Buick Lacrosse 2016–2023 — technical service bulletin
Bulletin 23-NA-065 · NHTSA communication 10235638 · issued Apr 12, 2023
Technical service bulletin
communication type
Equipment
component
2016–2023
model years
42
vehicle entries
Official summary
This service bulletin provides repair information to correct a customer concern of OnStar Inoperative after Importing Vehicle from Canada to the United States.
Vehicles covered
- 2018 Buick Lacrosse
- 2019 Buick Lacrosse
- 2017 Cadillac Ats
- 2018 Cadillac Ats
- 2019 Cadillac Ats
- 2017 Cadillac CTS
- 2018 Cadillac CTS
- 2019 Cadillac CTS
- 2016 Chevrolet Express
- 2017 Chevrolet Express
- 2018 Chevrolet Express
- 2019 Chevrolet Express
- 2020 Chevrolet Express
- 2021 Chevrolet Express
- 2022 Chevrolet Express
- 2023 Chevrolet Express 2500
- 2023 Chevrolet Express 3500
- 2016 Chevrolet Express 4500
- 2016 Chevrolet Express Cutaway Van
- 2017 Chevrolet Express Cutaway Van
- 2018 Chevrolet Express Cutaway Van
- 2019 Chevrolet Express Cutaway Van
- 2020 Chevrolet Express Cutaway Van
- 2021 Chevrolet Express Cutaway Van
- 2022 Chevrolet Express Cutaway Van
- 2023 Chevrolet Express Cutaway Van
- 2016 GMC Savana
- 2017 GMC Savana
- 2018 GMC Savana
- 2019 GMC Savana
- 2020 GMC Savana
- 2021 GMC Savana
- 2022 GMC Savana
- 2023 GMC Savana
- 2016 GMC Savana 1500
- 2017 GMC Savana 1500
- 2016 GMC Savana 2500
- 2017 GMC Savana 2500
- 2018 GMC Savana 2500
- 2016 GMC Savana 3500
- 2017 GMC Savana 3500
- 2018 GMC Savana 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.