Buick Cascada 2015–2022 — technical service bulletin
Bulletin PIC6450 · NHTSA communication 10208991 · issued Feb 24, 2022
Technical service bulletin
communication type
Electrical System
component
2015–2022
model years
60
vehicle entries
Official summary
This Preliminary information communicates a process to correct the concern of Unable to contact OnStar after the 3G EOL on 2015-2022 model year vehicles in the United States.
Vehicles covered
- 2016 Buick Cascada
- 2017 Buick Cascada
- 2018 Buick Cascada
- 2019 Buick Cascada
- 2015 Buick Enclave
- 2016 Buick Enclave
- 2017 Buick Enclave
- 2018 Buick Enclave
- 2019 Buick Enclave
- 2020 Buick Enclave
- 2021 Buick Enclave
- 2022 Buick Enclave
- 2015 Buick Encore
- 2016 Buick Encore
- 2017 Buick Encore
- 2018 Buick Encore
- 2019 Buick Encore
- 2020 Buick Encore
- 2021 Buick Encore
- 2022 Buick Encore
- 2016 Buick Envision
- 2017 Buick Envision
- 2018 Buick Envision
- 2019 Buick Envision
- 2020 Buick Envision
- 2021 Buick Envision
- 2022 Buick Envision
- 2015 Buick Lacrosse
- 2016 Buick Lacrosse
- 2017 Buick Lacrosse
- 2018 Buick Lacrosse
- 2019 Buick Lacrosse
- 2015 Buick Regal
- 2016 Buick Regal
- 2017 Buick Regal
- 2018 Buick Regal
- 2019 Buick Regal
- 2020 Buick Regal
- 2015 Buick Verano
- 2016 Buick Verano
- 2017 Buick Verano
- 2015 Cadillac Ats
- 2016 Cadillac Ats
- 2017 Cadillac Ats
- 2018 Cadillac Ats
- 2019 Cadillac Ats
- 2020 Cadillac CT4
- 2021 Cadillac CT4
- 2022 Cadillac CT4
- 2020 Cadillac CT5
- 2021 Cadillac CT5
- 2022 Cadillac CT5
- 2016 Cadillac CT6
- 2017 Cadillac CT6
- 2018 Cadillac CT6
- 2019 Cadillac CT6
- 2020 Cadillac CT6
- 2015 Cadillac CTS
- 2016 Cadillac CTS
- 2017 Cadillac CTS
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.