Buick Enclave 2024–2026 — technical service bulletin
Bulletin PIT6479A · NHTSA communication 11030357 · issued Mar 27, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2024–2026
model years
8
vehicle entries
Official summary
A vehicle may have a service all wheel drive message. Tech is directed to clear code and advise customer that engineering is investigating.
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.