Subaru Legacy 2020–2021 — technical service bulletin
Bulletin 09-76-21 · NHTSA communication 10199962 · issued Jul 28, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2020–2021
model years
4
vehicle entries
Official summary
This bulletin announces the availability of NEW reprogramming files to correct a starting condition which may occur during ambient temperatures (10 degrees Fahrenheit and lower) or in high altitude conditions.
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.