Chevrolet Silverado 2014–2019 — technical service bulletin
Bulletin 18NA217 · NHTSA communication 10161939 · issued May 6, 2019
Technical service bulletin
communication type
Electrical System
component
2014–2019
model years
16
vehicle entries
Official summary
This technical bulletin provides a procedure to locate and repair a possible short in the 5294 circuit and correct the customers concern.
Vehicles covered
- 2017 Chevrolet Silverado
- 2014 Chevrolet Silverado 1500
- 2015 Chevrolet Silverado 2500
- 2016 Chevrolet Silverado 2500
- 2018 Chevrolet Silverado 2500
- 2019 Chevrolet Silverado 2500
- 2019 Chevrolet Silverado 4500
- 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
- 2019 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.