Subaru Legacy 2018 — technical service bulletin
Bulletin 07-124-17R · NHTSA communication 10179386 · issued Aug 17, 2020
Technical service bulletin
communication type
Electrical System
component
2018
model years
2
vehicle entries
Official summary
This bulletin announces reprogramming file availability to optimize the Body Integrated Unit (BIU).
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.