Chevrolet Silverado 1500 2014–2015 — technical service bulletin
Bulletin 14284 · NHTSA communication 10057561 · issued Nov 1, 2014
Technical service bulletin
communication type
Electrical System
component
2014–2015
model years
4
vehicle entries
Official summary
General motors: chevrolet silverado 2014-2015, gmc sierra 2014-2015: see document search button for owners letter. Some model years equipped with the auxiliary switch bank have an electrical issue with ignition feed from battery feed position. *lj
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.