Buick Encore 2013–2020 — technical service bulletin
Bulletin 16NA405 · NHTSA communication 10176608 · issued May 4, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2013–2020
model years
16
vehicle entries
Official summary
This technical 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
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.