Buick Encore 2021–2022 — technical service bulletin
Bulletin PIP5862 · NHTSA communication 10217790 · issued Jul 28, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2021–2022
model years
4
vehicle entries
Official summary
This Preliminary information communicates the possibility of dtc p0442 advising dealer to be sure the evaporative emission system is leak tested as directed through service information and replace evaporation emission canister if no issues are found.
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.