Buick Encore 2013–2021 — technical service bulletin
Bulletin 16-NA-405 · NHTSA communication 10236048 · issued May 5, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2013–2021
model years
18
vehicle entries
Official summary
This service bulletin provides a procedure to install a PCV heater or a charge air cooler to correct the turbo charger system from freezing causing cold weather performance issues.
Vehicles covered
- 2013 Buick Encore
- 2014 Buick Encore
- 2015 Buick Encore
- 2016 Buick Encore
- 2017 Buick Encore
- 2018 Buick Encore
- 2019 Buick Encore
- 2020 Buick Encore
- 2021 Buick Encore
- 2013 Chevrolet Trax
- 2014 Chevrolet Trax
- 2015 Chevrolet Trax
- 2016 Chevrolet Trax
- 2017 Chevrolet Trax
- 2018 Chevrolet Trax
- 2019 Chevrolet Trax
- 2020 Chevrolet Trax
- 2021 Chevrolet Trax
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.