Buick Encore 2022–2023 — service campaign
Bulletin N242484740 · NHTSA communication 11012848 · issued Jan 14, 2025
Service campaign
communication type
Engine
component
2022–2023
model years
20
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 Lamp (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.
Vehicles covered
- 2022 Buick Encore
- 2022 Buick Envision
- 2023 Buick Envision
- 2022 Cadillac CT4
- 2023 Cadillac CT4
- 2022 Cadillac CT5
- 2023 Cadillac CT5
- 2022 Cadillac XT4
- 2023 Cadillac XT4
- 2022 Cadillac XT5
- 2023 Cadillac XT5
- 2022 Cadillac XT6
- 2023 Cadillac XT6
- 2022 Chevrolet Blazer
- 2023 Chevrolet Blazer
- 2022 Chevrolet Silverado 1500
- 2022 Chevrolet Trax
- 2022 GMC Acadia
- 2023 GMC Acadia
- 2022 GMC Sierra 1500
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.