Subaru Legacy 2019 — technical service bulletin
Bulletin 15-318-24R · NHTSA communication 10252463 · issued Mar 19, 2024
Technical service bulletin
communication type
Equipment
component
2019
model years
2
vehicle entries
Official summary
This bulletin announces the availability of the DCM Bypass Box designed to be used as an alternative replacement part for Data Communication Module (DCM) in vehicles with no active STARLINK subscription.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.