Buick Encore 2014–2022 — technical service bulletin
Bulletin N222372590-02 · NHTSA communication 10231574 · issued Feb 9, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2014–2022
model years
36
vehicle entries
Official summary
Service Update. Certain vehicles may have a condition in which ice or sludge can accumulate in the Charge Air Cooler (CAC) or Closed Crankcase Ventilation (CCV) system when driving in extremely cold weather conditions (-18°C (0°F) or less).
Vehicles covered
- 2016 Buick Encore
- 2017 Buick Encore
- 2018 Buick Encore
- 2019 Buick Encore
- 2020 Buick Encore
- 2021 Buick Encore
- 2022 Buick Encore
- 2016 Chevrolet Cruze
- 2017 Chevrolet Cruze
- 2018 Chevrolet Cruze
- 2019 Chevrolet Cruze
- 2018 Chevrolet Equinox
- 2019 Chevrolet Equinox
- 2020 Chevrolet Equinox
- 2021 Chevrolet Equinox
- 2022 Chevrolet Equinox
- 2016 Chevrolet Malibu
- 2017 Chevrolet Malibu
- 2018 Chevrolet Malibu
- 2019 Chevrolet Malibu
- 2020 Chevrolet Malibu
- 2021 Chevrolet Malibu
- 2014 Chevrolet Trax
- 2015 Chevrolet Trax
- 2016 Chevrolet Trax
- 2017 Chevrolet Trax
- 2018 Chevrolet Trax
- 2019 Chevrolet Trax
- 2020 Chevrolet Trax
- 2021 Chevrolet Trax
- 2022 Chevrolet Trax
- 2018 GMC Terrain
- 2019 GMC Terrain
- 2020 GMC Terrain
- 2021 GMC Terrain
- 2022 GMC Terrain
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.