Buick Encore GX 2024–2026 — technical service bulletin
Bulletin PIC6660 · NHTSA communication 11036399 · issued Aug 19, 2026
Technical service bulletin
communication type
Unknown / Other
component
2024–2026
model years
12
vehicle entries
Official summary
This Preliminary information communicates to the technician the repairs direction for addressing a customer concern of no airflow from dash vents when using air conditioning after an extended drive time.
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.