Buick Encore 2016–2019 — technical service bulletin
Bulletin 18-NA-171 · NHTSA communication 10227790 · issued Dec 1, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2016–2019
model years
10
vehicle entries
Official summary
This service bulletin provides a procedure to repair the mechanical components and then reprogram the throttle body to prevent the conditions of a rough running engine, MIL Illuminated.
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.