Service bulletins for the 2018 Subaru Legacy
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.
445 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| 17-17-13R | 2019-03-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; AIR BAGS. This Bulletin provides information regarding Event Data Recorder (EDR) functionality which has been incorporated into the airbag system. |
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| 15-211-17R | 2019-03-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 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 installation. |
| WUA-86R | 2019-03-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; 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. |
| WTZ-85R | 2019-03-11. Service bulletin. VISIBILITY; EQUIPMENT:ELECTRICAL. Subaru of America, Inc. (Subaru) is recalling 2018 model year Legacy, Outback, and BRZ vehicles equipped with a certain combination of head unit hardware and software, due to the possibility of noncompliance with Federal Motor Vehicle Safety Standard (FMVSS) 111 ? ?Rear Visibility.? |
| WTW-82 | 2019-02-25. Service bulletin. ELECTRICAL SYSTEM. Subaru of America, Inc. (Subaru) is recalling all 2018 model year Legacy and Outback vehicles to reprogram the combination meter software to correct an error in the driving range indicator calculation in the multi-information display. |
| 15-211-17R | 2019-02-25. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); 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 installation. |
| 12-253-18 | 2019-02-19. Service bulletin. SEATS. This bulletin provides a procedure to help identify the source of a squeaking, creaking or popping -type sound heard coming from the driver?s seat. A change has been made to the Teflon bushings used in the seat cushion frame assembly. |
| 15-235-18 | 2019-02-19. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL 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 through the speakers. |
| WTW-82-combi met | 2019-02-19. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Current MY18 Outback & Legacy vehicles on Stop Sale can have the combination meter replaced through the normal United Radio procedures. Due to limited availability, ONLY retailer new vehicle inventory VINs are authorized for repair at this time. United Radio has been provided with a list of VINs for affected retailer new vehicle inventory to validate qualifying orders. |
| 15-220-18R | 2018-12-10. Service bulletin. EQUIPMENT:ELECTRICAL. 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. |
| 15-214-17R | 2018-12-10. Service bulletin. 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. |
| 15-211-17R | 2018-12-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE. 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 installation. |
| 16-117-18 | 2018-12-10. Service bulletin. POWER TRAIN. 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). This change is not in response to any specific condition, rather it is to provide customers with added assurance regarding the function and overall performance of their CVT. |
| 15-220-18R | 2018-12-10. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE. 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. |
| 15-211-17R | 2018-12-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING 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 installation. |
| 16-117-18 | 2018-12-10. Service bulletin. POWER TRAIN. 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). This change is not in response to any specific condition, rather it is to provide customers with added assurance regarding the function and overall performance of their CVT. |
| 15-211-17R | 2018-11-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 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 installation. It is VERY IMPORTANT to read and understand this information completely to understand all changes from prior releases before proceeding. |
| 15-220-18R | 2018-11-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:ELECTRICAL. 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. |
| 15-231-18R | 2018-11-05. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL. 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 questionflow 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. If the concern you have is not listed, check the Service Manual: Infotainment (Diagnostics) > Diagnostics with Phenomena section as a starting point. |
| 15-230-18R | 2018-11-05. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. 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. If the concern you have is not listed, check the Service Manual ?Infotainment (Diagnostics) - Diagnostics with Phenomena? section as a starting point. |
| 15-229-18R | 2018-11-05. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT ADAPTIVE/MOBILITY; 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. 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. |
| 15-228-18R | 2018-11-05. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin provides troubleshooting steps to follow when diagnosing a customer concern of the display screen being either frozen (unresponsive) or black (blank). 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. |
| 15-227-18R | 2018-11-05. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT. 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. 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 customer?s concern is not listed, check the Service Manual ?Infotainment (Diagnostics) - Diagnostics with Phenomena? section as a starting point. |
| 15-226-18R | 2018-11-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL; 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. If the concern you have is not listed, check the Service Manual ?Infotainment (Diagnostics) - Diagnostics with Phenomena? section as a starting point. |
| 15-221-18R | 2018-11-05. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.