Service bulletins for the 2020 Subaru WRX
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.
307 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Software are shown. Show all
| 15-236-18R | 2023-07-03. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3.1 Audio and Navigation head units utilized in the models as listed. |
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| Subaru Starlink | 2020-10-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Update your STARLINK Multimedia Software and Navigation Maps. |
| 16-130-20 | 2020-09-04. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE. This bulletin announces availability of reprogramming files to optimize the Transmission Control Module (TCM) used in the TR580 and TR690 CVT. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.