Buick Encore 2018–2022 — technical service bulletin
Bulletin 21NA255 · NHTSA communication 10205575 · issued Nov 9, 2021
Technical service bulletin
communication type
Electrical System
component
2018–2022
model years
22
vehicle entries
Official summary
This service bulletin provides repair information to correct a customer concern of an Engine Misfire, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0300 Set.
Vehicles covered
- 2021 Buick Encore
- 2022 Buick Encore
- 2018 Chevrolet Cruze
- 2019 Chevrolet Cruze
- 2018 Chevrolet Equinox
- 2019 Chevrolet Equinox
- 2020 Chevrolet Equinox
- 2021 Chevrolet Equinox
- 2022 Chevrolet Equinox
- 2018 Chevrolet Malibu
- 2019 Chevrolet Malibu
- 2020 Chevrolet Malibu
- 2021 Chevrolet Malibu
- 2022 Chevrolet Malibu
- 2020 Chevrolet Trax
- 2021 Chevrolet Trax
- 2022 Chevrolet Trax
- 2018 GMC Terrain
- 2019 GMC Terrain
- 2020 GMC Terrain
- 2021 GMC Terrain
- 2022 GMC Terrain NA
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.