Chevrolet Silverado 2014–2018 — technical service bulletin
Bulletin PIT5326B · NHTSA communication 10126950 · issued Dec 6, 2017
Technical service bulletin
communication type
Electrical System
component
2014–2018
model years
10
vehicle entries
Official summary
This Preliminary Information communication provides information to the technician about the Upfitters questions about installing aftermarket electrical accessories. Dealer should reference the latest version of General Motors Upfitter Integration Bulletin 115 for this information. It can be found at http://www.gmupfitter.com.
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.