Buick Encore GX 2025 — technical service bulletin
Bulletin 25-NA-025 · NHTSA communication 11014597 · issued Feb 18, 2025
Technical service bulletin
communication type
Engine
component
2025
model years
4
vehicle entries
Official summary
This bulletin provides a procedure to check the wiring harness for a possible short that may cause the code to set and not just to replace the evaporative vacuum leak pump.
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.