Buick Encore 2020–2021 — technical service bulletin
Bulletin 21NA092 · NHTSA communication 10194108 · issued Apr 14, 2021
Technical service bulletin
communication type
Exterior Lighting
component
2020–2021
model years
5
vehicle entries
Official summary
This service bulletin provides repair information to correct a customer concern of Intermittent Malfunction Indicator Lamp (MIL) Illuminated - DTC P146F Set.
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.