, 2019Electrical system. This Service Information Bulletin provides the procedures for programing the RES fobs used with the H001SAN100 Remote Engine Starter accessory installed on (turn) Key Start-equipped vehicles. Use this procedure whenever programming (or re-programming) a fob is needed.
• 10165503Sep 27, 2019Brakes. Subaru of America, Inc. (Subaru) is recalling certain 2020 model year Legacy and Outback vehicles in which the brake pedal mounting bracket may have an insufficiently tightened or missing bolt. A total of 3,450 U.S. vehicles will be affected by this recall. The repair will involve an inspection of the suspect bolts in all potentially affected vehicles and replacement of the brake pedal assembly only if determined…
• 10165548Sep 26, 2019Electrical system. This Service Information Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16. In most cases involving this DTC, the following scenario(s) occur: • When trying to use the remote engine starter (RES) feature through Telematics (STARLINK / My Subaru app) the request is unsuccessful and the red Telematics indicator lamp illuminates.

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