Buick Encore 2020–2021 — technical service bulletin
Bulletin N232395310 · NHTSA communication 10239764 · issued Jul 27, 2023
Technical service bulletin
communication type
Fuel System, Gasoline
component
2020–2021
model years
12
vehicle entries
Official summary
Special Coverage - Certain vehicles may have a condition that could cause the evaporative emissions purge pump to fail. If this condition occurs, the Malfunction Indicator Light (Check Engine Light) will illuminate and a diagnostic trouble code will set. Dealers are to replace the evaporative emissions purge pump as necessary. The repairs will be made at no charge to the customer. The repairs will be made at no charge to the customer.
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.