Buick Enclave 2017–2022 — technical service bulletin

Bulletin PIT5662F · NHTSA communication 10201321 · issued Aug 19, 2021

Technical service bulletin

communication type

Parking Brake

component

2017–2022

model years

vehicle entries

Official summary

This Preliminary information communicates information to diagnose DTC C056D or C056E.

Vehicles covered

2018 Buick Enclave
2019 Buick Enclave
2020 Buick Enclave
2021 Buick Enclave
2022 Buick Enclave
2017 Cadillac XT5
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
2019 Chevrolet Silverado 1500
2020 Chevrolet Silverado 1500
2021 Chevrolet Silverado 1500
2022 Chevrolet Silverado 1500
2020 Chevrolet Silverado 2500
2021 Chevrolet Silverado 2500
2022 Chevrolet Silverado 2500
2020 Chevrolet Silverado 3500
2021 Chevrolet Silverado 3500
2022 Chevrolet Silverado 3500
2018 Chevrolet Traverse
2019 Chevrolet Traverse
2020 Chevrolet Traverse
2021 Chevrolet Traverse
2022 Chevrolet Traverse
2017 GMC Acadia
2018 GMC Acadia
2019 GMC Acadia
2020 GMC Acadia
2021 GMC Acadia
2022 GMC Acadia
2019 GMC Sierra 1500
2020 GMC Sierra 1500
2021 GMC Sierra 1500
2022 GMC Sierra 1500
2019 GMC Sierra 2500
2020 GMC Sierra 2500
2021 GMC Sierra 2500
2022 GMC Sierra 2500
2019 GMC Sierra 3500
2020 GMC Sierra 3500
2021 GMC Sierra 3500
2022 GMC Sierra 3500

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.