Buick Envision 2024–2025 — technical service bulletin
Bulletin 25-NA-249 · NHTSA communication 11024386 · issued Sep 3, 2025
Technical service bulletin
communication type
Engine
component
2024–2025
model years
4
vehicle entries
Official summary
This service bulletin provides the correction to the condition of the Malfunction Indicator Lamp being illuminated and/or the DTC P149E set.
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.