Chevrolet Express 2010–2014 — technical service bulletin
Bulletin 14653 · NHTSA communication 10089949 · issued Jun 15, 2015
Technical service bulletin
communication type
Fuel System, Gasoline
component
2010–2014
model years
30
vehicle entries
Official summary
14653 - special coverage. Some 2010-2014 model year chevrolet express, 2011-2014 model year chevrolet silverado hd, 2010-2014 model year gmc savana and 2011-2014 model year gmc sierra hd vehicles equipped with a 6.6l engine (rpo lml or lgh), may have a condition where the indirect fuel injector can become stuck in the closed position or can have low flow. This condition could result in the illumination of the malfunction indicator light (mil). Dealers are to replace the indirect fuel injector as necessary with an improved service part.
Vehicles covered
- 2010 Chevrolet Express
- 2011 Chevrolet Express
- 2012 Chevrolet Express
- 2013 Chevrolet Express
- 2014 Chevrolet Express
- 2010 Chevrolet Silverado 2500
- 2011 Chevrolet Silverado 2500
- 2012 Chevrolet Silverado 2500
- 2013 Chevrolet Silverado 2500
- 2014 Chevrolet Silverado 2500
- 2010 Chevrolet Silverado 3500
- 2011 Chevrolet Silverado 3500
- 2012 Chevrolet Silverado 3500
- 2013 Chevrolet Silverado 3500
- 2014 Chevrolet Silverado 3500
- 2010 GMC Savana
- 2011 GMC Savana
- 2012 GMC Savana
- 2013 GMC Savana
- 2014 GMC Savana
- 2010 GMC Sierra 2500
- 2011 GMC Sierra 2500
- 2012 GMC Sierra 2500
- 2013 GMC Sierra 2500
- 2014 GMC Sierra 2500
- 2010 GMC Sierra 3500
- 2011 GMC Sierra 3500
- 2012 GMC Sierra 3500
- 2013 GMC Sierra 3500
- 2014 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.