Chevrolet Silverado 2500 2007–2018 — technical service bulletin
Bulletin PIT4529D · NHTSA communication 10137170 · issued Mar 5, 2018
Technical service bulletin
communication type
Engine
component
2007–2018
model years
24
vehicle entries
Official summary
This preliminary information explains that there are differences between the Elevated Idle, PTO and High Idle options.
Vehicles covered
- 2007 Chevrolet Silverado 2500
- 2008 Chevrolet Silverado 2500
- 2009 Chevrolet Silverado 2500
- 2010 Chevrolet Silverado 2500
- 2011 Chevrolet Silverado 2500
- 2012 Chevrolet Silverado 2500
- 2013 Chevrolet Silverado 2500
- 2014 Chevrolet Silverado 2500
- 2015 Chevrolet Silverado 2500
- 2016 Chevrolet Silverado 2500
- 2017 Chevrolet Silverado 2500
- 2018 Chevrolet Silverado 2500
- 2007 GMC Sierra 2500
- 2008 GMC Sierra 2500
- 2009 GMC Sierra 2500
- 2010 GMC Sierra 2500
- 2011 GMC Sierra 2500
- 2012 GMC Sierra 2500
- 2013 GMC Sierra 2500
- 2014 GMC Sierra 2500
- 2015 GMC Sierra 2500
- 2016 GMC Sierra 2500
- 2017 GMC Sierra 2500
- 2018 GMC Sierra 2500
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.