Buick Encore GX 2020–2022 — technical service bulletin
Bulletin 21-NA-169 · NHTSA communication 10210286 · issued Apr 7, 2022
Technical service bulletin
communication type
Power Train
component
2020–2022
model years
32
vehicle entries
Official summary
This service bulletin provides diagnostic information/procedures to aid the service technician in diagnosing 9T45/50/60 automatic transmissions with low mileage and DTCs current or history related to the control solenoids and valves.
Vehicles covered
- 2020 Buick Encore GX
- 2021 Buick Encore GX
- 2022 Buick Encore GX
- 2020 Buick Envision
- 2021 Buick Envision
- 2022 Buick Envision
- 2020 Buick Regal
- 2020 Cadillac XT4
- 2021 Cadillac XT4
- 2022 Cadillac XT4
- 2020 Cadillac XT5
- 2021 Cadillac XT5
- 2022 Cadillac XT5
- 2020 Cadillac XT6
- 2021 Cadillac XT6
- 2022 Cadillac XT6
- 2020 Chevrolet Blazer
- 2021 Chevrolet Blazer
- 2022 Chevrolet Blazer
- 2020 Chevrolet Equinox
- 2020 Chevrolet Malibu
- 2021 Chevrolet Malibu
- 2022 Chevrolet Malibu
- 2021 Chevrolet Trailblazer
- 2022 Chevrolet Trailblazer
- 2020 GMC Acadia
- 2021 GMC Acadia
- 2022 GMC Acadia
- 2020 GMC Terrain
- 2021 GMC Terrain
- 2022 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.