Buick Enclave 2018–2022 — technical service bulletin
Bulletin 22-NA-107 · NHTSA communication 10217070 · issued Jul 21, 2022
Technical service bulletin
communication type
Power Train
component
2018–2022
model years
43
vehicle entries
Official summary
This service bulletin provides repair information to correct a customer concern of a Service AWD Message in DIC at Ignition On with DTC C056D Set.
Vehicles covered
- 2020 Buick Enclave
- 2021 Buick Enclave
- 2022 Buick Enclave
- 2020 Buick Envision
- 2021 Buick Envision
- 2022 Buick Envision
- 2019 Cadillac XT4
- 2020 Cadillac XT4
- 2021 Cadillac XT4
- 2022 Cadillac XT4
- 2018 Cadillac XT5
- 2019 Cadillac XT5
- 2020 Cadillac XT5
- 2021 Cadillac XT5
- 2022 Cadillac XT5
- 2020 Cadillac XT6
- 2021 Cadillac XT6
- 2022 Cadillac XT6
- 2019 Chevrolet Blazer
- 2020 Chevrolet Blazer
- 2021 Chevrolet Blazer
- 2022 Chevrolet Blazer
- 2018 Chevrolet Equinox
- 2019 Chevrolet Equinox
- 2020 Chevrolet Equinox
- 2021 Chevrolet Equinox
- 2022 Chevrolet Equinox
- 2018 Chevrolet Traverse
- 2019 Chevrolet Traverse
- 2020 Chevrolet Traverse
- 2021 Chevrolet Traverse
- 2022 Chevrolet Traverse
- 2018 GMC Acadia
- 2019 GMC Acadia
- 2020 GMC Acadia
- 2021 GMC Acadia
- 2022 GMC Acadia
- 2018 GMC Terrain
- 2019 GMC Terrain
- 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.