Chevrolet Silverado 2500 2015 — technical service bulletin
Bulletin 14034 · NHTSA communication 10246841 · issued Feb 1, 2014
Technical service bulletin
communication type
Electrical System
component
2015
model years
2
vehicle entries
Official summary
Service Update for Inventory Vehicles Only Fuse Block Retention Expires February 28, 2016 - Equipped with 220 Amp Generator (KW5)
Vehicles covered
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.