Buick Encore 2018–2021 — technical service bulletin
Bulletin PIP5657C · NHTSA communication 10201250 · issued Jul 20, 2021
Technical service bulletin
communication type
Equipment
component
2018–2021
model years
18
vehicle entries
Official summary
This Preliminary information communicates the possibility of a misfire occuring due to a broken center insulator on the spark plug.
Vehicles covered
- 2020 Buick Encore
- 2021 Buick Encore
- 2018 Chevrolet Cruze
- 2019 Chevrolet Cruze
- 2018 Chevrolet Equinox
- 2019 Chevrolet Equinox
- 2020 Chevrolet Equinox
- 2021 Chevrolet Equinox
- 2018 Chevrolet Malibu
- 2019 Chevrolet Malibu
- 2020 Chevrolet Malibu
- 2021 Chevrolet Malibu
- 2020 Chevrolet Trax
- 2021 Chevrolet Trax
- 2018 GMC Terrain
- 2019 GMC Terrain
- 2020 GMC Terrain
- 2021 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.