Buick Encore GX 2024–2025 — technical service bulletin
Bulletin PIE0831A · NHTSA communication 11030340 · issued Jun 5, 2025
Technical service bulletin
communication type
Engine
component
2024–2025
model years
4
vehicle entries
Official summary
This engineering information (EI) closure ends the need for gathering further information from technicians in regard to the Malfunction Indicator Lamp (MIL) illuminated on Driver Information Center (DIC), DTC P0299 Set.
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.