Chevrolet Express 2007–2021 — technical service bulletin
Bulletin PIT5039D · NHTSA communication 10199284 · issued Jun 4, 2021
Technical service bulletin
communication type
Structure
component
2007–2021
model years
34
vehicle entries
Official summary
This Preliminary Information communication provides information to the technician about vehicles that the customer or up-fitter may have removed the rear bumper, install a different rear bumper, or add a different box/flat bed/cube box/hitch, etc. to the rear of the truck, which affects the rear park assist operation. Technician can disable the rear park assist for this concern.
Vehicles covered
- 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
- 2007 Chevrolet Silverado 1500
- 2008 Chevrolet Silverado 1500
- 2009 Chevrolet Silverado 1500
- 2010 Chevrolet Silverado 1500
- 2011 Chevrolet Silverado 1500
- 2012 Chevrolet Silverado 1500
- 2013 Chevrolet Silverado 1500
- 2014 Chevrolet Silverado 2500
- 2013 GMC Savana
- 2014 GMC Savana
- 2015 GMC Savana
- 2016 GMC Savana
- 2017 GMC Savana
- 2018 GMC Savana
- 2019 GMC Savana
- 2020 GMC Savana
- 2021 GMC Savana
- 2007 GMC Sierra 1500
- 2008 GMC Sierra 1500
- 2009 GMC Sierra 1500
- 2010 GMC Sierra 1500
- 2012 GMC Sierra 1500
- 2013 GMC Sierra 1500
- 2014 GMC Sierra 2500
- 2011 GMC Sierra 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.