Cadillac Escalade 2010–2024 — technical service bulletin
Bulletin 19-NA-237 · NHTSA communication 10235397 · issued Apr 5, 2023
Technical service bulletin
communication type
Fuel System, Diesel
component
2010–2024
model years
60
vehicle entries
Official summary
This service bulletin explains how to identify possible DEF system contamination.
Vehicles covered
- 2021 Cadillac Escalade
- 2022 Cadillac Escalade
- 2023 Cadillac Escalade
- 2021 Cadillac Escalade Esv
- 2022 Cadillac Escalade Esv
- 2023 Cadillac Escalade Esv
- 2021 Cadillac Escalade NA
- 2020 Cadillac XT4
- 2021 Cadillac XT4
- 2022 Cadillac XT4
- 2023 Cadillac XT4
- 2019 Chevrolet 6500
- 2016 Chevrolet Colorado
- 2017 Chevrolet Colorado
- 2018 Chevrolet Colorado
- 2019 Chevrolet Colorado
- 2020 Chevrolet Colorado
- 2021 Chevrolet Colorado
- 2022 Chevrolet Colorado
- 2014 Chevrolet Cruze
- 2015 Chevrolet Cruze
- 2017 Chevrolet Cruze
- 2018 Chevrolet Cruze
- 2019 Chevrolet Cruze
- 2019 Chevrolet Duplicate Silverado 5500
- 2018 Chevrolet Equinox
- 2019 Chevrolet Equinox
- 2010 Chevrolet Express
- 2011 Chevrolet Express
- 2012 Chevrolet Express
- 2013 Chevrolet Express
- 2014 Chevrolet Express
- 2015 Chevrolet Express
- 2016 Chevrolet Express
- 2017 Chevrolet Express
- 2018 Chevrolet Express
- 2019 Chevrolet Express
- 2020 Chevrolet Express
- 2021 Chevrolet Express
- 2022 Chevrolet Express
- 2010 Chevrolet Express 1500
- 2011 Chevrolet Express 1500
- 2012 Chevrolet Express 1500
- 2014 Chevrolet Express 1500
- 2010 Chevrolet Express 2500
- 2011 Chevrolet Express 2500
- 2014 Chevrolet Express 2500
- 2010 Chevrolet Express 3500
- 2012 Chevrolet Express 3500
- 2014 Chevrolet Express 3500
- 2012 Chevrolet Express 4500
- 2014 Chevrolet Express 4500
- 2016 Chevrolet Express 4500
- 2013 Chevrolet Express Cutaway
- 2010 Chevrolet Express Cutaway Van
- 2011 Chevrolet Express Cutaway Van
- 2012 Chevrolet Express Cutaway Van
- 2013 Chevrolet Express Cutaway Van
- 2014 Chevrolet Express Cutaway Van
- 2015 Chevrolet Express Cutaway Van
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.