Chevrolet 3500 2010–2022 — technical service bulletin
Bulletin 16NA380 · NHTSA communication 10212594 · issued Jan 10, 2022
Technical service bulletin
communication type
Equipment
component
2010–2022
model years
60
vehicle entries
Official summary
This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.
Vehicles covered
- 2016 Chevrolet 3500
- 2017 Chevrolet 3500
- 2018 Chevrolet 3500
- 2019 Chevrolet 3500
- 2020 Chevrolet 3500
- 2021 Chevrolet 3500
- 2022 Chevrolet 3500
- 2017 Chevrolet 4500HD
- 2018 Chevrolet 4500HD
- 2019 Chevrolet 4500HD
- 2020 Chevrolet 4500HD
- 2021 Chevrolet 4500HD
- 2022 Chevrolet 4500HD
- 2017 Chevrolet 5500HD
- 2018 Chevrolet 5500HD
- 2019 Chevrolet 5500HD
- 2020 Chevrolet 5500HD
- 2021 Chevrolet 5500HD
- 2022 Chevrolet 5500HD
- 2011 Chevrolet Colorado
- 2012 Chevrolet Colorado
- 2014 Chevrolet Colorado
- 2015 Chevrolet Colorado
- 2016 Chevrolet Colorado
- 2017 Chevrolet Colorado
- 2018 Chevrolet Colorado
- 2019 Chevrolet Colorado
- 2020 Chevrolet Colorado
- 2021 Chevrolet Colorado
- 2022 Chevrolet Colorado
- 2011 Chevrolet Cruze
- 2012 Chevrolet Cruze
- 2013 Chevrolet Cruze
- 2014 Chevrolet Cruze
- 2015 Chevrolet Cruze
- 2016 Chevrolet Cruze
- 2017 Chevrolet Cruze
- 2018 Chevrolet Cruze
- 2019 Chevrolet Cruze
- 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
- 2018 Chevrolet Low Cab Forward 6500
- 2010 Chevrolet Silverado 1500
- 2011 Chevrolet Silverado 1500
- 2012 Chevrolet Silverado 1500
- 2013 Chevrolet Silverado 1500
- 2014 Chevrolet Silverado 1500
- 2017 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.