Buick Envista 2025–2026 — service campaign
Bulletin A252528630-03 · NHTSA communication 11028657 · issued Feb 9, 2026
Service campaign
communication type
Fuel/propulsion System
component
2025–2026
model years
4
vehicle entries
Official summary
Service Update. On certain vehicles listed above, under certain driving conditions and due to differences in flow rate characteristics, the fuel injectors may not be able to properly optimize engine fueling. Dealers will reprogram the engine control module.
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.