Buick Enclave 2017–2021 — technical service bulletin
Bulletin 21NA035 · NHTSA communication 10191215 · issued Mar 15, 2021
Technical service bulletin
communication type
Equipment Adaptive/mobility
component
2017–2021
model years
35
vehicle entries
Official summary
This service bulletin provides information for dealers/technicians on Vehicles that Will Not Hold Set Cruise Control Speed in Enhanced Cruise Control Mode.
Vehicles covered
- 2018 Buick Enclave
- 2019 Buick Enclave
- 2020 Buick Enclave
- 2021 Buick Enclave
- 2019 Buick Envision
- 2018 Cadillac Ats
- 2019 Cadillac Ats
- 2018 Cadillac CT6
- 2019 Cadillac CT6
- 2020 Cadillac CT6
- 2017 Cadillac CTS
- 2018 Cadillac CTS
- 2018 Cadillac Escalade
- 2019 Cadillac Escalade
- 2018 Cadillac Escalade Esv
- 2019 Cadillac Escalade Esv
- 2019 Cadillac XT4
- 2020 Cadillac XT4
- 2018 Cadillac XT5
- 2019 Cadillac XT5
- 2020 Cadillac XT5
- 2020 Cadillac XT6
- 2018 Cadillac XTS
- 2019 Chevrolet Blazer
- 2020 Chevrolet Blazer
- 2021 Chevrolet Blazer
- 2019 Chevrolet Malibu
- 2021 Chevrolet Malibu
- 2018 Chevrolet Traverse
- 2019 Chevrolet Traverse
- 2019 Chevrolet Volt
- 2018 GMC Acadia
- 2019 GMC Acadia
- 2020 GMC Acadia
- 2021 GMC Acadia
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.