Chevrolet Silverado 2014–2018 — technical service bulletin
Bulletin 140879001C · NHTSA communication 10139281 · issued Jan 19, 2018
Technical service bulletin
communication type
Equipment Adaptive/mobility
component
2014–2018
model years
13
vehicle entries
Official summary
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Vehicles covered
- 2017 Chevrolet Silverado
- 2014 Chevrolet Silverado 1500
- 2015 Chevrolet Silverado 2500
- 2016 Chevrolet Silverado 2500
- 2018 Chevrolet Silverado 2500
- 2017 GMC Sierra
- 2014 GMC Sierra 1500
- 2015 GMC Sierra 2500
- 2016 GMC Sierra 2500
- 2018 GMC Sierra 2500
- 2015 GMC Sierra Denali
- 2016 GMC Sierra Denali
- 2018 GMC Sierra Denali
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.