Buick Enclave 2026 — service campaign
Bulletin N252542200 · NHTSA communication 11030082 · issued Mar 16, 2026
Service campaign
communication type
Fuel/propulsion System
component
2026
model years
3
vehicle entries
Official summary
Service Update. Certain vehicles listed above may have contamination inside the high-pressure fuel pump spill valve assembly. Dealers will replace the high pressure fuel pump.
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.