Subaru Ascent 2018–2020 — technical service bulletin
Bulletin 15-262-20 · NHTSA communication 10173190 · issued Mar 26, 2020
Technical service bulletin
communication type
Electrical System
component
2018–2020
model years
6
vehicle entries
Official summary
This service bulletin announces the addition of diagnostics for DTC B224C: RADIO ANTENNA FAULTS to the service manuals of the models listed.
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.