Cadillac Escalade 2010–2023 — technical service bulletin
Bulletin 19-NA-237 · NHTSA communication 10222781 · issued Sep 12, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2010–2023
model years
60
vehicle entries
Official summary
This informational bulletin explains how to identify possible DEF contamination.
Vehicles covered
- 2022 Cadillac Escalade
- 2023 Cadillac Escalade
- 2021 Cadillac Escalade Esv
- 2022 Cadillac Escalade Esv
- 2023 Cadillac Escalade Esv
- 2021 Cadillac Escalade NA
- 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
- 2018 Chevrolet G4500
- 2010 Chevrolet G Van Bus
- 2011 Chevrolet G Van Bus
- 2011 Chevrolet Silverado 1500
- 2012 Chevrolet Silverado 1500
- 2013 Chevrolet Silverado 1500
- 2014 Chevrolet Silverado 1500
- 2015 Chevrolet Silverado 1500
- 2016 Chevrolet Silverado 1500
- 2017 Chevrolet Silverado 1500
- 2018 Chevrolet Silverado 1500
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.