Service bulletins for the 2020 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.
595 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Electrical system are shown. Show all
| WRI-20R | 2021-01-05. Service bulletin. ELECTRICAL SYSTEM. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a Service Program for certain 2020-2021 model year Legacy and Outback vehicles to update the Cockpit Control Module (CCM) software to the latest version. |
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| 15-261-20R | 2021-01-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). The following information announces reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4 Denso CP1 Audio and Navigation head units utilized in the models listed. |
| Subarunet Announ | 2021-01-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Subaru of America, Inc. (Subaru) is recalling certain 2020 model year Legacy and Outback vehicles in which a firmware-over-the-air (FOTA) update to the Cockpit Control Module (CCM) software may have timed out during the update. |
| Subarunet Announ | 2021-01-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. In the interest of customer satisfaction, Subaru of America, Inc. (Subaru) is initiating a service campaign for certain 2020-2021 model year Legacy and Outback vehicles to update the Cockpit Control Module (CCM) software to the latest version. |
| Subarunet Announ | 2021-01-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Subaru of America, Inc. (Subaru) is recalling certain 2020 model year Legacy and Outback vehicles in which a firmware-over-the-air (FOTA) update to the Cockpit Control Module (CCM) software may have timed out during the update. |
| 15-259-20R | 2021-01-05. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM. 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. |
| 15-273-20 | 2020-12-05. Service bulletin. ELECTRICAL SYSTEM. This Service Information Bulletin addresses isolated customer concerns regarding the CP1 Base Model Center Information Display (CID) lower 7-inch display screen flashing, not responding to touch inputs, and / or shutting off intermittently. |
| 15-261-20R | 2020-12-05. Service bulletin. 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. |
| 15-275-20 | 2020-12-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This Service Information Bulletin provides a testing procedure for the microphone used in Denso CP1 infotainment systems. |
| 06-81-20 | 2020-11-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. This bulletin announces availability of reprogramming files to optimize the operation of the VDC Control Module (VDCCM). |
| 07-183-20 | 2020-11-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Service Information Bulletin provides corrected and updated procedures to follow when replacing the combination meter assembly. |
| 05-78-20 | 2020-11-05. Service bulletin. ELECTRICAL SYSTEM; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. This Service Information Bulletin announces additional diagnostic procedures for TPMS related DTC C2921 on the applicable models listed. |
| 16-128-20R | 2020-11-05. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This bulletin announces availability of a new transmission harness for use when diagnosis of DTC P0842 determines the sensor itself is OK but the transmission wiring harness is NG. |
| Subaru Starlink | 2020-10-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Update your STARLINK Multimedia Software for vehicles with 11.6-inch display. |
| 15-261-20R | 2020-10-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. The following information announces reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4 Denso CP1 Audio and Navigation head units. |
| 15-273-20 | 2020-10-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This service information bulletin addresses isolated customer concerns regarding the pictured CP1 BASE Model Center Information Display (CID) lower 7-inch display screen flashing, not responding to touch inputs, and/or shutting off intermittently. |
| Subarunet Announ | 2020-09-04. Service bulletin. ELECTRICAL SYSTEM. Due to the FOTA update concerns there has been an increased demand for the CCU (Cockpit Control Unit) and the 11.6 " (Mid and High) CID. This increased demand has created a temporary backorder at the exchange unit vendor for both components. |
| 15-258-19R | 2020-09-04. Service bulletin. ELECTRICAL SYSTEM. This service information bulletin involves DTC U0254 "Lost Communication with Remote Control Module". |
| Subarunet Announ | 2020-09-04. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:SOFTWARE. Concern with latest 2020 MY Legacy / Outback Gen 4 CP1 FOTA Software Update. |
| 15-270-20 | 2020-09-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides instruction for use of a new reprogramming procedure to optimize the Denso Gen 4 Audio and Navigation system utilized in the models listed. |
| 15-261-20R | 2020-09-04. Service bulletin. ELECTRICAL SYSTEM. The following information announces reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4 Denso CP1 Audio and Navigation head units utilized in the models listed. |
| 07-176-20R | 2020-09-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. 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. |
| 15-268-20 | 2020-08-03. Service bulletin. ELECTRICAL SYSTEM. USB map data update procedure for Denso Gen 4 Navigation equipped system. |
| 15-266-20 | 2020-08-03. Service bulletin. EQUIPMENT; 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. |
| 15-267-20 | 2020-08-03. Service bulletin. ELECTRICAL 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.