Subaru Forester 2019–2021 — technical service bulletin
Bulletin 10-103-21 · NHTSA communication 10203901 · issued Nov 15, 2021
Technical service bulletin
communication type
Electrical System
component
2019–2021
model years
3
vehicle entries
Official summary
This bulletin announces a design change made to the evaporator core insulation.
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.