Buick Encore GX 2020–2022 — technical service bulletin
Bulletin 20NA028 · NHTSA communication 10205054 · issued Aug 27, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2020–2022
model years
5
vehicle entries
Official summary
This service bulletin is to inform dealers that in extreme cold weather, a grille winter cover needs be added during PDI to avoid the customer returning with concerns related to charge air cooler icing.
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.